Platinum French Art Deco Diamond Ring

The geometric charm of this Art Deco ring is highlighted by the straight lines and square set diamonds.
This ring is made in platinum and comes from 1940s, and very unique in design. The ring bears French hallmarks , at the outer shank.
Main Diamond: x 1= 0.35ct, 4.50mm x 4.55mm x 2.65mm, estimated whilst set, bead set in a square frame, colour H -I, clarity SI-2 . Old European cut.
Surround Diamonds: x 6 = 0.36ctw,graduated 2.31mm – 2.75mm diameter estimated whilst set, colour H-J, clarity SI-2 – I-1. Old European cut.
The ring measures 20mm in width and 6mm in length, 5mm in height, whilst worn on the finger.
Finger H
Independent valuation included.