The Ten Biggest Mistakes of Diamond Buyers - M. Martin and Company cheapest place to buy fake watches


Although GIA has made great strides forward with their new cut grading system (for round diamonds only), the system is nevertheless one of laboratory measurements. As a result, there is a wide variation in how beautiful a diamond appears if ranked by the gemologist at the high end of any cut grade from one ranked low in the same cut grade.  (For round diamonds, there is about a 30% price differential from the top to the bottom of the same cut grade).   No two diamonds, even with the same numbers, handle light or “perform” the same.


In addition to color and clarity, many consumers like to analyze the depth and table percentages of a diamond.  While these numbers can be used to eliminate certain stones as not being properly cut, not even an expert can tell if a diamond is well cut by looking only at the numbers.  The reason for this is that cutters can employ an angle shifting technique that results in depth and table percentages that appear to be correct on the certificate.  In other words, they can make a diamond look “paper pretty.”

Marange diamonds with their unique body tint (a characteristic NOT denoted on the GIA certificate, though detectable by a trained gemologist) add another variable to the pricing equation as these stones command lower prices in the dealer network. (M. Martin does NOT sell Marange sourced diamonds.)

Another much more serious omission from the certificate is an analysis of the diamond material.  For reasons that are too technical to go into here, diamond material can vary from stone to stone.  Some diamond material may be very “grainy,” while it is the “crystal” material that is most desired and most valuable.  Many jewelers do not know how to distinguish this phenomenon, but an experienced gemologist who knows what to look for is able to detect this using specific gemological techniques.  For more techincal information on this subject, click this link.


I find this to be the most important question consumers never ask: “Are you a GIA Graduate Gemologist?”   (This is a good question to ask before making your appointment.)  Unfortunately, there are no federal or state qualifications, training, or licensing required for someone to sell a diamond (hard to believe, but true). Even the jeweler who has been “ selling diamonds for 30 years ” may know little more than you if he has not had GIA training and certification.  Ask to see their credentials.  At M. Martin and Company our GIA credentials are displayed in our showroom.  Anyone can sell a diamond, but would you trust buying a diamond from just “anyone?”


Unfortunately, each laboratory sets its own policy on how “strict” or how “loose” they will grade diamonds.  Many dealers and stores like to use certificates from laboratories that give diamonds inflated grades (3 to 5 grades higher is not unusual) because it increases their profit margins (at the customer’s expense, of course). Here is an example: Let’s say a cutter has a diamond that would legitimately grade as color “K” and clarity – imperfect “I1”. He submits it to a laboratory that inflates grades which then issues a certificate stating the diamond is of color-“H” and clarity SI1, which is, of course, a fictitious grade.  The customer now thinks he is getting a “bargain”, but all he is purchasing is a misgraded and mislabelled diamond.  For more information and to see which labs should be avoided , see our web page entitled “Critique of the Laboratories.”  Remember, too, even graders at the best and strictest labs can make incorrect calls (they are human, after all).  At M. Martin and Co. we regrade every certified diamond to double check the accuracy of the certificate (another reason to buy only from a GIA Graduate Gemologist).


In fact, the largest variant in diamond pricing is the cutting.  Each color and clarity grade sets a range of prices, and these ranges overlap.  Cutting alone may cause as much as a 50% variation in price for a specific color and clarity grade.  Inherent shortcomings in the diamond material may cause an additional 25% variation.  Therefore, there could be as much as a 75% variation in the price of two diamonds with the same weight, color, and clarity.  Gemologists also look at many other characteristics of a diamond before making a judgment as to its overall quality.


