18k Yellow Gold U Shaped Hoop Earrings, 1.1g 18k Yellow Gold Hoop Earrings 21mm x 17mm. These 18k yellow gold earrings measure 17mm x 21mm and weigh 1-1.1 grams in total. These earrings are Hypo Allergenic and stamped Au750. This item includes a gift box and a gold test certificate with purchase. This item ships within 15-20 days.