- Hoop Earrings - approx. 25mm - Material - 16k Gold Plated over BrassThese modern earrings are part of the 'Cosmic Jewellery' collection. The jewellery pieces combine black elements with shinny gold, a contrasting and elegant combination. All pieces combine well together and create a minimal yet warm and elegant style.These trendy hoop earrings are made from 16 karat gold plated over brass. The black elements are made from polymere clay. A minimalist yet eye-catching pair of earrings.