In the late 1950s, an expert at the Gemological Institute of America (GIA)—the world’s leading nonprofit institute devoted to gemological
Jewelry designer Nina Runsdorf (212.382.1243) scours the diamond market for nontraditional stones—thin slices or rough rocks
De Beers, the mastermind behind diamond marketing for the past century, intends to change the way we value this coveted stone.
"You never know what’s inside a geode until you crack it open," says jewelry designer Kimberly McDonald (
Manhattan jeweler Stephen Russell (212.570.6900, www.stephenrussell.
The Bernard K.
The South Sea pearl company AUTORE transforms the classic gem from the sea into imaginative jewelry creations.
Last December, at Sotheby’s Magnificent Jewels sale in New York, the auctioneer’s gavel came down on an astonishing bid of $82,000 for a
Known for his collection of rarefied estate jewelry, Lee Siegelson of Siegelson (212.?832.?2666,
When, in 2005, jeweler Viren Bhagat acquired an exceptional 17th-??century, 70-?carat carved emerald, he envisioned the Mughal-era jewel a