Lab also rolling out new comments clarifying impact of fluorescence.
Category: Auction
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.
Golconda Blue and Glowing Rose diamonds are among lots that failed to find buyers or got withdrawn.
Christie’s accounted for six of the 10 most expensive lots.
Paris auction rakes in $10.5 million.
Piece brings in $368,800, surpassing its high estimate.
Lot had estimate of $1.5 million at December 11 sale, which totaled $11.8 million.
Leading piece sells for $776,490 at London auction.