"Gold And Platinum Ring, Diamonds, Belle Epoque."
Ring in yellow gold and platinum, center decorated with a closed-set old-cut cushion-shaped diamond of approximately 1.05 carat. Scalloped surround set with 10 old-cut diamonds for a weight of approximately 0.80 carat. Circa 1910 Weight: 3.55grs Adjustable finger size 59 Ring diameter: 12.30mmx 11.50mm. Beautiful quality diamonds with beautiful shine. 
Le Magazine de PROANTIC
TRÉSORS Magazine
Rivista Artiquariato