Rare African Sugilite & Sterling Silver Ring Size 7.75 Rare Natural Sugilite; Diameter: 0.85" .925 Sterling Silver; Weight: 5.1 grams 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.