Ring at yellow gold, paltinium, sapphire and diamonds

Ring antique yellow gold 18Kt and paltinium (hallmarks: owl and mascaron), the center of which is adorned with a sapphire weighing 1.18 Cts (probable origin: Siam) in a surround of diamonds and rose-cut diamonds.

Total weight diamonds estimated at approx. 0.45 Ct.

Early 20th century, circa 1900, Belle Epoque.