Ross-Simons - Mother-of-Pearl, 1.80ct t. w. White Zircon Fan Drop Earrings in Silver. Swanky fan drops of 30x20mm carved mother-of-pearl suspend from 10x7mm pear-shaped mother-of-pearl cabochons on this elegant pair of earrings, both illuminated by glittery 1.80 ct. t. w. round white zircon borders. Crafted in sterling silver. Hanging length is 1 1/2". Post/clutch, white zircon and mother-of-pearl fan drop earrings. Pearl birthstones are the perfect gift for June birthdays.