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Cartier sapphire ring to lead Christie’s Hong Kong auction

Cartier Sapphire Ring Leads Christie's Hong Kong Magnificent Jewels Sale at $6.4 Million A 21.05-carat Kashmir sapphire and diamond ring created by Cartier will lead Christie’s upcoming Magnificent Jewels auction in Hong Kong, with pre-sale estimates reaching up…

The Cartier 21.05-carat sapphire ring leading the sale at Christie

Cartier Sapphire Ring Leads Christie’s Hong Kong Magnificent Jewels Sale at $6.4 Million

A 21.05-carat Kashmir sapphire and diamond ring created by Cartier will lead Christie’s upcoming Magnificent Jewels auction in Hong Kong, with pre-sale estimates reaching up to $6.4 million. The high-profile piece anchors a collection of more than 120 items slated for the auction block on November 24 during Hong Kong Luxury Week, according to the auction house.

The headline-grabbing Cartier ring joins a slate of high-value coloured diamonds and rare gemstones. Among them is the Pink Petal, a pear-shaped, 8.41-carat fancy-vivid-purple-pink diamond ring expected to fetch up to $12 million. A Cartier brooch featuring a 10.10-carat Burmese ruby and diamonds carries a high estimate of $7.7 million.

November Catalogue Features Rare Jadeite and Sapphires

The November catalogue features a diverse array of colored stones, jadeite, and signed historical pieces. A necklace featuring 33 jadeite beads and a diamond clasp holds an estimate between $2.5 million and $3.8 million. A pendant comprising a 100.16-carat Burmese royal blue sapphire with diamond accent stones is estimated at $2.3 million to $3.6 million, while a rare jadeite bangle is valued between $1.2 million and $1.9 million.

Additional highlights include a ring centered on a 5.03-carat pigeon’s blood Burmese ruby in a diamond surround, estimated at $1.1 million to $1.5 million, and a matching set featuring jadeite center stones and diamonds valued between $830,000 and $1.5 million. Signed vintage items feature prominently in the catalogue, including a 1980s Van Cleef & Arpels mystery-set necklace with a floral motif of rubies, emeralds, and diamonds carrying an estimate of $710,000 to $1.1 million.

Auction Offers Jewelry Owned by Duchess of Windsor

The auction also incorporates historical provenance, offering a pair of natural pearl and diamond earrings designed by Van Cleef & Arpels in 1957 for the Duchess of Windsor. The earrings, later owned by US fashion designer Calvin Klein, are estimated at $260,000 to $380,000. Other historical pieces include a Cartier Baby Panthère brooch valued at $450,000 to $700,000, an 18.20-carat Colombian emerald ring estimated at $500,000 to $830,000, and a Van Cleef & Arpels ruby and diamond mystery-set floral brooch estimated at $450,000 to $700,000.

Spring sales managed by the auction house in Hong Kong featured similarly high-value centrepieces, including a 3.44-carat fancy-vivid-purplish-pink diamond known as the Bubble Gum Pink, which carried a pre-sale estimate of $6 million to $8 million ahead of a May 28 auction reported by Rapaport. Vickie Sek, chairman of Christie’s jewelry for Asia, noted that the spring offerings of fancy-vivid-blue and pink diamonds alongside major emeralds were bound to draw strong collector interest worldwide.

About the author: Anika Shah - Technology

MSc in Computer Science, senior reporter. Anika focuses on AI ethics, cybersecurity, and emerging hardware—frequently moderating panels at CES and Web Summit. “Anika Shah decodes tech breakthroughs and startup disruption shaping tomorrow’s digital landscape.”