A Mitsukoshi black opal and diamond ring. The black opal in good condition displays vibrant green play-of-color as the angle changes. High-quality diamonds add brilliance, and the classic design and beautiful craftsmanship make this piece suitable for both Western and Japanese attire. Markings: Mitsukoshi mark, Pt900, 1.56, 0.27 Materials: Platinum, black opal 1.56, diamond 0.27ct Size: Approximately size 14.8 (between size 14.5 and 15) Design portion: Approximately 1.3cm long, 1.5cm wide Weight: Approximately 6.7g Accessories: Mini card (UGL) In very beautiful condition since arrival. Colored stone jewelry ˗ˏˋ #mare_CSJewelry ˎˊ˗