Zydo rainbow sapphire diamond multi element bracelet in yellow gold. Sirena Stretch Bracelet In 18Kt Yellow Gold With Multi Color Sapphires And White Diamonds. Sirena Is The Italian Word For Mermaid. One Size. Special Sizes Available Upon Special Order. Spring Made Of Special Alloy Is The Internal Structure That Gives It The Stretch Characteristic7.73 Ct Sapphires 1.22 Ct Tsavorite 0.77 Ct White Diamonds F/Vs18K Yellow Gold