Bow Brooch Bow Brooch In platinum, centred on an oval cabochon ruby, the ribbon set with rose-cut diamonds and diamond-shaped onyx French work circa 1910 Weight of the ruby: approx. 1.30 ct Length: 5.7 cm, Gross weight: 8.90 g Gem Paris certificate (2024): origin Burma, no alterations or treatment observed An approx. 1.30 ct ruby, diamond, onyx and platinum Bow brooch, French work circa 1910 Gem Paris Certificate: Burma origin, no indications of modification or treatment CONDITION REPORT : Good condition, patina of use Size of ruby: 6.5 x 5.7 x 3.3 mm CONDITION REPORT : Good condition, usual wear Meas. of the ruby : 6.5 x 5.7 x 3.3 mm