Vintage Engagement ring, Yellow and White Gold filigree with 7 early Brilliant cut Diamonds

18 carat Yellow and White Gold 7 stone Diamond ring Seven round Brilliant cut Diamonds White Gold shared claw set in round cluster with pierced out gallery and shoulders on a 1/2 round 1.35 mm band Diamonds: 1 @ 2.9 mm = 0,10 carats GSI 6 @ 2.4 mm = 0.30 carats GSI Total ring weight = 4.07 grams Manufacture: Cast