Yellow diamonds are exceedingly rare — out of about 16,500ct of diamonds mined, approximately 1ct is a yellow diamond — and the Tiancheng International Jewellery and Jadeite Autumn Auction, taking place in Hong Kong on November 28, represents a unique opportunity to acquire such extraordinary diamonds and highly sought after coloured gemstones and jadeite jewels.
Key pieces going under the hammer include a 6.70-ct Natural Fancy Deep Yellow VS1 Clarity diamond ring, a 10.18-ct D Colour Internally Flawless Type IIa diamond, a pair of jadeite double hoop earrings, and a jadeite pendant that depicts the Goddess of Mercy, Guanyin.
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[Lot 134] 10.18-ct D Colour Internally Flawless Type IIa Excellent Polish and Symmetry Diamond Ring.
Estimate: HK$ 6,000,000 – 9,000,000 / US$ 770,000 – 1,150,000 -
[Lot 41] Jadeite Double Hoop and Diamond Earrings.
Estimate: HK$ 2,200,000 – 3,200,000 / US$ 282,000 – 410,000
In particular, the 6.70-ct yellow diamond is an unparalleled specimen derived from the Zimmi mine in southern Sierra Leone, a source famed for yellow diamonds that exhibit an exuberant hue with a rare tangerine tinge. Still, a yellow diamond larger than 5ct is a remarkably uncommon find at the Zimmi mine, making this lot one to watch.
In the jadeite category, the earrings set with diamonds and bearing interlocking jadeite hoops demonstrate unsurpassed craftsmanship and unparalleled jadeite quality, a culmination of the prowess of nature and man.
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[Lot 107] 34.63-ct Natural Colombian Emerald, Emerald and Diamond Earrings, Barney Cheng. Other emeralds and diamonds together weighing approx. 39.15ct and 16.29ct respectively.
Estimate: HK$ 1,680,000 – 2,680,000 / US$ 215,000 – 344,000 -
[Lot 64] 6.54-ct Natural Brazilian Paraiba Tourmaline and Diamond Ring.
Estimate: HK$ 2,880,000 – 3,880,000 / US$ 369,500 – 498,000
Other exceptional jewels to look forward to include the cascading earrings bearing 34.63ct of natural Colombian emerald, created by Hong Kong designer Barney Cheng, and the 6.54-ct natural Brazilian paraiba tourmaline and diamond ring, highly valuable not only for the stone’s neon hue but also for its rarity — output of paraiba tourmalines from the Brazilian mines has dwindled precipitously, and crystals weighing more than 5ct are particularly scarce.
“While the market readjusts in the current economic climate, Tiancheng International has spared no effort in sourcing refined jewels for the autumn sale,” says Connie Huang, head of Tiancheng International’s Jewellery Department. “Apart from exquisite gemstones and jadeite traditionally seen at auction, we are delighted to present a wide selection of jewellery from some of the most prominent jewellers, as well as mesmerising designer pieces, catering to the finest tastes of every aficionado.”
Here’s a preview of the key lots and other highlights of the Tiancheng International auction.
The Tiancheng International Jewellery and Jadeite Autumn Auction will take place on Saturday 28 November 2020 at 1pm. The preview of the auction will be held from 25 to 27 November, 10am to 6pm. Both will take place at 30/F Bank of China Tower, 1 Garden Road, Central, Hong Kong. +852 2150 0700.
For more information, visit the Tiancheng International website or email , or follow them on Facebook and Instagram.