Crafted of silver inlaid with mother-of-pearl, Deakin & Francis®' octagonal shirt studs showcase a petite black diamond resting in 18k gold bezels. at their center. The sparkling stones rest in 18k gold bezels. The elegant studs are handcrafted in the same Birmingham, England, studio where the company was founded more than 200 years ago. Includes four shirt studs. Black diamonds, mother-of-pearl. 18k gold, sterling silver. 11mm diameter (approximately). Button back.