Yasuko Azuma 18kt yellow gold opal and ruby stud earring
From Farfetch
18kt yellow gold polished finish stud design bezel setting round cut ruby claw/prong setting round cut opal post-back fastening for pierced ears This is a single earring. Normal everyday use and external agents may reduce the lustre of gemstones and gold surfaces. To maintain, use specific, non-abrasive products specially meant for cleaning jewellery.