Blue Topaz December Open Flower Sterling Silver Studs These adorable 8mm children&#039;s earrings are sterling silver studs. Accented by a shimmering, simulated blue topaz that your December baby will love, at center of a delicate, cut out floral motif. Measure: 8mm x 8mm, Weight: 1.1 Grams, Stone: 4mm, Material: .925 Sterling Silver, Blue Topaz.