Month: December 2019

Jeweler Harry Winston

Harry Winston was known as the “King of Diamonds” and the “Jeweler to the Stars.” His designs were favorited by high-profile movie stars of his era, such as Elizabeth Taylor and Marilyn Monroe. His innovative ….

Gem Lab Warns of Color Instability in CVD

Synthetic diamonds grown using chemical vapor deposition (CVD) could change color for an extended period following exposure to certain light forms, Gemological Science International (GSI) has warned. When testing a 2-carat CVD diamond, GSI exposed ….

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