silver medium tapered 'erin' oval brilliant cut smoky quartz gem set ring, finger size M1/2 and one in size N1/2 slightly darker brown — Samantha Salmons Jewellery - Bespoke Jewellery Design London -
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Luminesce Lab Grown 1/4 Carat Diamond Cushion Dress Ring Gold Plated S – Luminesce Diamonds
Exquisite Ring Size N1/2 P1/2 Q Antique Gold Black Gun Plated Green Oval Zircon | eBay
International Ring Size Conversions - Esslinger Watchmaker Supplies Blog