Ross-Simons - .33 Carat Bezel-Set Diamond Necklace in 14kt Yellow Gold. 18". This divine diamond essential will lead a long life in your jewelry box. The stunning .33 carat round brilliant-cut diamond scintillates as it's highlighted by the shine of a polished 14kt yellow gold bezel setting. Necklace suspends from a box chain. Springring clasp, bezel-set diamond necklace. Diamond birthstones are the perfect gift for April birthdays.