Lightly used Vintage CZ Heart Black Onyx 925 Sterling Silver Pendant w/ 20" Chain, 5.88 Grams The pendant is marked "925" with a star symbol, and the necklace is marked "925 Italy." The pieces were acid tested to ensure purity. *Any stones or gems incorporated into pieces are untested and are not guaranteed. Classy and elegant; Makes a great gift or souvenir for a friend or family member/ or keep for your personal jewelry collection. No returns accepted- all sales are final. Please conduct all due diligence prior to purchase. Check out my other listings for similar items available for purchase.