She'll adore this gemstone butterfly necklace to celebrate her december birthday. Crafted in sterling silver, this butterfly outline features two 5. 0 x 3. 0mm pear-shaped icy-blue topaz snugly set within the diamond-lined lower wings and iconic open-hearts designs swirling in the diamond-accented upper wings. Buffed to a brilliant luster, this 1/20 ct. T. W. Diamond papillon suspends centered along a 17. 5-inch cable chain that secures with a lobster claw clasp.