A Vintage Art Deco Diamond Platinum Engagement Ring
1920s, probably French, marked with lozenge-shaped maker’s mark
An openwork platinum ring is set with transitional and old cut diamonds.
The center diamond is approximately 0.60 ct.
Estimated total diamond weight 1.70 ct
The diamond top measures 20 x 17 mm (13/16 x 11/16 in.)
Current ring size 8.25 (sizable)