'Hidden Treasure' Sterling Silver Rare Rough Ethiopian Opal Pendant Rare Rough Ethiopian Opal; Length: 1.85" solid .925 Sterling Silver; Weight: 9 grams; Inner Bail Diameter: 6 mm Genuine Stone. Each item comes shipped in a jewelry box. You are looking at a one of a kind piece, the pictured jewelry will be the same exact piece you'll receive. Each item is designed and handcrafted by our artisans.