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Harry Winston pays $23,8m for the largest known flawless vivid blue diamond

On Wednesday, Harry Winston (owned by Swatch Group) purchased the largest known flawless vivid blue diamond in the world for nearly US$ 23.8 million at Christie’s Geneva Magnificent Jewels sale. The nearly US$ 1,800 per carat price paid for the 13.22-carat diamond represents a world record for a blue diamond.

The blue stone, newly named “The Winston Blue,” joins the 101.73-carat “Winston Legacy” colorless diamond, which was purchased by Harry Winston at Christie’s Geneva jewelry auction a year ago. The luxury brand paid US$ 26.7 million for the diamond or US$ 254,400 per carat, a world record for a colorless diamond.

The Winston Blue Diamond (Harry Winston)

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