Christie’s first online-only auction dedicated to diamonds achieved $1.49 million with 84% of the approximate 50 lots sold. The top lot of the sale was a diamond necklace by Graff, featuring a ...

Using only magnifying loupes and their intuition, diamond mogul Laurence Graff and his top gemologists spent two hours assessing the value of a newly discovered 603-carat rough diamond last October in ...

FAR OUT: Graff is stargazing with an unconventional ad campaign that sets its latest high jewelry collection against a backdrop of the aurora borealis. The campaign, “Galaxia,” was shot using ...

It was just last year, that the London-based jewelry company Graff Diamonds acquired the 1,109-carat Lesedi La Rona rough diamond that was said to be the most valuable of its kind in the world. The ...