While it is good to comparison shop in order to find the best value, the lowest price diamond of any specific color and clarit cheapest-place-to-buy-fake-watches-rid-0.html. watches mens saley grade is usually the one with the worst cut or some inherent gemological shortcomings in the diamond material.  De Beers sets the price on rough diamonds, and this often translates into a fixed price at the wholesale level.  Prices at the retail level may vary more depending on the jewelry store where the diamond is sold.   However, the diamond that is offered at the “bargain price” is usually the one of which you would want to be most wary. If you were to look at someone’s “list” of diamonds of a certain grade, you would see a wide range of prices, from low to high.  You can certainly assume the least expensive stones on the list are the weakest and worst in the category. (Unfortunately, the opposite is not true.  There is no way to tell how good the most expensive stone on the list is. It may be a mediocre stone–it is just the best they carry.)  If you are aware that each grade combination is always a RANGE of prices , you won’t fall prey to the dealer whose low price is only because his stone is THE MOST INFERIOR IN THAT PARTICULAR GRADE CLASS.


Again, this is unfortunately not true.  Statistics show that 95% of all diamonds cut are not properly proportioned.  The reason for this lies in the original shape of the rough diamond crystal.  The further a diamond cutter strays from the ideal proportioning of the diamond, the more weight he is able to retain on the stone.  For example, a cutter may have a rough diamond crystal which, if cut to ideal proportions, would produce a diamond weighing .85 carats.  He could instead cut this same rough diamond crystal with a high crown and a deep pavilion, making it now weigh one carat.  Not only would the one carat diamond still have the diameter of a .85 carat diamond, but it would also show reduced brilliance because all of the angles of the facets would be incorrect.  But the cutter, and subsequently the jeweler, can now make the consumer believe that he is getting a better bargain by offering a one carat off-make diamond for the same price as a .85 carat well-proportioned diamond.


Larger, better quality diamonds should only be purchased with a certificate from a major, respected laboratory.  But what about smaller or lesser quality diamonds such as you might find in diamond stud earrings, tennis bracelets, or pendants?  In this case you would want to know that the store is grading the diamonds correctly to GIA standards.  Unfortunately, when there are no certificates on diamonds, there is a tendency for many stores to inflate the grades of the diamonds they are selling.  Check the seller’s credentials, and know the reputation of the store before making a purchase.


Cutting, more than any other factor, determines the beauty and brilliance of a diamond.  A “D” color diamond, though high on the color scale, may lack beauty and brilliance due to poor cutting.  A flawless diamond may also lack beauty and brilliance due to poor cutting.  In order to find a diamond that is both beautiful and brilliant, it is necessary to first search for a diamond that is well proportioned, and then to balance out the color, clarity, and size with budgetary considerations. 

10.  ASSUMING A DIAMOND CAN BE BOUGHT CHEAPER… …when the jewelry show comes to town …when the diamond goes on sale …when traveling to another country…..or when on a cruise …from a company selling diamonds on the internet

None of the above are true.

Although jewelry shows tend to portray a “bazaar” type atmosphere, seldom, if ever, will the consumer find a real bargain.  Due to their extremely high travel and insurance expenses, the dealers at these events often have a greater overhead than local jewelers.  In addition, in an attempt to compete with each other on price, high quality merchandise is rarely sold at these shows.

Jewelry, with the exception of watches, has no list price.  Stores frequently mark jewelry up to unrealistically high prices and then give large, though fictitious, discounts.   This is why some stores are able to continually run 50% and 70% off “sales.” 

Diamonds are traded in the major overseas exchanges in U.S. dollars.  Since De Beers sets the world price on rough diamonds, diamonds will not be less expensive in other countries.  Gold also has a set world price, and other gemstones have worldwide markets.  Therefore, in general, jewelry will not cost less in foreign countries.  There is nothing wrong with spending a small amount of money on a piece of jewelry that will serve as a remembrance of a trip, or on something unusual that may be indigenous to a specific area of the world.  However, it is not a good idea to spend thousands of dollars anticipating a “deal.”  It is important to shop only in recommended stores, and to expect that the jewelry is being sold at its full retail price.  Due to the fact that the U.S. market is so competitive, the United States is probably the best place to buy jewelry. 

