Antique Edwardian / Art Deco Engagement Ring with 1.50 Carat Old European Cut Diamond Center

Date: 1910s-1920s

Design information: late Edwardian; Art Deco; ornate open-filigree, hand-engraving, and milgrain; excellent craftsmanship

Materials: platinum; diamonds

Size: a 6 1/2

Diamonds: 1.80 ctw (est)
     Center: 1.50 carat (weighed) Old European Cut diamond; MN color (faces up whiter); VVS clarity; a beautifully-performing stone
     Accents: .30 ctw (est); old Single Cut diamonds