NEON 2CT GENUINE PARAIBA TOURMALINE STUD EARRINGS HEART SHAPE 18K GOLD VERMEIL DESCRIPTION STUNNING NATURAL PARAIBA TOURMALINE STUD EARRINGS 925 STERLING SILVER, Doublet. BEAUTIFUL HEART SHAPE DESIGN. Main Stone Creation: Natural Main Stone Color: Neon Vivid Blue Material: Gemstone Metal: Yellow Gold Plated Main Stone: Tourmaline Main Stone Treatment: Doublet Type: Earring Metal Purity: 18k gold over sterling sliver Main Stone Shape: Heart Style: Stud Base Metal: Fine Silver, 925 parts per 1000 Total Carat Weight (TCW): 2CT Country/Region of Manufacture: Madagascar