The partnership, a pledge to protect Africa’s Okavango River Basin, has been extended for an additional five years.
Ruby Ring Sells for $7M, Leads Christie’s Jewelry Auction
May might be emerald month, but in Geneva on Wednesday it was all about the ruby.

Geneva—May might be emerald month, but in Geneva on Wednesday it was all about the ruby.
A Harry Winston ring set with a 22.86-carat Burmese ruby flanked by half-moon diamonds led Christie’s jewelry auction, selling for $7.1 million, more than double its pre-sale estimates.
Coming in a close second at the Magnificent Jewels sale was an unmounted 118.05-carat fancy yellow cushion modified brilliant-cut diamond, which also doubled pre-sale estimates to garner $7 million.
At No. 3 in the jewelry auction was a natural saltwater pearl sautoir (seen below) featuring 110 pearls ranging from approximately 14.75 mm to 7.45 mm in size.
It went for well above its pre-sale estimate of $2.5-$3.5 million, with a buyer paying $5.7 million for the piece.
Christie’s jewelry auction also featured a couple jewels with royal backgrounds.
The Imperial Emerald of Grand Duchess Vladimir (seen below), which features a 75.61-carat pear- shaped Colombian emerald, was first owned by Catherine the Great before winding its way through the Russian royal family.
Expected to fetch between $2.3 and $3.5 million, the necklace went for $4.3 million Wednesday.
Notably, the “Ana Maria Pearl,” the historic 30.24-carat pearl that Swiss gem lab SSEF radiocarbon age-dated prior to the jewelry auction, failed to sell Wednesday.
The Christie’s Magnificent Jewels sale totaled $62.6 million. To see the full results, visit the auction house’s website.
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