To ring in the fall season, the London-based jewelry house Graff has released a new object that pays homage to the house’s history of innovative diamond design: a floral brooch featuring 63 carats of ...

Graff’s diamonds are the epitome of artisanal craftsmanship, and that starts with the stones. Thanks to their unparalleled ...

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 ...