An “incredibly rare” purple-pink Russian diamond was auctioned this week for more than $26 million, a record for a gem of its kind. Sotheby’s said it sold the massive 14.8-carat stone ...

making them the most expensive colored gemstone and purplish-pink diamond ever sold. The Magnificent Jewels auction also made history for becoming the first to sell two stones for more than $30 ...

It's a 59.6-carat diamond ring nicknamed the Pink Star. According to Forbes, it's the largest internally flawless fancy vivid pink diamond ever graded by the Gemological Institute of America.

Breaking the auction record both for gemstones and for a single lot sold in Asia, the Pink Star Diamond sold for HK$553 million ($71.2 million) at Sotheby’s Hong Kong on April 4. As massive ...

Going, going, gone. Well not quite... Sotheby's auctioned off the "Pink Star" diamond for a world-record price of $83 million in November. But the winning bidder couldn't pay up, so the auction ...

It typically only works for objects up to about eight millimeters. Uzi's pink diamond is…much larger than that. A bigger, heavier gem risks bending the post or causing infection—in one of the ...