Art Deco halo ring with calibrated diamonds and sapphires

Engagement ring in 18Kt yellow gold and platinum (hallmark: eagle's head) adorned in its center with an old cushion-cut diamond weighing approximately 0.65 Ct (estimated color I, estimated purity SI), in a setting of calibrated sapphires (total weight estimated at approximately 0.30 Ct), and 8x8 cut diamonds (total weight estimated at approximately 0.25 Ct). Art Deco work, France, circa 1920. Numbering inside the ring. Gross weight: 2.92g Pattern height: 1.30 cm Finger size: 53 (diameter 16.75 / US 6.30). Condition: very slight micro scratches on the gold and platinum parts, natural inclusions of the stones, and slight wear of the setting, see photos. We find in the Art Deco style some scents of the Belle Epoque as evidenced by our jewel. A target ring with the characteristic geometry of the Roaring Twenties coupled with the delicacy of the beginning of the Century . All our engagement rings.