Important ruby and diamond ring, Cindy Chao. Photo: Sotheby's

Of ribbon floral motif design, centring on an oval ruby weighing 8.03 carats, highlighted with two cushion-shaped diamonds weighing 1.62 and 1.04 carats respectively, embellished by pavé-set brilliant-cut diamonds and circular-cut rubies together weighing approximately 8.20 carats, mounted in 18 karat white and blackened gold. Ring size: 4¾. Estimate  28,000,000 — 33,000,000 HKD

Accompanied by Gübelin and SSEF reports numbered 1006668 and 57146 respectively, dated 1 July 2010 and 30 August 2010, stating that the 8.03 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. Further accompanied by Gübelin appendix, stating that the ruby is from the most famed Mogok Valley and 'possesses a richly saturated and homogeneous colour, combined with a high degree of transparency, and a finely proportioned cut". Also accompanied by SSEF appendix letter stating that this exceptional ruby "represents a great rarity and the described gemstone with its combination of outstanding characteristics is thus a very exceptional treasure."

Sotheby's. Magnificent Jewels and Jadeite. Hong Kong | 07 Oct 2013- http://www.sothebys.com