Lot 1723
1723
Items which contain rubies or jadeite originating … Read more A GLOWING CABOCHON In over 2000 years of mining, the finest jadeite has only ever been found in what is today Northern Burma. In colour, it displays a vivid emerald green, pure and penetrating, with an intense saturation and a tone that is neither too dark, nor too light. This exceptional 'old mine' (lao keng) material is exceedingly rare and extremely difficult to source in the market today. Complemented by a fine texture, it also exhibits a highly-desirable vitreous translucency. Offered as Lot 1723, this jadeite cabochon ring is an excellent example of this superior quality. When highly translucent jadeite is polished into a high-domed cabochon, the jadeite material will display unique optical effects. This phenomenon is a result of light concentrating at the base of the cabochon and then reflecting so that the gem glows with a soft radiance. The present jadeite stone is the ideal material for its cabochon form. Double-sided and with a bottom that is slightly curved, the stone exhibits a gleam that appears to come from a point - like a bulb. Not all gem-quality jadeite cabochons can achieve this effect, making the present stone exceptional. Most jadeite cabochons are cut flat and backed with a reflective spoon-shaped metal reflector in order to imitate that special glow of better material such as those of the 'old mine' quality - as represented by Lot 1723. Shaped as a perfectly proportioned 'ginko' nut, this graceful jewel displays the very desirable glow from all four directions without the aid of any metal backing. The stone reveals a vivacity that is unrivalled, and radiates a particularly beautiful and vivid emerald green hue, a highly-collectable imperial colour once favoured by the Empress Dowager Cixi herself.
AN EXCEPTIONAL JADEITE AND DIAMOND RING

Details
AN EXCEPTIONAL JADEITE AND DIAMOND RING
Set with a high-domed oval jadeite double cabochon of very even vivid emerald green colour and glassy translucency, enhanced by brilliant-cut diamond detail, mounted in platinum, cabochon approximately 22.44 x 15.03 x 11.22 mm, ring size 7¼

Accompanied by report no. KJ41925 dated 20 March 2009 from the Hong Kong Jade & Stone Laboratory stating that the cabochon is natural jadeite and no polymer is detected
Special Notice
Items which contain rubies or jadeite originating in Burma (Myanmar) may not be imported into the U.S. As a convenience to our bidders, we have marked these lots with Y. Please be advised that a purchaser¹s inability to import any such item into the U.S. or any other country shall not constitute grounds for non-payment or cancellation of the sale. With respect to items that contain any other types of gemstones originating in Burma (e.g., sapphires), such items may be imported into the U.S., provided that the gemstones have been mounted or incorporated into jewellery outside of Burma and provided that the setting is not of a temporary nature (e.g., a string).

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Lot Essay

US$710,000-1,000,000

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