GIA Certification. The GIA (Gemological Institute of America) is the most well-respected and …

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Grading and certification of all Diamonds, including Fancy Coloured Diamonds and Diamond Jewellery. Gemstone Certificat So it's imperative that you get a diamond that has been graded by an independent diamond grading laboratory - not the To protect your diamond investment you should rule out any lab not named GIA (Gemological Institute of America) When you choose a diamond, look closely. We do. Our gemologists, researchers, and scientists work together to find the microscopic details, subtle treatments, and new technologies that make each stone unique. Discover GHI, a gem lab with& Gemological International Laboratories (GIL) is an international gemstone testing facility specializing in comprehensive diamond and colored gemstone analysis. SERVICE PROVIDED. GIL provides detailed identification and enhancement ..

The Diamond Grading & Identification Lab Class can be taken as a standalone short course to introduce diamond beginners, retail jewellery professionals, designer-makers and passionate diamond lovers to the art and science of diamond grading. 2021-03-07 · Diamond Grading - Basics Loose diamond grading may be performed by any credentialed professional. The most strict and secure diamond grading is performed by top-tier laboratories issuing diamond certification (or grading reports) for loose diamonds, following a detailed process of intake and analysis. Each GWLAB Diamond Grading Report contains the diamond’s information, as graded by the laboratory’s gemologists.

There are a lot of things you have to check & verify before getting a diamond, and maybe one of the most important one is the diamond grading / certification lab. Why? Because simply

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The EGL has labs all over the world, from London and Mumbai to Antwerp and Tel Aviv. The same standards apply to all laboratories, and the EGL has a different approach to grading when compared with the other leading laboratories.

Read More. ANALYTICAL SERVICES. ANALYTICAL SERVICES. Verify the authenticity of your natural loose or mounted diamonds and detect undisclosed lab grown diamonds. Read More. METAL TESTING.

How to Apply 3M™ Diamond Grade™. Cut grade. Ideal Excellent Very Good Good. Color grade.
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Each lab administers its own special grading systems and diamond-related nomenclature. Some labs are inconsistent with their diamond testing methods and have flimsy standards.

Natural diamonds as well as lab diamonds, are available in many colors and tints.The traditional "clear" stones found in most engagement and wedding rings are known as known as white diamonds.Whereas fancy colored diamonds are the vivid shades like pink, green and yellow.
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Diamond Grading Labs and Pricing 40 years ago grading reports were only done for the finest quality diamonds. But today even very low quality larger diamonds sold in Wal-Mart come with a cert. Demand for skilled graders is intense.

Each EGL USA Gemological Report provides a clear, concise view of your stone. So, it's more than an exceptional document.

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AGS is on par with GIA when it comes to high standards and consistency in grading.

IGI independently verifies lab diamonds, grading them according to a number of factors e.g. cut, clarity, color, and carat. IGI certified diamonds using a graded color scale. The less color a diamond has the better the grading it will receive. Less color generally equals more sparkle!

Cut grade.

There is no difference between a diamond occurring naturally and a laboratory grown diamond except 'origin'. The most respected diamond grading laboratories the Gemological Institute of America, HRD and the International Gemologic DGLA: Diamond and Gem Laboratories of America. · IGI: International Gemological Institute. · AGS: American Gemological Society.