Analyses and separates diamonds from simulants, laboratory-grown and potentially HPHT treated natural diamonds.
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GIA established the 4Cs (Cut, Clarity, Color, Carat Weight) - the global standards for evaluating diamond quality.
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As a laboratory client, you can now quickly and efficiently manage your workflow through GIA's online portal.
Now featuring one login for My Laboratory and the GIA Client Portal. Login
Instantly view and manage the job status of your gemstones from anywhere you have Internet access with My Laboratory – a 24/7 secure portal that as the latest information on your items, along with other invaluable resources. It's an easy-to-use platform that lets you:
Running a lot of reports? View your options.For additional questions, please contact our client services representatives.
Assessment of authenticity and quality for diamonds in the D-to-Z color range from GIA, creator of the 4Cs
Assessment of color origin and quality based on GIA's color grading system for diamonds outside the D-to-Z range.
Identification of laboratory-grown diamonds, ensuring disclosure through laser inscription and digital-only reports.
Documentation of the specific attributes of pearls and pearl jewellery, including mollusc type and growth environment.