Learn about GIA's processes to ensure the most accurate and ethical diamond grading results.
Read MoreGIA is now using blockchain technology to deliver secure, digital diamond grading reports. This report service delivers the same independent, accurate and unbiased grading analysis as the GIA Diamond Grading Report and Diamond Dossier® services in a digital format.
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Decent demand for finished jewellery, but less for loose gems. Plus: Lab-grown diamonds and responsible, sustainable business practices.
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Consumers want to know that the components of their jewellery – gemstones, diamonds and precious metals – are responsibly sourced.
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Learn about the differences – and similarities – between natural and laboratory-grown diamonds, and how GIA’s researchers and grading laboratories can tell the difference
Read MoreWith the growing availability of synthetic diamonds in the marketplace, full disclosure and confidence in knowing what you are buying is now more important than ever. GIA has developed a sophisticated and easy-to-operate desktop instrument to screen for these stones.
Read MoreTo submit any item to GIA for analysis and grading services, you will need to submit a completed Client Agreement with your first shipment.
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Don’t judge a gem by colour alone. Many clues can help you identify gems of similar colours.
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