Platinum Art Deco ring with an old cut diamond of estimated weight 0.91ct graded as colour I-J clarity SI1 bezel set to the square shaped top with a French cut triangular blue sapphire to each corner on a scrolled pierced gallery with small diamonds to the undergallery and shoulders and an engraved band.
Total Estimated Diamond Weight: 1.11ct
Weight: 3.32grams
Age: C1920