18ct White Gold 0.10ct Diamond Eternity Wishbone Ring Size M Hallmarked

18ct = 750 = 18k = 18kt. 10ct = 417 = 10k = 10kt. Is this item hallmarked?. Gold & Platinum Purity Reference Looking to have a ring sized?. Gemstone Type : Diamond. Platinum = 950 = PT950 = Plat. Band Width : 2mm.

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