細節
A SAPPHIRE AND DIAMOND RING
Set with an oval-cut sapphire, weighing approximately 12.74 carats, within a baguette and marquise-cut diamond bombé abstract surround, 1960s, ring size 5 ¾, mounted in platinum
By Vaillant & Duverne
Accompanied by report no. 63791 dated 1 June 2012 from the SSEF Swiss Gemmological Institute stating that the origin of the sapphire is Sri Lanka (Ceylon), with no indications of heating.