Important Kashmir Sapphire and Diamond Bracelet, Cartier

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Important 7.04 carats Kashmir Sapphire and Diamond Bracelet, CartierEstimate: HK$8,000,000 - 12,000,000 (US$1,030,000 - 1,540,000). Sold for HK$9,440,000. Photo Tiancheng International

The articulated bracelet centring on an oval sapphire weighing 7.04 carats, to a stylised mount decorated with baguette and brilliant-cut diamonds together weighing approximately 10.00 carats, mounted in 18 karat white gold, length approximately 160mm, signed.

Accompanied by SSEF report numbered 77145, dated 17 October 2014, stating that the 7.04 carat sapphire is natural, Blue colour of strong saturation, of Kashmiri origin, with no indications of heating; 

AGL report numbered CS64504, dated 21 November 2014, stating that the 7.04 carat sapphire is natural, Blue colour, of Kashmiri origin, with no indications of heating or clarity enhancement;

Gübelin report numbered 15025167, dated 15 February 2015, stating that the 7.04 carat sapphire is natural, Blue colour, of Kashmiri origin, with no indications of heating; along with an information sheet, stating that "The demand for natural unheated sapphire keeps growing while the supply of such gems remains limited, making large, natural sapphires of gem-quality from all major sources (such as Kashmir, Burma (Myanmar), Sri Lanka, Madagascar and Tanzania) difficult to find".

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Fine 5.17 carats Mozambican  "Pigeon's Blood" Ruby and Diamond ringEstimate: HK$1,850,000 - 2,850,000 (US$238,000 - 365,000). Sold for HK$2,183,000. Photo Tiancheng International

Centring on an oval ruby weighing 5.17 carats, to a stylised mount decorated with oval, bezel-set and circular-cut diamonds, highlighted by calibré-cut rubies, the rubies and diamonds together weighing approximately 3.00 and 2.60 carats respectively, mounted in 18 karat white gold. Ring size: 6¼

Accompanied by Lotus report numbered 4969-9362, dated 17 December 2014, stating that the 5.17 carat ruby is natural, Red colour of vivid saturation and medium-deep tone, the intense crimson color of this gem earns it the Lotus "Pigeon's Blood" distinction, of Mozambican origin, with no indication of enhancement;

GRS report numbered GRS2014-101662, dated 15 October 2014, stating that the 5.17 carat ruby is natural, Vivid Red colour, of Mozambican origin, with no indication of thermal treatment; along with an appendix stating that this vivid red Mozambique ruby is reminiscent in color saturation of "GRS-type Pigeon Blood ruby".

Tiancheng InternationalJewellery and Jadeite Spring Auction 2015.