750 ° / °° yellow gold solitaire ring with 1 brilliant cut diamond with an international GIA certificate weighing ct. 0.90, color F purity VS2, from Very Good, Excellent, Excellent cut. Laserscribe engraving of the certificate number on the stone. GIA international certificate, n.10 brilliant-cut diamonds totaling 0.10 ct and 40 emeralds totaling 0.40 ct. Biffigioielli guarantee.