Program aims to educate young consumers about mined stones’ positive qualities.
Unmounted stone was top seller, raking in $5.8 million.
A rare 7.01-carat, fancy-vivid-yellowish-orange diamond ring will lead sale.
A Kashmir sapphire and diamond ring was the top seller, fetching $856,800.
D-color, VVS2-clarity stone on Harry Winston ring boasts high estimate of $1 million.
Auction features Van Cleef Zip necklace as well as Cartier Panthère and Bulgari Serpenti jewels among its more than 220 items.
Jewelry expert Sharon Novak talks about the King of Diamonds’ groundbreaking techniques and bold approach to stone-cutting.
The mainland’s sluggish demand for polished is worrying suppliers.
Revenue from jewelry and watches up 6% in 2023.
Stellar stateside stones: Colored diamonds came out on top at the December sales, while sapphires continued to draw collectors’ interest.
Total is highest for jewelry sale in France this year.