Zydo 1 row blue sapphire diamond stretch bracelet in white gold. Single-Row Stretch Bracelet In Blue Sapphires With Diamonds Accents In 18Kt White Gold. One Size. Special Sizes Available Upon Special Order. Spring Made Of Special Alloy Is The Internal Structure That Gives It The Stretch Characteristic. 4.0O Ct Blue Sapphires 0.23 Ct White Diamonds F/Vs18K White Gold