Gorgeous 14K Yellow Gold Fancy Color Pear Chocolate Diamond Drop Necklace Pendant. This piece features one pear shaped chocolate diamond, weighing .50 of a carat and 24 brilliant round diamonds, totaling .25 carats. The pendant measures 3/4 of an inch long by 7/16 of an inch wide. The necklace is 18 inches. It weighs 3.6 grams.