18k yellow gold, set with one round brilliant-cut diamond, 0.04 ct, E-F, VVS. Signed BVLGARI.Hallmarked "AU - 750 - YM71 - 230326 - SYSJ - 556 VI - MADE IN ITALY". IT size 16.5 - US size 8. Weight 7 g.Item condition grading: ***** excellent.