Our latest obsession? Birthstone earrings. December babies will love these Emerald-cut Blue Topaz gemstones. They're paired with pebble-style studs in 18k gold-plated recycled silver. 18k Gold Plated 100% recycled Sterling Silver Two 5mm x 3mm Emerald-Cut Blue Topaz Gemstones Earrings are 13.2mm x 4.5mm