“Fluorescence is a natural birthmark of a diamond that adds curiosity and wonder,” says Jason Quick, the executive director of American Gem Society ... ‘four Cs’ — cut, clarity, color ...

Phillips New York Jewels Auction will have signed jewels by Tiffany & Co., Van Cleef & Arpels, Bulgari and Chaumet, as well ...

The one-of-a-kind gem was reset in 2012 into the necklace ... gown with 16.46-carat yellow diamond drop earrings and a radiant-cut yellow diamond ring, both by Harry Winston.

From the legendary Hope Diamond to a rainbow of colorful gemstones, a multigenerational bond between the Winston family and ...

The stunning tsavorite gemstone arrives at the museum with a well-documented history Jack Tamisiea The Lion of Merelani is the world’s largest square-cushion cut tsavorite gem with 177 ...

The Italian maison’s new Allegoria collection of high jewelry showcases rare and surprisingly large gemstones, including a 226-carat vibrant cushion-cut green tourmaline and a 78-carat radiant ...

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Fuli Gemstones is partnering with young designers for jewelry collaborations, as well as supporting The Jewellery Cut Live, a boutique jewelry show that occurs during London Fashion Week.

The 8.5-carat, radiant-cut green diamond is flanked by two half ... The expert said that the value of the gem will “significantly increase over time.” ...