Retailers participating in GIA’s Retailer Support Program can now use an enhanced collection of colored stone materials to tell the story of these beautiful gemstones to their customers. The materials – including brochures, counter displays and a birthstone flipchart – further the program’s mission to help retailers educate consumers about diamonds, colored stones and pearls, […]

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The GIA has recently come across what it says is the first ever observation of a H4 defect in a CVD synthetic diamond. The stone was submitted to its Carlsbad laboratory for a synthetic coloured diamond grading report recently. The announcement was made in a Lab Note published in the Spring 2017 volume of its […]

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