A yellow sapphire and diamond ring, the oval yellow sapphire flanked with pairs of circular-cut

A yellow sapphire and diamond ring, the oval yellow sapphire flanked with pairs of circular-cut diamonds in white gold, stamped 18ct, size L

Accompanied by report number 22193 from the Gem & Pearl Laboratory, dated 1st October 2022, stating that the yellow oval sapphire measuring 14.5 x 11.4 x 8.3mm is of Sri Lankan (Ceylon) origin, with no indications of heat treatment