Ethiopian genuine faceted opal & sterling EUC solitaire ring w/ gemstone setting

Ethiopian genuine faceted opal & sterling EUC solitaire ring with gemstones in halo style setting Fabulous play of color in this genuine opal solitaire appx. 10mm x 8mm. Set in 925 marked sterling with natural topaz or zircon gemstones (not cubic zirconia). Sz 5-3/4. Looks like barely, if ever, worn. 1 or 2 tiny marks on back band measures appx. 1/8” width Pet and smoke free environment