Handcrafted of sterling silver inlaid with mother-of-pearl, Deakin & Francis®' hexagonal cufflinks are each accented with a round black diamond. Handmade. Round black diamonds. Mother-of-pearl. Sterling silver. Button back. Made in England. Deakin & Francis Men's Hexagonal Cufflinks - Black A great designer gift. Shop Deakin & Francis at Barneys New York.