Product Details: Black Opal Ring Material: Pt900 Center Stone: BO 1.44ct Side Stones: D 0.77ct Weight: 8.2g Size: Approximately 11.5 (Japanese size), Maximum width: 15.6mm Accessories: GRJ Sorting Report, Our Case Comments: A ring featuring a black opal that displays various play-of-color effects such as blue, green, red, and yellow. High-quality melee diamonds with excellent transparency are set around the center stone. 【DSK0475】 Source of Purchase: Purchased from domestic antique markets and domestic brand markets Authorized retailers Items purchased at our store (appraised and polished before listing) Antique Dealer License Number: Osaka Prefectural Public Safety Commission No. 622091007044