Diamonds may be produced on other planets

Move over, Lucy: Researchers say Saturn, Jupiter, Neptune and Uranus may also be in the sky, with diamonds.

59-Carat Pink Diamond May Fetch More Than $60 Million

Sotheby’s Geneva will offer a 59.60-carat internally flawless vivid pink diamond at its Magnificent Jewels sale on November 13. Known as The Pink Star, the auction house says it is the most valuable diamond ever to be offered at auction. It is estimated to sell for more than $60 million.

GIA explores the work of Tony Duquette and Hutton Wilkinson in new exhibit

Tony Duquette, a multifaceted movie and interior designer, also created bold and theatrical jewelry pieces with Hutton Wilkinson, his business partner and design collaborator for more than 30 years.

Sotheby’s selling 19-carat Harry Winston diamond

Pieces from French designers as well as a 19.51-carat diamond ring from Harry Winston will be among the highlights of Sotheby’s next Important Jewels sale, scheduled for Sept. 24 in New York.

Sotheby’s HK Expects $19M for Rare Blue Diamond

Sotheby’s is expecting to sell a 7.59-carat, fancy vivid blue diamond for approximately $19 million, or $2.5 million per carat, at its Hong Kong auction on October 7.