A sapphire and diamond dress ring. Photo courtesy Bonhams.

The raised cushion-shaped sapphire, weighing 44.16 carats, within a textured surround set with brilliant-cut diamonds, diamonds approximately 6.05 carats total, ring size 4. Estimate HK$ 1.2 million - 1.6 million (€110,000 - 150,000)

Accompanied by a AGL American Gemmological Laboratories report stating that the natural sapphire has no indications of heat treatment and originates from Sri Lanka (Ceylon). Report number CS 56428, dated 23 August 2013. 

Accompanied by a GIA report stating that the natural sapphire has no indications of heat treatment and originates from Sri Lanka (Ceylon). Report number 5121608937, dated 22 September 2010.  

Bonhams. FINE JEWELLERY & JADEITE. Hong Kong 23 Nov 2013 14:00 CST