A heart shaped black tourmaline stone set in a gold bezel. A beautifully elegant dimond cut chain that catches the light. Perfect for layering. Tarnish Free - Long lasting protective coating safeguarding your jewelry from sweat, water, and more. 5x more gold that standard 18k gold plating over brass Hypoallergenic – Lead Free Black Tourmaline stone set in a gold heart Adjustable 16in to 18in