Program aims to educate young consumers about mined stones’ positive qualities.
Ring featuring the 1.21-carat, VVS2 stone fetches $275,000.
This was highest total for the company’s London branch since 2010.
25-carat yellow-diamond ring by Bulgari achieves $2.8 million.
Platinum, sapphire and diamond ring by Ruser fetches $127,500.
Signed jewels and period pieces dominate London auction.
More than half of items that sold beat their high estimates.
Featuring the latest trends in gold jewelry, the US-India trade, and diamond portraits.
Revenue from Buccellati, Cartier, and Van Cleef & Arpels up 19% year on year in first fiscal quarter.
Inaugural sale in the Swiss city will take place on November 6.
Piece featuring rectangular step-cut, 3.89-carat stone between two emeralds will lead California Jewels sale.