Lab also rolling out new comments clarifying impact of fluorescence.
Average amount per carat up 42% year on year at $1,501.
Piece has a $1.8 million high estimate at the Magnificent Jewels sale.
Larger diamonds with J grades and down are gaining popularity among wealthier US consumers. What’s driving the craze?
Pair of earrings rakes in $385,500 in Geneva, smashing its $56,900 presale price.
Piece is likely to fetch up to $800,000 in New York.
Piece, featuring a 3.60-carat diamond, has a high estimate of $401,800.
Jeweler also plans to expand lab-grown offering from one to 12 stores in coming year.
Around 20 lots will feature at the Joaillerie Paris online sale.
Most of the AI being sold to the trade fails on a real stone. Eliran Dahan and Tal Kenig,
cofounders of 3D Foundry Labs, talk about what works instead.
cofounders of 3D Foundry Labs, talk about what works instead.
Market Comment: May 20, 2026