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While a diamond can be the ultimate symbol of love, it also represents an investment in time, energy and money. You need to feel confident in the integrity of your stone. Not more than ten years ago, the majority of fine gemstone customers relied on two sources to determine the quality of their gems — an appraiser and the jeweler who sold the stone. Often, that person was one and the same. However, with the proliferation of affordable technologies and an ever-present and increasingly sophisticated counterfeit market, many jewelry consumers are now relying on a more precise document that evaluates the true value of gems — the diamond certificate.
What is Diamond Certification?
A diamond certificate is a printed report based on a gemological analysis of a specific stone. It is prepared in an independent laboratory by certified gemologists.
What Will a Diamond Certificate Tell You?
The certificate will state your diamond’s 4 Cs: color, clarity, cut, carat weight. It will describe the diamond’s shape, measurements, table and depth percentages, and grade the polish and symmetry. It should also comment on characteristics like fluorescence, graining, and imperfections. Often, the certificate will estimate the replacement value of the stone for insurance purposes. Finally, the certificate should include a detailed sketch of the diamond.
Why Buy a Certified Diamond?
A certificate assures a diamond buyer of the quality and authenticity of their stone. As most consumers are not experts, a certificate allows an objective comparison. In addition, should you resell your gem, the certificate will provide the stamp of authenticity you’ll need to get a fair price. It is also often required if you are going to insure the jewel. The certification process should take no longer than two working weeks, and the price per gem varies according to weight. Most labs charge roughly $75 per carat.
Market changes have increased the demand for reliable grading or appraisal reports from highly credible organizations. Since the technology is available and relatively affordable, the majority of good quality gems are sold with gemological reports. “The certificate really helps with resale and insurance questions,” said our Whiteflash representative. “It allows the customer to buy and sell with more confidence. The same goes for us.”
American Gemological Society (AGS)
AGS laboratories serve an international clientele of retail jewelers, wholesale suppliers, diamond cutters, and manufacturers. AGS’ Diamond Quality Document, or DQD, provides a cut grade for round, brilliant cut diamonds in addition to information on all 4 C’s of diamond grading. Ratings are given on a scale of 0 to 10.
Diamond High Council (Hoge Raad Voor Diamant; HRD)
The non-profit Diamond High Council is the officially recognized representative of the Belgian diamond trade. The HRD Certificates Laboratory has grown into one of the largest diamond certification labs in the world.
HRD’s Diamond Certificate verifies the authenticity of the diamond. Their report includes a complete quality description of the diamond including shape, weight, clarity, grade, fluorescence, color grade, measurements, proportions and finish grade, possibly supplemented with comments.
European Gemological Laboratory (EGL)
EGL has defined criteria and standard procedures for accuracy and consistency in its Diamond Certificate and Diamond Consultation. EGL Certificates are recognized worldwide. Their main clients are diamond wholesalers, dealers, manufacturers, and craftsmen. EGL does not sell diamonds or gems and is totally independent of any diamond sales group.
EGL’s Diamond Certificate records all of the relevant information pertaining to the diamond, including weight, shape and cut, color grade, clarity grade, measurements, proportions, finish, photo luminescence, other physical properties, and plotting. On request, the stone will be sealed in a capsule bearing its description and certificate number. The unbroken seal assures the customer that the accompanying certificate matches the diamond inside.
The EGL Diamond Consultation is a condensed report on a diamond. Only the carat weight, color grade, clarity grade, and plotting diagram are recorded. In trade factories, dealers and jewelers make use of the information in a Consultation to set the buying and selling price of the diamond.
Gemological Institute of America (GIA)
GIA developed the first internationally accepted Diamond Grading System. GIA also introduced the first Diamond Grading Report and set the standard for diamond quality documentation around the world. The GIA Gem Trade Laboratory issues these reports on a majority of high quality diamonds over one carat in size. It examines most of the world’s important stones, including the famous Hope Diamond. To maintain its position as an unbiased arbiter of standards, GIA is not involved in the buying, selling, or appraising of gems and jewelry.
GIA’s Diamond Grading Report describes a diamond’s weight, cut, proportions, finish, color grade, fluorescence, and clarity grade. No valuation is stated. Comments are used to describe characteristics not covered by the above entries, or on the plotting diagram. Internal and external identifying characteristics are plotted as close to relative size and position as possible. This serves as an illustration of clarity grade, and further substantiates that the report matches your diamond. Every stone is screened and authenticated, with full coverage for client protection.
International Gemological Institute (IGI)
Over 250 staff members at IGI issue over 400,000 gem reports annually. IGI has three distinct products: the Diamond Report, Identification Report, and the Information Appraisal Report.
IGI’s Diamond Report attests to the authenticity of a diamond. It provides a reliable and accurate statement of the stone’s identity and grade, based on an internationally recognized system. Details include weight, measurements, shape and cut, finish, proportions, clarity, fluorescence, and color. Upon request, IGI can seal the stones in a plastic box containing a reduced microfilm of the original report, to assure the jeweler and the consumer that the gem corresponds to the gemological report.
The IGI Identification Report provides information on weight, measurements, shape and cut, finish, proportions, clarity, and color. To further identify the gem, an enlarged photo showing the details is added.
IGI’s Information Appraisal Report states the estimated retail replacement value for insurance purposes, expressed in US Dollars, Euro, or other appropriate currencies.
Does Certification Have An Effect on Price?
Yes and no. Usually, a gem has no name, and no discernable history. The purchaser often doesn’t know where the stone was found, who extracted it, who polished it, or the name of the original dealer. The only document that travels with the gem is the certificate. As IGI states, it is a “passport for your gems.” So, while a certificate might not increase the value of a particular piece, the gem cannot be undervalued or have its authenticity questioned. That makes the certificate a valuable document.
How to Procure a Certificate
You can contact the above authorities directly, or visit your local jeweler. Many dealers are regularly in contact with the various labs and can assist you in the process. Though some dealers will promote their own certification process, we recommend that you employ an independent gemologist, such as one of the leading authorities listed above.

