Lot 1797. Fine 6.01 carats "pigeon's blood red" Burmese ruby and diamond ring. Estimate 4,700,000 — 6,000,000 HKD. Lot sold 5,660,000 HKD. Photo: Sotheby's 2011.

Centring on an oval ruby weighing 6.01 carats, surrounded by marquise-shaped diamonds together weighing approximately 2.50 carats, highlighted by circular-cut yellow diamonds, mounted in 18 karat white and yellow gold. 

Ring size: 5¾

Accompanied by Gübelin report numbered 0706528, dated 29 June 2007, stating that the 6.01 carat ruby is natural, of Burmese (Myanmar) origin, with no indications of heating. This colour variety of ruby may also be called "pigeon's blood red" in the trade; also accompanied by an appendix stating that this ruby "possesses a saturated and homogeneous colour, combined with a high degree of transparency. Such a combination of characteristics is rare in natural rubies of this size."

Sotheby's. Jewels and Jadeite, Hong Kong, 06 Apr 2011