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Nearly 13-Carat Kashmir Sapphire Ring Up for Sale
The ring was kept in a family’s bank vault and initially appraised at less than $10,000.
This ring is set with a 12.92-carat Kashmir sapphire and is expected to lead Bonhams’ Hong Kong jewelry sale next month, with an estimated sale price of $120,000 to $510,000. (© Bonhams, © Mark French Photography)
Hong Kong--A sapphire and diamond ring dug out of a safe and initially appraised at less than $10,000 could sell for half a million or more at Bonhams’ May jewelry sale in Hong Kong.
Kept in a family’s bank vault after, Bonhams believes, it was purchased in the 1980s as a 30th anniversary present, the 12.92-carat sapphire ring was estimated by other auction houses to be worth $3,800 to $6,300.
But, Bonhams said, the auction houses missed a key component in assessing the piece—the center stone is a Kashmir sapphire, which is a gemstone that’s rare and collectible, especially in this size.
“Sapphires were first discovered in Kashmir around 1880, but most Kashmir mines rapidly depleted soon after,” said Graeme Thompson, Bonhams director of jewelry in Asia. “Termed as ‘blue velvet’ due to the superiority of their superb cornflower-blue hue, most Kashmir sapphires that appear on the market today were discovered more than 100 years ago.”
According to Bonhams, it was Thompson who caught the fact that the center stone might be a Kashmir and sent it to Swiss labs SSEF and Gübelin for further testing, which confirmed it was a no-heat Kashmir sapphire.
With an estimated sale price of $120,000 to $510,000, the ring is expected to lead Bonhams’ May 27 Rare Jewels and Jadeite sale in Hong Kong. The sale is comprised of 168 lots.
Aside from the Kashmir sapphire ring, the auction includes signed pieces from Harry Winston, Cartier, Van Cleef & Arpels, as well as colored gemstones and natural color diamonds.
Previews will take place in Taiwan on May 1 and 2, in Singapore from May 17 to 19, and in Hong Kong from May 23 to 26.
Click through the slideshow below to see five more pieces from the auction.
Among the fancy color diamonds in the sale is this ring, set with a 1.77-carat pear-shaped fancy dark gray-blue diamond. It is estimated to sell for between $200,000 and $382,000. (© Bonhams, © Mark French Photography)
Among the signed pieces in the auction is this ring by Harry Winston set with a 27.91-carat emerald ($200,000 to $280,000). (© Bonhams, © Mark French Photography)
The same collector is selling this ring set with an 8.56-carat no-oil Colombian emerald and diamonds ($635,000 to $765,000). © Bonhams, © Mark French Photography
Outside of the Kashmir sapphire, the auction includes this “pigeon’s blood” red 4.01-carat Burmese ruby and diamond ring, estimated to sell for as much as $635,000. Bonhams said a private Asian collector bought the ring at auction in Hong Kong last May but wants to sell because prices have increased substantially. (© Bonhams, © Mark French Photography)
This necklace features diamonds and a 36.68-carat pear-shaped spinel and is estimated to sell for $380,000 to $630,000. Bonhams said that interest in spinel is up among collectors, and noted that it still holds the record for a faceted spinel sold at auction with the 50.13-carat step-cut stone that went for $1.5 million in April 2015. (© Bonhams, © Mark French Photography)
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