You do not have to look very far to find companies selling diamonds on the internet. While your first reaction is that these companies might be able to sell you a diamond for less money than a jewelry store, the reality is that this rarely happens. Every business has operating expenses (rent, salaries, insurance, etc.) which affect the prices at which they will sell their products. Internet companies not only have these same expenses, they also have the additional expenses associated with designing and maintaining an ever-changing web site. Since each web site tries to compete with each other solely on price, do not expect the finest stones to be offered. Internet companies do not even stock diamonds—they compile readily available diamond databases from other companies and post these offerings on their site. The diamond may even be shipped to you straight from the vendor (the vendor is supplied with return address labels to make it look as if the stone was sent to you by the internet company). In other words, they neither own nor may have ever seen the diamonds that they are offering to you.   Many jewelers are now using the same databases with thousands of the same diamonds that internet companies use.  They do not stock diamonds, but just order them from their computer.  As with any internet company, they neither own nor may have ever seen the diamonds they are offering to you.


Be sure to read my “Diamond Buying Guide.”   It explains why only a small percentage of all diamonds we inspect qualify for our Best of Class® designation.  ___________________________________

Internet Diamond Scams and How to Avoid Them

Steven Martin has had experience as an expert witness and has worked as a consultant on a number of jewelry fraud and criminal cases. Sources for the information below include our industry publications, legal and law enforcement sources, and our own industry experience.  Some of the scams are outright illegal, some are just unethical, and some are designed to just stay within the law.

Counterfeit certificates.   GIA certificates are not that difficult to counterfeit.  Specifications for the stone are taken from actual certificates so that a report check from GIA does not reveal the bogus certificate.

Switching stones and using a genuine GIA certificate .  A stone of the exact weight and near measurements but of a lower grade is substituted for the actual diamond.  In some cases, a new laser engraved number is put onto the diamond with easily obtainable laser engraving machines.

Creating a special item for the “photo shoot” for the web site.   If we use a ring as an example, companies will create a special ring for the photo for their web site with larger diamonds and a heavier mounting than the customer will receive.  To skirt the law, they will give the correct diamond weight in the written description.  The ring that is received barely looks like the picture.  We have even seen this with large, reputable web site companies because the photo is supplied to them by the vendor. (They may not know until they receive a lot of complaints).

The same trick can even be done with a simple wedding band.   The company will shoot a picture of a quality band with thick, substantial walls.  The customer receives a ring with paper thin walls or with hollowed out walls.

Inflating grades of diamonds that don’t have certificates . Self-explanatory.   (Let’s be fair here. Some stores do this also).

Selling diamonds from laboratories that purposely inflate diamond grades. (Again, some store sell these also.)  If you don’t know which laboratories purposely  inflate grades see my section entitled “Laboratory Critique.”

Sending you a certificate from a “contract laboratory.”   Be wary of certificates from unknown laboratories.  Some of these labs are actually owned by the selling company and, of course, diamond grades are inflated.  In other cases, the seller and the lab may be independent but there is a “handshake” agreement that grades will be inflated in return for a certain amount of their business.

Labelling a diamond with a broad, generic grade. For example, a company may describe a diamond as an “SI clarity grade.”  But is it SI1, SI2, or SI3? (Hint: Bet on SI3).

Digitally altering certificates that are posted on the internet.  A company may take a legitimate certificate and make a slight alteration to it. One example might be to remove some of the imperfections in the plot of the stone.  When it is received by the customer, the difference is rarely noticed.  As a legal variation on this scheme, some labs plot the imperfections with super-fine pens and make the plot so light that the lines cannot be seen by someone with normal vision without using a magnifier (these imperfections are so light, they will not be picked up by any scanner or duplicating machine).

Selling clarity enhanced diamonds with a “clarity enhanced” grade from a laboratory working for the selling company.   A clarity enhanced diamond is typically a diamond with an opening or crack in the surface into which a filler material is placed.  Because the filler has nearly the same refractive index as diamond, the filler makes the crack virtually impossible to detect. They are legal to sell as long as the jeweler or internet company discloses the enhancement and explains it properly to the customer.  Before the stone is filled it may be, for example an imperfect I2 diamond, being graded that way because of the visible cracks.  However, after the cracks are filled and hidden, the stone may have the appearance of a very clean diamond, say VS2.  A cooperating laboratory then issues a VS2 certificate for this stone (small print on the certificate may explain this is just an equivalent grade after the filling was put in, but few people would pick up on this).

