Art Deco 18ct Yellow Gold and Platinum Sapphire and Diamond Ring

1 Sapphire, 3.6 x 3.4 x 2.16mm, weight: 0.20ct
13 Diamonds, 1.8 to 2.2mm, total weight: 0.17ct

Ring Weight: 1.7 grams, width: 8.8mm, height: 3.2mm, size: G 1/2