Rocks Couture Collection 18ct Yellow Gold Polished Hoop Earrings Made Of With Hollow Tube. Simply Elegant... Finish off any look with these 18ct gold earrings from our 'Rocks Couture' Collection. Mix and match them with some of our diamond or pearl stud earrings for a more glamorous effect. Diameter:25x27x3mm Fitting: Hinged Hoop