Tourmaline diamond contrariè gold ring - mark of PONTE VECCHIO GIOIELLI

18k white gold, set with a pair of ova shaped rubellite tourmaline variety approx. 3.00 ct, flanked by round brilliant cut diamonds approx. 0.25 ct, E-F, VVS-VS. Signed "P. V. G.". Hallmarked "750" and "570 FI".
IT size 15 - US size 7 1/2.
Weight 6.4 g.
Item condition grading: **** good.