"Art Deco Rectangle Ring With 4.40 Carat Sapphire Surrounded By Diamonds On Yellow Gold And Platinum"
Rectangular 18K yellow gold and platinum engagement ring (hallmarks: owl and mascaron), the center of which is set with a rectangular, hard-cornered natural sapphire (probable origin: Siam) weighing approximately 4.40 carats, surrounded by old-cut diamonds. Total diamond weight estimated at approximately 0.70 carats. Art Deco work, circa 1920. Gross weight: 4.81g. Motif height: 1.80 cm. Motif width: 1.30 cm. Ring size: 55 (diameter 17.50 / US 7.15). Condition: very slight micro-scratches on the gold and platinum parts, and slight wear to the setting, see photos.