Archive

  • The Eternal Pink, mined by De Beers at the Damtshaa mine in Botswana is expected to fetch more than $35 million at the upcoming Sotheby’s HK auction, potentially breaking records as the most expensive price per carat ever to come to market. The estimated price per carat for The Eternal Pink is $3.3 million, giving it a chance to challenge the record set by The Williamson Pink Star, which was sold at Sotheby’s Hong Kong in 2022 for $5.2 million per carat. That gem was bought by a private collector based in the US for $57.7 million.

  • Sotheby’s got $12.4 million for the 303.1 ct. Golden Canary—the recut version of the Incomparable—making it the third most valuable yellow diamond ever sold at auction. The Golden Canary is a Fancy Deep Brownish Yellow color and is considered the largest internally flawless diamond in the world.
    The story of the Golden Canary’s discovery is also quite captivating.

  • De Beers had two more strikeouts with its Exceptional Blue Collection recovered in Petra’s South African Cullinan mine, this last Dec. 7 - perhaps a harbinger of waning demand in the colored diamond auction market.

  • Selling to an undisclosed buyer at the Sotheby’s auction house in Hong Kong, the Williamson Pink Star diamond sold at 58 million dollars, fetching more than double the anticipated sales price. The pastel-hued diamond was named in honor of two other pink diamonds, the CTF Pink Star, which sold for $71.2 million in 2017, and the "Williamson" diamond, a pink diamond gifted to Queen Elizabeth II.
    The pink colored 11.15-carat diamond is a rare find among gem quality stones and was discovered at the well-known Mwadui mines in Tanzania.

  • Today the step-cut fancy-vivid blue diamond weighing 15.10 carats sold for (450.9 million HKD) US$57.47 million, or over US$3.8 million per carat, at Sotheby's Hong Kong auction.

  • Auction house Sotheby’s announced they will auction ‘The De Beers Cullinan Blue’ - one of the most valuable blue diamonds ever - in April.

  • Sotheby’s announced the 555.55 carat black diamond with 55 facets was sold for US$4.3 million in an online auction.

    The Enigma is believed to be the world’s largest black polished diamond. The buyer used cryptocurrency for the purchase.

  • Auction house Sotheby’s announced an extremely rare black diamond of 555.5 carats with a 55- facet cut, called the Enigma, will go under the hammer in February.

    The Enigma was listed in the 2006 Guinness Book of World Records and will become the largest of its kind to be put up for auction. Sotheby’s expects the stone to fetch between $4.1 and $6.8 million.

    According to the auction house, the Enigma is a rare piece that cannot be compared to other diamonds or even other black gemstones sold in the past.