Thank you for looking. This is a sapphire diamond ring, pt900, S0.58, D0.2, size 12. This item was passed down from my grandmother. It was purchased at Kyoto Daimaru in December 1981. It is a relatively clean item with no signs of use. The outer box has some scuffs and dirt. Please judge by looking carefully at the photos. Sapphire diamond ring Weight: 4.2g Size: 12 Diamond: 0.2ct Sapphire: 0.58ct Material: Platinum 900 Original case Appraisal certificate and Daimaru warranty (faded) A classic platinum ring adorned with a deep blue sapphire and diamonds. - Main stone: Sapphire - Sapphire color: Deep blue - Sub-stone: Diamond - Ring material: Platinum 900 - Design: Classic style - Ring cut: Oval cut ◼️ It will be shipped via Yu-Packet Plus, wrapped in bubble wrap.