A modern heirloom. Introducing our take on a traditional style. Whether you wear yours or a loved one’s, a birthstone necklace is an easy way to add color and meaning to your look. This birthstone necklace features a 14k gold chain and diamond detail and makes for a perfect, personal gift. Blue Topaz is December's birthstone. Product Details Diamond: 0.01 total carat weight, 1.3 mm GH SI1-SI3 Blue Topaz: 0.15 total carat weight, 3 mm genuine blue topaz 14k solid gold 16" chain + 2" extender. Adj Fine Jewelry Stackable Teardrop Jewelry, Fine Jewelry Stackable Teardrop, Fine Jewelry Teardrop Stackable, Everyday 14k Gold Oval Jewelry, Everyday Oval Stackable Jewelry, Oval Sterling Silver Jewelry Tarnish Resistant, Dainty Oval Tarnish Resistant Jewelry, Oval Sterling Silver Tarnish-resistant Jewelry, Minimalist Teardrop Stackable Jewelry