Program aims to educate young consumers about mined stones’ positive qualities.
Miner sells 1.5 million carats, accounting for 94% of lots.
Company also owns the Braúna deposit in Brazil.
Figure for division up 8%, with growth in all regions except Asia Pacific.
Proposed language for update includes armed groups or individuals and entities under UNSC sanctions.
Blue-diamond ring is top lot, smashing high estimate to bring in $12.7 million.
Company reports deficit of $24.7 million, compared with profit of $4.9 million a year ago.
Ekati owner plans to partner with cutters, traders, jewelers and luxury brands on direct diamond-sales agreements.
Diamond sells to American private collector, becoming most valuable jewel at auction this year.
53.14-carat yellow diamond, set to fetch up to $3.5 million, was among items without a buyer.
Piece will lead May 27 Magnificent Jewels sale.