The brilliant-cut diamond, weighing 0.91 carat, in collet-setting, ring size O½
Estimate:
£2,200 - 2,800
2,600 - 3,300
US$ 3,400 - 4,300
Footnotes
Accompanied by a certificate from the International Gemmological Institute stating that the diamond is H colour, IF clarity. Certificate number F2B18987, dated 10th March 1992.