"Old French "trilogy" Ring With Ruby And Diamonds 0.34ct"
An old French ring with a timeless shape, called a trilogy A magnificent pink-red ruby placed in the center weighing 0.25 ct surrounded by two brilliant brilliant-cut diamonds (color/purity HI/VS2) with a total weight of 0.34 ct 0.750 yellow gold ring (French hallmark stamped on rail) Item weight: 5.43 g Ring size: 10 (16 mm) (US 5.25) - it is possible to adjust the ring size A diamond appraiser certificate is included with purchase. 
Le Magazine de PROANTIC
TRÉSORS Magazine
Rivista Artiquariato