Cubic Zirconia and Silver Square Stud Earrings SQ4 Qty: 1 2 3 4 5 6 7 8 9 10 Price £10.95 Silver and sparkling cubic zirconia, stud earrings. 4mm square, princess-cut, claw-set, stud earrings for pierced ears. Birthstone - Cubic Zirconia for April cubic zirconia earrings silver stud earring