The world’s largest blue diamond ever to come to auction has sold for 450,925,000 HKD, or $57.5 million.Named “The De Beers Cullinan Blue,” the massive 15.10-carat step-cut gem sold at Sotheby’s in Hong Kong after ...
An “ultra-rare” purple-pink diamond is set to go under the hammer, with auction house Sotheby’s estimating that it could fetch up to $38 million. The 14.83-carat stone, dubbed “The Spirit of the Rose,” will go ...
At a noticeably diluted Baselworld – (no temporary flower beds bursting with tulips or pop-up cafes in the courtyard the first sign of a smaller, Swatch Group-less trade fair) – high jewellery was a little ...