Bait and Switch. This one never goes away.  Internet companies list stones at low ball prices, often below their cost.  When you contact them, the stones are of course either “sold” or “unavailable.”  Once they have you hooked or “baited”, they try to “switch” you to another diamond.  This trick is very common. Watch out for this one!

Selling damaged stones.   A stone gets damaged either by a customer or by a jeweler during setting.  Insurance is collected.  The stone is then recut.  However, the stone is not resubmitted to GIA to show the new dimensions or extra faceting.  It is put back onto the internet with the old certificate.  Even reputable internet companies usually do not catch these.

“The Expert”. This one is not illegal, but you should certainly be aware of it.  You see an informational web site written by someone promoting himself as a diamond expert.  He appears to be objective, and then recommends one or more companies to buy diamonds from.  It turns out the “expert” is not a jeweler, but instead works for an advertising agency. The companies he recommends are of course the ones who pay for ads on his web site.  That is why when company “ABC” is recommended, an ad suddenly pops up for this company. (By the way, this technique is not limited to just jewelry companies–companies with all products do this).  Many people, if they realized this, would find this to be deceptive.  However, the reason it is not illegal is that the advertising company will have a complete disclaimer buried somewhere in their web site stating that they are indeed being paid by the companies they are recommending, keeping them in full compliance with FTC disclosure rules. Legal? Yes. Ethical??

We will publish more as we encounter them…      

I invite you to click this link to read my complete Diamond Buying Guide so that you don’t make any of the above mistakes.

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breitling chronomat b01 limited edition Greenhills Shopping Center, San Juan: Address, Phone Number, Attraction Reviews Asia     Philippines     Luzon     Metro Manila     San Juan     Things to Do in San Juan     Greenhills Shopping Center Greenhills Shopping Center 364 Reviews #1 of 12 things to do in San Juan Shopping Malls, Shopping Ortigas Avenue , San Juan , Luzon, Philippines 63-2-721-0572 Website Save All photos (116) Full view Certificate of Excellence What is Certificate of Excellence? TripAdvisor gives a Certificate of Excellence to accommodations, attractions and restaurants that consistently earn great reviews from travelers. Book In Advance More Info $88.60 * and up Half-Day Manila Shopping Tour Why book on Viator? Tour highlights & full itinerary Easy online booking Lowest price guaranteed More Information › Overview Tours & Tickets Reviews Location Q&A More Also show Hotels Restaurants Things to Do Also show Map Satellite Map updates are paused. Zoom in to see updated info. Reset zoom Updating Map... Return to Map Overview More The perfect place for bargain shopping. You can shop for shoes, clothes, toys, and even car accessories and electronics! About Greenhills Shopping Center

The perfect place for bargain shopping. You can shop for shoes, clothes, toys, and even car accessories and electronics! 4.0 364 reviews Excellent 37% Very good 46% Average 10% Poor 2% Terrible 2% Travelers talk about “knock offs” (24 reviews) “flea market” (14 reviews) “asking price” (7 reviews) Suggested Duration: 2-3 hours LOCATION Ortigas Avenue , San Juan , Luzon, Philippines CONTACT Website 63-2-721-0572 Improve This Listing Is this attraction exciting, unusual, or risky to visit ? Yes No Unsure Is this attraction a "must-see" location? Yes No Unsure Is this attraction a hidden gem or off-the-beaten path? Yes No Unsure Is this attraction in a remote location ? Yes No Unsure Is this attraction a good picnic spot ? Yes No Unsure Is this attraction a good place to visit on a honeymoon ? Yes No Unsure Is this attraction a romantic spot to visit? Yes No Unsure Is a certain dress code required at this attraction? Yes No Unsure Does this attraction have good sunrise views ? Yes No Unsure Does this attraction have good scenic or skyline views ? Yes No Unsure Thanks for helping! Share another experience before you go. Similar Things to Do in San Juan See all Shopping in San Juan Fundacion Sanso 4 Reviews 0.9 miles Write a Review Reviews (364) 1 - 10 of 364 reviews

