Two 14 Karat Gold Hat Pins One pin is set with an old mine cut diamond weighing 0.04 carats topped with a white baroque pearl measuring approximately 10.50 by 8.36 mm, length 2 7/8 inches; the other pin is centered with an oval moonstone cabochon weighing 0.71 carats, length 2 1/2 inches 14 karat yellow gold 0.13 ounces (total lot weight) Due to the limitations imposed by a mounting all diamond and gemstone weights are approximate.