"Art Deco Ring In Gold Platinum Diamonds And Sapphires"
A beautiful ring, the front part is made around 1930, Art Deco period. Crafted in platinum and 18k white gold. The diamonds weigh approximately 1 carat in total, the center one weighs approximately 0.45. The diameter of the ring measures 13 mm. Ring size is 53 or 6.5 USA. The weight is 3.90 grams. 
Le Magazine
Rivista Artiquariato
TRÉSORS magazine