This is a beautiful Art Deco ring set with a square cut Ceylonese sapphire, surrounded by twelve old cut pave set diamonds. The mount is made from platinum leading to knife edge shoulders and half round shank in 18ct yellow gold. This treasure has a lovely flat profile which makes it both comfortable and practical to wear. 
C.1930
Total diamond weight 0.34ct
Weight: 2.3 grams
Size: N 1/2