Gemstone Name: Ethiopian Black Opal/ Necklace Length : 45CM Approx With 925 Sterling Silver Lobster Lock/Gemstone Shape: Rondelle Faceted / Gemstone Size : 4MM Approx / We also accept bulk orders which you will get on whole sale price / Free Customization Available / IF YOU have any question, please post into "Customer Questions & Answers" below the "Product specifications", we will update you there. 【BEAUTY FOR YOUR DECORATION】Every single bead has been manufactured in the highest of process standards; as a result, every bead comes out spectacular and glorious looking. Wide applications are waiting for you to explore, the beads are excellent for necklace, bracelets, earrings etc. 【EXCELLENT GIFT】---Perfect for any gift giving occasion, great gifts for her, gifts for wife, women, mom, girl