Boucheron Tiara Beats High Estimate at Bonhams

Jewel, centering 3.60-carat diamond, fetches $681,600 in London.

GIA to Launch Cut Grade for Select Fancy Shapes in 2027

Lab also rolling out new comments clarifying impact of fluorescence.

Market Comment: June 11, 2026

Industry reflecting on positive Las Vegas shows for 2 ct. and larger diamonds.

Emerald and Diamond Necklace Shines at Phillips Auction

Lot sells for $541,800 in New York, within estimates.

Stream Family Collection Brings In $17.3M at Christie’s

49.91-carat diamond ring fetches $2 million, beating its $700,000 high price.

Emerald and Diamond Necklace Takes Spotlight at Bonhams

Piece brings in $778,400 at Hong Kong sale.

Chanel Names New Director of Jewelry Creation Studio

Marie-Laure Cérède will be responsible for the house’s precious and high-end collections.

US Proposes 12.5% Tariffs on India

Plan is response to alleged leniency on forced labor.

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