Accented with a glowing pavé white diamond surround, Nak Armstrong's triangular stud earrings are crafted in the U.S. of polished 18k cashmere gold set with trillion-cut black diamonds. Trillion-cut black diamonds. Pavé white diamonds. Polished, recycled 18k cashmere gold. 7mm length x 6mm width (approximately). Post back. Made in U.S. Nak Armstrong crafts this piece using its signature cashmere gold, a natural white gold that has a pale yellow tone. Nak Armstrong Women's Trillion-Cut Black Diamond Stud Earrings A great designer gift. Stay on top of Spring trends and shop Nak Armstrong at Barneys New York.