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 ...

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 ...

The 302.37-carat Graff Lesedi La Rona was cut from a ... the principal stone cut from the historic 1,109-carat Lesedi La Rona rough diamond it acquired in 2017. Graff says the gem is the largest ...

Graff will mark its return to La Biennale with a breathtaking jewelry collection, incorporating exquisitely rare diamonds and gemstones that reflect its global reputation for the most fabulous ...

These diamonds are, indeed, forever: For the first time in 50 years, the Wittelsbach-Graff diamond go on display starting today at Washington D.C.'s Smithsonian National Museum of Natural History.

In 1970, world renowned diamantaire Laurence Graff OBE created Hair & Jewel, an ornate coiffure comprising one million dollars of diamonds and precious gems. It captivated audiences from around ...

Graff Diamonds is taking their talents to a Southampton venue to showcase what CEO Henri Barguirdijan promises to be, “the most fabulous jewels in the world.” ...

The institute, which had certified the diamond before the robbery, determined the pawn shop had presented the very same gem, although it has been re-cut, Graff's lawsuit says.