Art Deco Dainty Diamond Wedding Band 14k 18k White Gold Unique Open Cuff Bridal Ring. The gap is about 5mm.? Contact us for custom making if you need it matching your ring. Diamond Stackable Band:Metal: Solid 14k Gold ( 10/14/18k Solid Yellow/Rose/White Gold, Platinum is available )Stone: Natural Conflict Free diamond 0.18ctSetting: milgrain, marquise, half eternity