Luck be a lady tonight! Gemstone four leaf clover studs are a charming way to pull together any formal look. Available in your choice of onyx, mother of pearl, lapis, or tiger's eye, each set is a safe bet. Hand Crafted Sterling Silver Four Tuxedo Studs Anti-Tarnish finish applied for longer lasting wear (if an extra stud is needed please order single stud separately) White Mother of Pearl or Black Onyx or Blue Lapis or Brown Tigers Eye Studs(11mm width approximately) fixed back for studs Style #SS1398