Black rhodium plated sterling. Post back closure. RED VERSION:. Black enamel. 104 Red sapphires: 4.21ctw . 4 Amethysts. YELLOW VERSION:. Black enamel. 104 Yellow sapphires: 4.21ctw. 4 Blue topaz. MULTI-COLOURED VERSION:. Mid-day blue enamel. 4 Blue topaz: 1.90ctw. 104 Multicoloured sapphires: 4.21ctw. Weight: 13.47gr