A 13.22-carat blue diamond, the largest in its category, fetched a total of US$23.79 million (S$29.7 4 million) at a Christie's auction in Geneva on Wednesday. At another auction by Sotheby's in ...
From rare purple diamond discoveries to record-breaking sales, Paris Couture Week kicks off with a bang as new first-of-its-kind report presents the world's most coveted and rarest fancy colour ...
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