This two-toned enamel and opal heart necklace radiates positive energy. The light colors feel like a "clean slate," with a beautiful contrast with the black. Set in 925 Sterling silver and plated in gold. Wear alone everyday or add to other layering pieces for a pop of color. The chain is 925 Sterling silver and is adjustable from choker length to 18 inches with slider ball. Enamel heart set in gold-plated, 925 sterling silver Lab-created opal 18" chain with adjustable slider ball Dimensions: 15x15.25mm 10% of proceeds support survivors of power-inequality trauma through our nonprofit Restore Dignity .