A white gold (750) ring set with a faceted oval cushion-cut sapphire in a surround of claw-set brilliant-cut diamonds and small rail-set baguette diamonds on the shoulder. Gross weight: 7.9 g. - Finger circumference: 57. Enclosed is a certificate from the Istituto Gemmologico Nazionale dated July 15, 2022, stating : Ceylon sapphire no indication of thermal treatment, approx. 3.20 cts. With reduction ring.