Diamonds, rare colored gems and signed jewels from important private collections fueled Sotheby’s High Jewelry auction in New York on Friday ...

Sotheby's sale of 110 lots includes important pieces from the Vanderbilt and Wade families, and a private collection in which their jewels document a lifelong love affair ...

Sotheby’s is on a roll with its high jewelry. Its recent sale, which closed earlier in June, saw stunning profits at in New ...

Mr Graff, who has a showroom on Geneva's posh rue de Rhone, also scooped up a fancy, intense blue diamond of 3.16 carats, also part of the Mavromattis collection, for nearly $3.69 million.

A model wearing the "Graff Ruby" a 8.32 carats red hue "pigeon blood" Burmese stone, and a natural pearl and diamond necklace that belonged to Josephine de Beauharnais, Queen of Norway and Sweden ...

An extremely rare 5-carat blue diamond ring, priced $20 million to $30 million. The ring is offered by Graff Diamonds at the 2015 European Fine Art Fair (TEFAF). (Photo: Alanna Martinez) I tried ...

Record-Breaking 1,109-Carat Lesedi La Rona Diamond Becomes Jewelry You Can Own Graff is transforming the massive gem into wearable designs. Published on November 18, 2018 ...