A ruby and diamond dress ring. Photo courtesy Bonhams.

The pear-shaped cabochon ruby, weighing 9.06 carats, within an elaborate surround of marquise and pear-shaped diamonds, to a delicate hoop set with brilliant-cut diamonds, diamonds approximately 7.50 carats total, ring size 7¾. Estimate HK$  520,000 - 620,000 (50,000 - 59,000)

Accompanied by a GIA report stating that the natural ruby is of "Pigeon's Blood" colour, has indications of heating and originates from Burma (Myanmar). Report number 6145804850, dated 13 March 2013.

Bonhams. FINE CHINESE CERAMICS AND WORKS OF ART. Hong Kong. 24 Nov 2013 14:00 CST