Mariani tassel necklace from the Calla Collection. 18-karat white gold with ombré black rhodium finish. Multi-strand chains with black diamond accents. White diamond pavé bale, clasp and teardrop. 4. 39 total white diamond carat weight. 9. 20 total black diamond carat weight. Adjustable; lobster clasp. Approx. 32"L. Made in Italy.