Program aims to educate young consumers about mined stones’ positive qualities.
D-color, VVS2-clarity stone on Harry Winston ring boasts high estimate of $1 million.
Stellar stateside stones: Colored diamonds came out on top at the December sales, while sapphires continued to draw collectors’ interest.
The jewelry department head talks about the diamond brooch that changed her life, and the enduring power of the Art Deco movement.
Here are the rough and polished stones that made for a memorable year.
Total is highest for jewelry sale in France this year.
Ring with cushion-cut, 3.49-carat, internally flawless stone leads Magnificent Jewels auction.
Top items fetched more than three times their high estimates.
Cushion brilliant-cut, 15.48-carat stone is top seller at Hong Kong Magnificent Jewels auction.
Pair, containing oval mixed-cut stones weighing 12.20 and 11.96 carats, will lead New York Magnificent Jewels sale.
17.61-carat blue stone is most expensive sold at auction this year.