Fancy colour diamonds continued to reign fine jewellery auctions in Hong Kong. A stunning ring with a rare pink-purple diamond by Chinese designer Cindy Chao recently sold for HK$9.1 million (US$1.17 million) at a Bonhams sale. The ring, a piece from Chao’s Ribbon collection, is adorned with a 4.23-carat fancy pink-purple, oval-cut diamond, wrapped within […]

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