November 12, 2025 11:58 AM
‘Mellon Blue’ diamond ring sells for $25 million in Geneva auction
A vivid blue diamond weighing 9.51 carats and previously belonging to Rachel "Bunny" Mellon, the aristocratic philanthropist and a close friend of Jacqueline Kennedy, sold in Geneva for $25 million, Christie's auction house said on Tuesday. The internally flawless pear-shaped diamond mounted at the tip of a swirling ring design is named the "Mellon Blue," after its former owner who had it set as a pendant. It sold for $32.6 million in 2014, the year Mellon died at the age of 103. That was the ...