Bushells Antiques has dated this piece to the 1930s.
02 points to 0.08 points with a combined diamond weight off approximately one carat of diamonds.

The panel measures 23 mm x 13.5mm. A good solid heavy ring being 7.8 grams. This fine 1ct Diamond Cluster Navette Boat Ring ring is of exceptional gauge and is in excellent condition with no faults and is ready to wear.
Bushells Antiques has dated this piece to the 1930s.
Fine art, porcelain, jewellery, silver, clocks, pictures, oriental objects d’art and furniture
You can view the stock and full dealer information on the Bushells Antiques Profile Page