GIA G.G. (Gemological Institute of America Gemologist) Selected Jewelry *Discounts may be possible to a small extent, but significant discounts are not available. Also, items in the title that are marked as "non-discountable" cannot be discounted. Thank you for your understanding. Introducing the mysterious! Pt900/850 Black Opal Diamond Necklace, 5.46g. This necklace features a large, beautiful black opal with a stunning play-of-color effect! When viewed from different angles, the black opal displays beautiful colors such as purple, blue, green, and yellow! It has a very mysterious sparkle (play-of-color effect) that feels like you're being drawn into a small universe! There are no major visible damages, and it is in very good condition. Three diamonds sparkle, enhancing the opal! The metal is Pt900 for the top and Pt850 for the chain, allowing you to enjoy the genuine and pure brilliance! The chain is new!! One-of-a-kind, so don't miss out!! Material: Pt900/850 (stamped) Stones: Black Opal approx. 7.5mm x approx. 10.2mm 2.02ct (stamped) Diamonds 0.04ct (stamped) Weight: Approx. 5.46 grams Top Size: Approx. 12.3mm x approx. 19.9mm (removable) Chain Length: Approx. 40cm and 36cm, two-stage adjustment Accessories: Noble Appraisal Certificate Product Condition: Beautiful! (Chain is new) *Photos are taken on soft paulownia wood to prevent damage to the product. 159900 - ▲ Management 2505 M2307 Material: Platinum