Axel A Saint-Genest-Lerpt, France 5 1 Reviewed 1 week ago Bad imitations be careful Nice place if you want fakes and bad quality products. The watches are not qualitative and some of them don't even exist. The staff is horrible because they always say "Hello Sir, you buy blablabla" and they don't know what they sell. I bought a... More

Thank Axel A TarynJana Wyndham, Australia 235 90 Reviewed 4 weeks ago Cheap shopping Probably my favourite place to shop in Manilla for cheap items. The location is set up similar to a market but is all indoors. Stall after stall of handbags, clothing and other items, it goes on and on and on. You batter for a good... More

Thank TarynJana MsGailCabrera Doha, Qatar 59 35 Reviewed May 8, 2017 Great shopping The place is huge and so many things to shop for. The prices are very cheap but you just need to find good quality as well. The aisles are a bit small, it can be over crowded most of the time.

1   Thank MsGailCabrera 'Alvin R 7 1 Reviewed May 3, 2017 Shop till you drop, eat like a swine Great value for money, everything you need is here. Haggling is an experience you must learn Lots of restaurants and fastfood chains to choose from.

Thank 'Alvin R Serena L 37 9 Reviewed April 30, 2017 via mobile Fun and shopping Green hills is an experience you have to live if you go to Manila. It is huge and it has everything so get ready to walk around looking for the best bargains. I disagree with many negative opinions I have read , I bought some... More

Thank Serena L shazad24081974 Cheshire, United Kingdom 75 49 Reviewed April 23, 2017 via mobile Nothing exciting to see. Lots of fake products. If you love Grade B imitation designer products, you will be in heaven here. Gets a bit annoying when local staff keep saying good morning in an annoying American accent 6pm!!

Thank shazad24081974 RichieFSC Hong Kong, China 130 27 Reviewed April 20, 2017 They Have It All Too I rarely go to other shopping malls nowadays due to Manila's heavy traffic most of the day. Greenhills Shopping Center has most of what I need already, whether for shopping, groceries, haircut, movies, coffee, meals, etc. They seem to have it all, so why bother... More

Thank RichieFSC hungry12 Beijing, China 61 27 Reviewed April 17, 2017 Beggars Greenhills Shopping Center has degraded itself by allowing beggars to swarm like flies. It also is unkempt with cockroaches plying their restaurants. Be careful when eating at their outlets. Buy bottled water as their service water will give you a dose of diarrhea.

Thank hungry12 Emaniuz Metro Manila, Philippines 56 14 Reviewed April 15, 2017 via mobile Shops for gift Good mall to buy something as a gift for a friend or for yourself. Here, the prices are low and the items aren't that inferior.

Thank Emaniuz Tassie D 12 1 Reviewed April 3, 2017 via mobile Shopping paradise If you really enjoy shopping, bargaining and finding the most awesome items, clothes and shoes I recommend you going here. At first you don't expect much, because it looks like a regular expensive shopping mall, but once you enter the inside of Greenhills you'll be... More

Thank Tassie D Previous Next 1 2 3 4 5 6 7 8 … 37 Updating list... Nearby Nearby Restaurants Carousel Creamery 31 reviews .18 miles away Gloria Maris Restaurant 68 reviews .17 miles away Hai Chix & Steaks Greenhills 9 reviews .19 miles away Peri-Peri Charcoal Chicken 21 reviews .03 miles away Nearby Attractions Foot Zone 6 reviews .41 miles away The Archery Academy 6 reviews .29 miles away Tiendesitas 50 reviews .92 miles away Questions & Answers Ask a question

