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The G.I.A. scale starts at "D" and goes through "Z", with "D" being void of any body color, and "Z" having a light yellow, brown or gray color. Group activities include Rapaport Information Services; the primary source of diamond prices, research, analysis, news, and the Rapaport Magazine; RapNet® – the world’s largest online diamond trading network with $7.5 billion of daily listings; Rapaport Auction and Trading Services, the world’s largest recycler of diamonds; and Rapaport Laboratory Services providing quality control, GIA, HRD and AGS laboratory grading services in India and Israel. Expert diamond graders have a tough time determining the exact color of a diamond, so it’s an absolute must to choose diamonds graded by the top grading labs in the world. This will help you determine the market value for your diamond in the best and most precise way possible.

Diamond grading companies

GIA Diamond Grading Scales: The Universal Measure of Quality March 14, 2013 The prospect of purchasing a diamond may seem daunting, but through GIA, an unbiased authority on diamonds, you have several handy resources to help you select the highest quality diamond. Diamond Sports Gems - About CTA Grading. About CTA Grading. I have seen (and owned) many cards graded by CTA. I don't think they're in business anymore, but I used their services heavily for a period of time, when I was actively buying and selling sports memorabilia. 2021-03-07 · Diamond grading is anonymous.

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EGL is known for pioneering diamond grading techniques for stones weighing less than a carat and has a large market share in Europe. With cheaper diamond grading certificates and fast turnarounds, the company became a popular brand in diamond chains.

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Along with each diamond you’re considering, you should receive and review its lab certification. GIA Diamond Grading Report The GIA Diamond Grading Report includes an assessment of a diamond’s 4Cs – color, clarity, cut, and carat weight – along with a plotted diagram of its clarity characteristics and a graphic representation of the diamond’s proportions. Leading gemological lab and diamond certification company, Gemological Science International, uses the latest technological advancements to provide accurate grading rating to gemologist and diamond rating companies. DGC Laboratories was developed with the intention to deliver a superior service to consumers by grading and assessing diamonds by our certified graduate gemologists.

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The traits you consider to determine the quality of a piece include carat weight, cut, color, and clarity. We only use diamond grading laboratories that have the strictest clarity and carat weight as verified by an independent company with no conflict of interest Independent Diamond Grading Laboratories 42 Basson Drive 2058 Johannesburg Gauteng 2021-03-07 · Diamond grading is anonymous. No company or submitter names are included which may identify the owner. Even the MPN may be redacted, to ensure no favoritism or bias. The most sophisticated laboratories include a chip in the diamond’s parcel by which it can be electronically tracked, to determine its location at any given moment.

And while reports may be issued for diamonds that have been laser drilled or HPHT processed, reports will indicate that the diamond has been treated. Not all Diamond Certifications are trustworthy. Only labs that grade diamonds strictly protect your investment. Ah, the $64,000 question! No! Diamond certification is a business.
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Explore all 302.000+ current Jobs in India and abroad. Full-time, temporary, and part-time jobs. Competitive salary. Job email alerts. Fast & Free. Top employers. Diamond grader jobs is easy to find.

For more than 40 years we have served customers in Colorado and the surrounding states. EGL is an abbreviation for European Gemological Laboratory. It is a European founded grading agency and has a big global presence – with offices in London, Paris, Tel Aviv, Tokyo, Johannesburg, among others.
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These laboratories do not get involved in the sale of diamonds, however, the staff might be able to direct you to the companies/organisations, who buy or sell diamonds. Just as it’s the only way to prove the 4C’s of a diamond when buying a diamond, a grading report will be the only way to prove the same if ever the diamond needs to be sold. If you don’t have a grading report you may find it near impossible to move and you will end up having to fork out extra cash to have the stone graded just to be able to list it for sale. Before the 1950s, diamond grading was an informal process where diamond wholesalers, cutters, and retailers determined the grading of diamonds for themselves. This all changed in 1953, when the GIA (Gemological Institute of America) established an independent laboratory and created consistent standards for the grading of diamonds.

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GIA Diamond Grading Report The GIA Diamond Grading Report includes an assessment of a diamond’s 4Cs – color, clarity, cut, and carat weight – along with a plotted diagram of its clarity characteristics and a graphic representation of the diamond’s proportions. Leading gemological lab and diamond certification company, Gemological Science International, uses the latest technological advancements to provide accurate grading rating to gemologist and diamond rating companies. DGC Laboratories was developed with the intention to deliver a superior service to consumers by grading and assessing diamonds by our certified graduate gemologists. Diamond Certificates Our sophisticated equipment along with our experts ensures that your stone will be given a thorough and honest evaluation according to strict international Diamond Certification (most commonly from labs GIA, AGS, IGI, EGL, GSI, and HRD) is a document you receive from an objective 3rd party lab that describes a diamond in all of its characteristics. Along with each diamond you’re considering, you should receive and review its lab certification. Buying GIA Diamonds Over 60 years ago, the GIA revolutionized the diamond industry with the GIA Diamond Grading Report. When you buy a GIA diamond, you can rest assured that it has been certified according to the strictest criteria and by the world’s foremost authority on diamonds.