Ross-Simons - .20ct Bezel-Set Diamond Solitaire Necklace in 14kt Yellow Gold. 18". RS Pure. Create the perfect layered look with delicate, modern jewelry. This dainty necklace boasts a .20 carat bezel-set round brilliant-cut diamond in white rhodium. Set in polished 14kt yellow gold. Suspends from a simple cable chain with a 2" extender. Springring clasp, diamond solitaire necklace. Diamond birthstones are the perfect gift for April birthdays.