9ct Yellow Gold Opal Five Stone Eternity Ring Size M 1/2 Hallmarked
9ct = 375 = 9k = 9kt. Is this item hallmarked?. Gemstone Type : Opal. Gemstone Creation : All stones are real/natural. Main Stone Size : 4.1mm. Band Width : 2.5mm. Looking to have a ring sized?. Gold & Platinum Purity Reference .