Ethiopian Opal Necklace, Platinum Chain Length: 40cm Markings: Chain (Pt850), Back of Top (0.6 0.02) Opal: 0.6ct Diamond (one on top of the opal): 0.02ct Total Weight: 1.25g Condition: Unused, stored at home The chain can be detached from the top. There is a certificate of authenticity, but it cannot be included due to personal information. If you would like, I can include it with the personal information section cut out (though it will likely lose its meaning). Please comment if you would like this. Returns are not accepted to prevent switching of items. If you have any questions, please comment before purchasing. Instant purchase is welcome, and it will be shipped via Nekopos (a Japanese delivery service). Material: Platinum