All eyes are on the upcoming jewellery sales events in the US – the Luxury and JCK shows in Las Vegas – as business slows down in other parts of the world.
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A behind-the-scenes exploration of the Smithsonian's Janet Annenberg Hooker Hall of Geology, Gems and Minerals.
Read MoreA large number of natural-colour yellow diamonds are analysed using grading and appearance aspects among other characteristics to clarify the differences between them and the light yellow diamonds associated with GIA's D-to-Z colour grading scale.
Read MoreThis article compares some of Chatham Created Gems’ synthetic coloured diamonds to natural diamonds and explains the results.
Read MoreThe stories behind seven strikingly beautiful rare natural diamonds, united in an exhibit at the Smithsonian, are told here.
Read MoreKnown for their great beauty and rarity, pink diamonds have long been sought after by jewellers, collectors and consumers.
Read MoreTwo new categories of grey-to-blue diamonds are described.
Read MoreSome treated yellow and blue-to-green diamonds show a peculiar colour zoning when viewed through the pavilion.
Read MoreOne of the most popular exhibits at the Smithsonian Institution, the stunning Fancy Dark greyish blue Hope diamond was formally graded by GIA’s gem laboratory.
Read MoreSumitomo Electric Industries is producing gem-quality synthetic yellow diamonds in deep yellow single crystals in sizes up to 2 ct.
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