22K Gold plated Sterling Silver Druzy Agate Blue Earring Studs,Square Gemstone 10mm Earrings: Druzy Blue/Grey Agate Square Studs - Vermeil Material: 22K Gold plated 925 sterling silver, 925 mark on butterfly earring back Measurements: 10mm sides, 4mm thick, earring posts are 20 gauge (0.8mm) Weight: 2.2 grams per pair Quantity: One pair