In the shape of hearts, these stud earrings are made from sterling silver and encrusted with clear cubic zirconia crystals. A super easy way to show the lady in your life she has your heart this Valentine's Day. The open heart designs measure 0.7cm x 1cm x 0.1cm. Stamped with a 925 metal mark and measuring 1.2cm from front to back, the studs have butterfly back fastenings and weigh just over half a gram as a pair.