Faceted Citrine Enhancer Earrings. The Citrine is backed by 18 Karat Gold Bi-Metal and set in fine silver. The brushed finish hollow formed enhancer handmade in Argentium silver is removable and can be worn with your other similar sized studs. These can also be oxidized for a dramatic contrast if preferred - send me a note at check out if that is your preference. Length is 1 3/4", width at top is 1/2". Available now.