The contrast in Landstroms Sterling Silver Black Hills Gold Onyx Heart Necklace delivers both elegance and warmth, allowing it to transition seamlessly between formal and casual settings. Sterling silver provides a hint of sparkle, while pink and green 12-kt. Black Hills gold leaves provide eye-catching flair. Made in USA. Chain length: 18. Pendant: 0.6L x 0.4W. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Necklaces.