Colored diamonds

A rare cabochon cat’s-eye emerald weighing 126 carats recently turned up for grading at the Gemological Institute of America (GIA) in Tokyo, one of the largest stones of its type the lab has ever [...]

The top item at the February 3 Important Jewels sale in Hong Kong was a bracelet with 13 graduated step-cut Colombian emeralds weighing a total of 19.41 carats. The piece, which also contained 13 [...]

The Diavik Midnight Sun, a yellow and pink diamond ring made up of stones from Rio Tinto’s diamond mines, has been unveiled in Sydney, Australia, recently.   The ring features yellow [...]

A 31.62-carat Fancy blue diamond pendant necklace is estimated to fetch between $10 million and $15 million at Christie’s Magnificent Jewels auction next month, IDEX Online reports.   The [...]

An amethyst and diamond pendant worn by Princess Diana to several events will lead the upcoming Royal and Noble sale at Sotheby’s, where it is expected to fetch up to GBP 120,000 ($145,670). [...]

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 [...]

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 [...]