A superb fancy vivid Blue Diamond of 5.04ct and Diamond Ring was sold this month at an auction by Sotheby in Hong Kong for HK$81,796,000 or ~US$10.55 million.
A 12.11-carat fancy intense blue diamond is sold for $15.9 million (HK$122 million) at Christie’s Hong Kong Magnificent Jewels auction.
The internally flawless marquise-shaped, brilliant-cut gem was sold...
New York—The largest D-color diamond to be auctioned via the internet is now the most expensive jewel ever sold at an online-only auction.
The 28.86 carat D-color, Emerald...