【Hong Kong】Sotheby’s Hong Kong Sale Rakes In $28.7M

Editor’s Note

A Kashmir sapphire ring fetched $2.4 million at a recent Sotheby’s Hong Kong sale, leading a high jewelry auction that realized $28.7 million.

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Auction Highlights

A 12.56-carat sapphire and diamond ring took the center stage at a recent Sotheby’s auction in Hong Kong, selling for HKD 18.7 million ($2.4 million), within its estimates.

The piece, which bears a cushion-shaped, royal-blue Kashmir sapphire between two trapeze-shaped diamonds, was the top lot at the September 19 High Jewelry sale, according to the auction house’s website.

In total, the sale garnered HKD 223.8 million ($28.7 million). The lots included colored diamonds and gemstones, and pieces from famous design houses such as Bulgari, Cartier, Graff and de Grisogono.

Top Lots Details

Here are the rest of the top 10 pieces:

– This cut-cornered rectangular mixed-cut, 5.07-carat, fancy-pink, VS1-clarity diamond ring sold for HKD 11.4 million ($1.5 million), just below its high estimate.
– A necklace with 39 graduated intense-green jadeite beads and a brilliant-cut diamond clasp exceeded its upper estimate to fetch HKD 8.3 million ($1.1 million).

“A de Grisogono Luna wristwatch brought in HKD 8.1 million ($1 million), more than seven times its high estimate.”

It has a half moon-shaped dial and bezel featuring brilliant-cut and baguette diamonds. The diamond-set, circular-link strap contains six principal step-cut diamonds, including a 7.10-carat, G-color, VS1-clarity one, as well as circular- and step-cut emeralds.

– This Graff necklace is designed as ribbons of graduated pear-shaped and baguette diamonds, supporting a tassel of pear-shaped diamonds, with stones weighing between 0.90 and 3.01 carats, of D to G color and internally flawless to VS2-clarity. It went under the hammer for HKD 4.4 million ($571,705), beating its HKD 4 million ($514,471) upper presale price.
– This ring features a cut-cornered rectangular modified brilliant-cut, 6.82-carat, fancy-vivid-yellow, VS2-clarity diamond between a pair of half-moon diamonds. It made more than one-and-a-half times its top estimate, bringing in HKD 4.4 million ($571,705).
– A set comprising a ring and earrings carrying oval translucent vivid-green jadeites, with the earrings sporting brilliant-cut diamonds, realized HKD 4.4 million ($571,705), exceeding its HKD 800,000 ($102,894) high estimate.
– Sotheby’s sold this oval, 5.33-carat Mozambican ruby ring for HKD 4.3 million ($555,371), within its price range.
– This ring bears a pear-shaped, 29.75-carat, fancy-intense-yellow, VVS1-clarity diamond between two pear-shaped diamonds. It beat its upper estimate to achieve HKD 4.1 million ($522,702).
– Designed as a convertible jewel, this piece forms either a necklace or a tiara. It has a fringe of oval- and cushion-cut Burmese rubies, each surrounded by old European- and brilliant-cut diamond drops, joined by trios of baguette-cut diamonds. It went for HKD 4.1 million ($522,702), within its presale price range.

Main image: The 12.56-carat sapphire and diamond ring. (Sotheby’s)

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⏰ Published on: September 21, 2025