For a sleek, goes-with-anything pair, opt for these! Chic 18mm round mother-of-pearl slices are set in polished sterling silver, with .10 ct… For a sleek, goes-with-anything pair, opt for these! Chic 18mm round mother-of-pearl slices are set in polished sterling silver, with .10 ct. t.w. white topaz-studded leverbacks of 18kt yellow gold over sterling silver. Be sure to add the matching necklace to your cart, too (style #945647) -- to complete this cool, effortless look. Length is 1 3/8". White topaz and mother-of-pearl circle drop earrings.