Vintage designer 12k solid gold 0.1-0.12ct natural diamond rose heart pendant

Beautiful vintage 12k solid two-tone (yellow and rose) gold pendant with a very nice natural diamond approximately 0.10-0.12 ct. Stamped 12k and designer’s mark. 12k gold has more gold than 10k but less than 14k. Excellent vintage condition, professionally cleaned and ready to wear. Props not included . Other listings: Antique vintage retro designer filigree estate timeless Victorian stackable fine jewelry art nouveau deco bridal sapphire pave wedding prom anniversary rose gold hoop bling ring boho chic natural tear drop pearl cut carat flower lariat eternity stone daisy emerald aquamarine ruby garnet promise solitaire valentine peridot pear coin style stamped gem unisex men women girls stud set square cushion princess radiant ctw aqua party halo round crystal jewel engagement band diamond mom 10k 14k 18k solid cartilage earrings necklace platinum opal pink gift bracelet bangle micro holiday Christmas birthstone knuckle key butterfly statement heirloom purple strawberry loop double heart anklet paperclip kays 950 delicate dainty wide full tri clarity color ice pinky trillion horizontal marquise rolo 585 750 encrusted crown zales shell sea top bottom cross citrine multi amethyst rare nile teal morganite vian gemstones inside out tanzanite choker yellow love rhodium jewelers wrap australian stones earth rope brilliant setting tested bright clean eye pretty tennis case snake heavy lightweight huggie weight acid intricate twisted swirl infinity byzantine chain link baby sun