Program aims to educate young consumers about mined stones’ positive qualities.
Jewel featuring sapphires and diamonds sells for $507,000.
11.87-carat Burmese sapphire sells for more than three times its upper estimate.
London Jewels auction will also feature several single-owner collections.
3.06-carat stone expected to go for up to $300,000.
Fancy-intense-orangy-pink stone will lead December 5 John Moran sale.
A Grand Tour of Van Cleef’s new collection, shifts in the Chinese luxury market, and lab-grown for Diwali are in this week’s roundup of stories from across the industry.
Diamonds dominate top 10 lots of December 6 Important Jewelry sale.
Revenue up 10% year on year in first half.
November sale also features jewelry from Fred, Bulgari, and other top houses.
Many top lots fall short of low estimates or fail to find buyers entirely.