The Golconda Blue has an estimate of $35-50 million. Here are the reasons why.

In “Cosmic Splendor,” Van Cleef & Arpels charts the stars and its archives with more than 60 celestially inspired high ...

In the age of private sales and auction-house theatrics, the old metrics of diamond value—cut, clarity, carat and color—are only the opening act. True connoisseurs are chasing rarity, provenance ...

From Rolex’s first new collection in more than a decade to the world’s most complicated wristwatch, timeless timepieces from ...

Surrounded by 16 white pear-shaped and cushion-cut diamonds ... the diamonds to grow, but these same catalysts are not observed in the diamonds from the upper mantle of the Earth. How old then ...

STERLING HEIGHTS, Michigan (WXYZ) -- Some residents in Sterling Heights are hoping to save a centuries-old tree from being chopped down in favor of housing. On Van ...

The Golconda Blue diamond, a rare gem from India, will be auctioned in Geneva. This 23.24-carat diamond has historical ties to Indian royalty. It once belonged to Maharaja Yeshwant Rao Holkar II of ...

Kate, who is colonel of the regiment, missed the Guards' annual occasion last year after being diagnosed with cancer. The princess, who is gradually returning to public duties, will award long ...

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is the world’s foremost authority on diamonds, colored stones, and pearls. A public benefit, nonprofit institute, GIA is the leading source of knowledge, standards, and education in gems and jewelry.