Clothing firm Key Closet recently unveiled its new premium jeans, priced at $10,000, which feature hand-drawn designs and one-carat diamonds on the back pockets.
These jeans are made in the U.S. of handcrafted denim. The graphics on the jeans are hand drawn, using a water-based paint that is both soft and luxurious. The graphics have foil and hand spray painted accents, and each pair is hand-threaded according to the style of the artist who designed them.
The back buttons are made of white gold, and complement the one-carat diamond set into both back pockets. In addition to the two carats of diamonds on the back pockets, there are thousands of shimmering Swarovski crystals all over the jeans themselves.
The official debut of the $10,000 jeans will be at the upcoming Runway Magazine “Summer Splash” Fashion Show being held on June 26 in Los Angeles at Boulevard 3.

Wealthy Bangladeshi filmmaker Ahsanullah Moni has built a life-size replica of the Taj Mahal that features granite from Italy and diamonds from Belgium. The structure, which is located eighteen miles northeast of Dhaka, Bangladesh’s capital city, cost 58 million dollars to complete.
“Everyone dreams about seeing the Taj Mahal but very few Bangladeshis can make the trip because it’s too expensive for them,” explained Moni. He hopes that his version of the Taj will draw both local and international tourists. Currently, Bangladesh draws less than one-tenth of a one percent of visitors who come to Asia-Pacific region.
The original Taj Mahal, located in Agra, India, took tens of the thousands of workers over twenty years to complete. It was built in the 17th century by the emperor Shah Jahan in memory of his second wife, Mumtaz Mahal. Shah Jahan had materials imported from all over the world, including forty different types of gemstones, pearls, and diamonds. Many of the diamonds and other precious stones have been looted from the Taj Mahal over the last hundreds of years.
By contrast, Moni’s replica Taj Mahal took five years to build. “I used the same marble and stone as in the original Taj,” he said. “We used machinery, which is why it took less time.” The diamonds for Moni’s replica Taj came from Belgium. Antwerp, Belgium’s capital, is widely-recognized as the world’s center for diamonds.

Swiss watch maker Hublot teamed up with setting workshop Bunter SA to create an unprecedented timepiece–and a million-dollar price tag to go with it. The watch, called the Hublot Black Caviar Bang, is made completely of white gold and black diamonds, but not one hint of gold is visible.
The setting of the watch is completely invisible, with only the black and deepest tones of the diamonds showing. In a media release, Hublot CEO Jean-Claude Biver said: “When each element is crafted individually and in coherence with the one right next to it, this is invisible from the outside but creates a vibration of harmony which is visible and gives rise to emotion in those who perceive it”. The watch is, indeed, a perfect finale for Hublot’s Big Bang line and all its derivatives.
The watch case is set with 322 black diamond baguettes. The watch’s dial is set with 179 more, plus 13 on the crown and 30 more on the clasp. While the weight of the diamonds on the watch is 34.4 carats, the case itself, made of white gold and 30 black diamonds, only comes in at 3.5 carats.
The Black Caviar Bang watch joins a million-dollar watch club that includes the limited edition Corum “Golden Bridge”, Patek Philippe’s “Sky Moon Tourbillon”, a Jacob & Co. diamond-studded timepiece, and Robert Wan’s pearl-set watch. Although the Black Caviar Bang is part of the Big Bang line, it is a one-of-a-kind piece that joins the art of jewelry-making with the art of watch-making.
To celebrate their 80 year anniversary, Eton have launched their highly exclusive Diamond Shirt. The Swedish brand have woven the shirt from the world’s finest and rarest Egyptian cotton yarn which has been encrusted with diamonds!

Of you get your skates on you’ll be able to see the shirt in Harrods up until the end of December and if you fancy buying it for an estimated $40,000 you can join the silent auction taking place from Wednesday 26th November – Just log onto http://www.etondiamondshirt.com/ to pledge your highest bid. All proceeds will go to Great Ormond Street Hospital.
The shirt’s most striking aspect is the seven coloured diamonds that adorn the shirt studs and cufflinks. The five diamond dress stud set consists of multi coloured diamonds and the cufflinks each have one white diamond and all are set in white with black enamel borders.
The auction ends on 18th December, and Eton will get the tailored made shirt fitted and delivered to the highest bidder in time for the new year’s celebrations.













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