Since 1861, Gump's has been a destination for jewelry that is distinctive, extraordinary and timeless. We develop the design, carefully select each gemstone and oversee the production from start to finish. Featuring only the finest materials, each piece is a statement of timeless elegance. Lemon Quartz, 2.35ctw. Sterling silver. 14-karat yellow gold posts. Pierced only. 1/4"L x 1/4"W.