Category: Auction

De Beers 28.88ct. Diamond to Hit Auction Block for Nearly $3M

Stone from Jwaneng mine will feature in Sotheby’s Hong Kong luxury sale on April 23.

10.02-carat Tiffany & Co. diamond ring is top seller, fetching $520,700.

Ring centering 26-carat stone brings in $1.3 million at recent London auction.

9-carat gemstone will carry $833,000 high estimate at the March 30 sale.

26-carat stone to carry $1.3 million high estimate at March 17 London sale.

Ring carries a $700,000 high estimate at March 19 Jewels Online sale.

Necklace and unmounted gemstone bring in $83,050 each at recent Los Angeles sale.

Christie’s saw “surging” demand for emeralds, rubies, sapphires and Paraiba tourmalines in 2025.

Jewel carries an $8 million high estimate in upcoming online sale.

In our first special edition, find out what sold and for how much, and how the market fared overall.

The September issue looks at the spending trends, gemstones, and styles shaping retail shopping this festive season.