Program aims to educate young consumers about mined stones’ positive qualities.
Unmounted pear-shaped stone originating from South Africa will lead Geneva Magnificent Jewels sale.
Ring sells for $1.1 million at Hong Kong auction.
Collection includes diamond pieces priced at up to $175,000.
11.87-carat Burmese sapphire sells for more than three times its upper estimate.
Ring with 103.62-carat yellow diamond leads sale at $2.5 million.
Necklace features largest “top-quality” stone of its kind in auction history, company claims.
Third-generation diamantaire took on role last year.
Revenue from category will fall 0.3%, Mastercard predicts.
Parties have been unable to agree on wage rise after four months of negotiations.
Operations at Gahcho Kué, Ekati and Diavik continue unhindered.