Lot 214. Impressive 8.59 carats Mogok, Burmese cushion-shaped ruby and diamond pendent necklace. Estimate HK$9,800,000 - 13,800,000 (US$1,260,000 - 1,770,000) &  Lot 215. 7.39 carats Mogok, Burmese oval ruby and diamond ring. Estimate HK$2,800,000 - 4,800,000 (US$360,000 - 615,000). Courtesy Tiancheng International.

Lot 214. Impressive 8.59 carats Mogok, Burmese cushion-shaped ruby and diamond pendent necklace. Estimate HK$9,800,000 - 13,800,000 (US$1,260,000 - 1,770,000). Courtesy Tiancheng International.

The pendant centring on a cushion-shaped ruby weighing 8.59 carats, framed by pear- and marquise-shaped diamonds, to the necklace set with pear-shaped and brilliant-cut diamonds, the diamonds together weighing approximately 34.80 carats, mounted in platinum and 18 karat yellow gold, length approximately 400mm. 

Accompanied by Gübelin report numbered 16021054, dated 23 February 2016, stating that the 8.59 carat ruby is natural, Red colour, of Burmese origin, with no indications of heating; along with an information sheet, stating that 'Within Burma (Myanmar), the most famed region is the Mogok Valley, or Mogok Stone Tract...Mogok-type rubies typically possess a red body colour and red UV-fluorescence. In addition, they may contain tiny amounts of light-scattering rutile silk and a swirl-like growth pattern. It is this combination of features which gives these rubies their characteristic appearance.'; 

GIA report numbered 6172890769, dated 18 February 2016, stating that the 8.59 carat ruby is natural, Red colour, of Burmese origin, with no indications of heating; 

Lot 215. 7.39 carats Mogok, Burmese oval ruby and diamond ring. Estimate HK$2,800,000 - 4,800,000 (US$360,000 - 615,000). Courtesy Tiancheng International.

Centring on an oval ruby weighing 7.39 carats, decorated with pear- and marquise-shaped diamonds together weighing approximately 5.60 carats, mounted in platinum. Ring size: 5¾ 

Accompanied by Gübelin report numbered 16021053, dated 25 February 2016, stating that the 7.39 carat ruby is natural, Red colour, of Burmese origin, with no indications of heating; along with an information sheet, stating that 'Within Burma (Myanmar), the most famed region is the Mogok Valley, or Mogok Stone Tract...Mogok-type rubies typically possess a red body colour and red UV-fluorescence. In addition, they may contain tiny amounts of light-scattering rutile silk and a swirl-like growth pattern. It is this combination of features which gives these rubies their characteristic appearance.'; and another information sheet, stating that 'The demand for natural, unheated rubies kept growing while the supply of such gems remains highly limited, making large, natural rubies of gem-quality from all major sources...difficult to find.';