Sapphire, Diamond, 18k Yellow Gold Bow Brooch. Featuring twenty-five square-cut sapphires weighing a total of approximately 0.60 cttw., accented by fifty-four full-cut diamonds weighing a total of approximately 0.50 cttw., set in an 18k yellow gold box brooch mounting measuring approximately 12 x 36 mm. {Gross Weight: 4.2 dwts}