Top Jewels Fail to Sell at Phillips Geneva Auction

Emerald pendant, ring and earrings fall short of reserve prices.

India’s Asian Star Eyes Pivot to Jewelry

Downturn in small diamonds has hit manufacturer’s loose-stone business.

Lucara Sales Improve as HB Buys More Large Diamonds

Third-quarter revenue up 15% year on year amid growth in average price.

Lugano Files for Bankruptcy, Puts Business Up for Sale

Retailer seeks court approval for $12 million financing facility.

Richemont Jewelry Brands Resurgent as China Stabilizes

Sales for the category up 9% year on year in first fiscal half.

US, Switzerland Reach Provisional Deal to Cap Tariffs at 15%

White House agrees to reduce import duties, but timeline unclear.

Another Celebrity Gifts an Oval-Shaped Diamond

Formula 1 driver Charles Leclerc proposes to fashion icon Alexandra Saint Mleux with a sparkler estimated at 5 to 6 carats.

Sotheby’s Geneva Sales Garner $51M

Top lot — a 4.50-carat fancy-blue diamond — brings in $6 million, within estimates.

GEMTalks: Secrets of Deep Diamonds

GIA’s Dr. Evan Smith will explain what’s special about stones from 300 kilometers or more below the earth’s surface.

Mellon Blue Diamond Sells for $25.6M at Christie’s

9.51-carat stone fetched around 20% more in 2014.

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