The Graff Pink ring is another masterpiece featuring ... It is a 17.61-carat vivid blue pear-shaped Type IIb diamond. This ring also has a platinum and 18K rose gold setting with two colorless ...

The 14.93-carat vivid pink diamond went for a final price of HK$249,850,000, which comes to $2.14 million per carat, to an international private collector at Christie's autumn sale. The price fell ...