BULGARI, Astral Collection: diamond gold ring

18k white gold, three ribbons with central ring and diamond buckle motif. 
N. 51 diamonds round shaped, brilliant cut, approx. 0.60 ct; E_F; IF-VVS. 
Hallmarked "750 - MADE IN ITALY - BVLGARI - 2937 AL".
IT size 19 - US size 9. Height 1.6 cm. Weight 10.45 g.
item condition grading: ***** excellent.