"Sapphire Cabochon And Diamonds Ring"
Circular and openwork ring in gray and yellow gold, centered with a cabochon of daphir in sugar loaf and surrounded by old cut diamonds in closed setting. Weight of about 1.2 ct diamonds and about 2 ct sapphire. Weight: 5.1 gr. Size: 57 (modifiable). 
Le Magazine de PROANTIC
TRÉSORS Magazine
Rivista Artiquariato