Where is the cheapest place to buy a Rolex watch? Follow 14 answers 14 Report Abuse Are you sure you want to delete this answer? Yes No Sorry, something has gone wrong. Trending Now WWE Raw Memphis Depay Sienna Miller Blake Griffin Chevrolet Colorado Airline Tickets Dale Earnhardt Jr Tim Tebow Serena Williams Verizon FiOS Answers Relevance Rating Newest Oldest Best Answer:   Pawn shops

Do not buy a fake anyone can tell with a trained eye the difference. Fakes often tick while a real Rolex has a sweep to the second hand no ticks. Also fakes will discolor and chip in a month or two. You are fooling no one. Source(s): Owner of two Rolex watches Mid-size presidential and two-tone stainless Lily · 9 years ago 0 Thumbs up 0 Thumbs down Report Abuse Comment Add a comment

Submit · just now Asker's rating A genuine new Rolex is hard to find at bargain prices. I don't know where you live, but in San Francisco, Ben Bridge Jewelers has good prices on them. I see someone said Rolexes aren't good watches and keep time badly. They are over-rated, but they are good enough, if not the best brand. Their sports watches are certified chronometers, so they should keep time well enough. I've seen better watches, but most cost even more than Rolexes. I belong to some Yahoo Groups about watches. One has much information about them that I've never seen anywhere else. Another has links to some sources that advertise watches at good prices. If you like, I can give more details about them. One source has Rolexes. Venus 1485AD · 9 years ago 0 Thumbs up 0 Thumbs down Report Abuse Comment Add a comment

Submit · just now Get the best deal on a used Rolex watch at The Rolex Exchange. We have a wide and constantly changing selection of pre-owned Rolex watches like the huge Submariner collection for sale to fit any lifestyle or budget. And while we do not guarantee the absolute lowest price on a particular watch, our Rolex watch prices almost always are. So if you are looking for a reputable dealer of authentic used Rolex watches, we invite you to browse through our selection and compare our prices. Anonymous · 3 years ago 0 Thumbs up 0 Thumbs down Report Abuse Comment Add a comment

Submit · just now I think is the cheapest place to buy a Roles watch.
I ever bought my Roles watch with my friend together, because the more item you order, the more discount you will get. If you order 5 items, you can pay wholesale price (Can mix any items). by the way, all the products are free shipping now, it is a good new for as, i will shopping here again with my friends. Anonymous · 3 years ago 0 Thumbs up 0 Thumbs down Report Abuse Comment Add a comment

Submit · just now Singapore - you can get real ones here. How much? not sure but the tourists seem to buy them here for some reason so they must be cheaper than elsewhere.

In fact, many places in Asia seem to have things like that cheaper than the west. Try Hong Kong. If you know anyone who travels over this way regularly, get them to price some up for you. BigSis · 9 years ago 0 Thumbs up 0 Thumbs down Report Abuse Comment Add a comment

Submit · just now New York City. From the guys selling stuff on the streets. They r fake. ($35.00) But they still say "Rolex" PhoneCrAzY · 9 years ago 0 Thumbs up 1 Thumbs down Report Abuse Comment Add a comment

Submit · just now Canal Street, NYC antonietta · 1 year ago 0 Thumbs up 0 Thumbs down Report Abuse Comment Add a comment

Submit · just now Don't buy a rolex! They are cheaply made and keep horrible time! Source(s): I know from several experiences BunnyBunBun · 9 years ago 0 Thumbs up 2 Thumbs down Report Abuse Comment Add a comment

Submit · just now pawn shops or ebay
if you aren't looking for a used one then you're pretty much going to pay the same price at almost every jeweler Just.l.o.v.e.Me · 9 years ago 0 Thumbs up 0 Thumbs down Report Abuse Comment Add a comment

Submit · just now There's a guy on Canal St. in NYC who has them dangling from the inside of his trench coat. He's asking $25 each. Dart Swinger · 9 years ago 0 Thumbs up 2 Thumbs down Report Abuse Comment Add a comment

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