Crafted in premium 925 Sterling Silver, the Cassia O-Chain Necklace showcases an exquisite arrangement of multicolor gemstones including Blue Sapphire (5×2.5mm), Pink Sapphire (3.0mm), Yellow Sapphire (3.0mm), Black Spinel (2.5×2.5mm), and Green Nano Stone (2×2mm). This hypoallergenic 3.3g piece features a 45cm chain with 5cm extension. Suitable for various occasions, this fine jewelry combines sophisticated craftsmanship with contemporary design elements. Each necklace undergoes rigorous quality control and includes complete packaging.