Internally Flawless Briolette Diamond Pendant Sells for $11.2 Million at Christie’s

A star was born May 28 at Christie’s Hong Kong when this pendant sold for $11.2 million ($148,000 per carat)—achieving a world record as the largest internally flawless briolette diamond ever auctioned.

The stone also received a name: the Star of China. (Buyer Tiffany Chen named it after her company, China Star Entertainment.) The D-color, 75.36 ct. diamond is “is suspended from a marquise-cut purplish-pink diamond, which was also very rare, in its own range,” says Rahul Kadakia, head of jewelry, Christie’s Americas and Switzerland.

The William Goldberg Diamond Corp. spent months studying the rough gem to ensure the finished stone was perfect before it was cut in the early 2000s. Once the necklace made its way to Christie’s, Kadakia says, “specialists decided amongst themselves that Hong Kong would be the right market. This proved to be a very fruitful decision.”

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