Program aims to educate young consumers about mined stones’ positive qualities.
All 24 items found buyers in first live auction of non-gendered bejeweled vintage timepieces.
Auction at Cornette de Saint Cyr will feature pieces from Cartier, Van Cleef & Arpels, Boucheron, and Chaumet.
Before mobile phones, travel clocks were the go-to for high rollers on the road — and they’re still moving in today’s market.
Is there a place for lab-grown stones at auction? Four experts weigh in.
6.79-carat Hemmerle ring sells for $328,890, well over upper price tag.
A rare 7.01-carat, fancy-vivid-yellowish-orange diamond ring will lead sale.
Ring carries estimate of up to $1.3 million at Hong Kong Jewels sale.
D-color, VVS2-clarity stone on Harry Winston ring boasts high estimate of $1 million.
Auction features Van Cleef Zip necklace as well as Cartier Panthère and Bulgari Serpenti jewels among its more than 220 items.
Gina D’Onofrio will return to company as codirector of division.