Colored diamonds

Sotheby’s will offer a yellow diamond weighing more than 300 carats at its upcoming New York auction, where it is expected to bring in more than $15 million. The pear-shaped, 303.10-carat, [...]

A richly colored diamond initially suspected to be treated soared past expectations at Heritage Auctions last week, fetching $1.8 million and setting a record for the Texas-based company. The [...]

Een reusachtige roze diamant, een zeer zeldzame edelsteen, zal op 8 november worden geveild in het Zwitserse Genève. De veiling zou tussen 25 (25,8 miljoen euro) en 35 miljoen dollar (36,1 [...]

Susannah King, a London-based jewelry designer, sold a collection of rings for $23,000 in under 60 seconds on her TikTok profile, IDEX Online reports.   King, a fourth-generation goldsmith, [...]

A yellow rough diamond weighing 151.60 carats will be the star item at Mountain Province’s sale in Antwerp later this month. The octahedron with “exceptional clarity” will be among more than 90 [...]

The De Beers Blue is probably one of a select group of rare diamonds originating in the deepest parts of the earth, according to researchers at the Gemological Institute of America (GIA). The [...]

One of the purest pink diamonds in history will go under the hammer at Sotheby’s later this year, carrying a presale estimate of HKD 170 million ($21 million). The cushion-cut, 11.15-carat, [...]

Heritage Auctions has unveiled a 1.21-carat, fancy-orangey-red diamond that will go under the hammer at its Fall Fine Jewelry Signature auction on September 29. “This gem is one of only a few [...]

Lucapa Diamond Company has recovered one of the largest pink diamonds in history: a 170-carat stone from the Lulo mine in Angola. The type IIa rough, named the Lulo Rose, is “believed to be the [...]

A Kashmir sapphire led Wednesday’s Bonhams Hong Kong Jewels and Jadeite auction, selling for more than $400,000. The ring, featuring the unheated cushion-shaped, 6.99-carat sapphire with a [...]