Fancy a change from the usual round stud earrings? These sterling silver studs are square in shape with beautiful mother of pearl decoration, which also makes them perfect for a 30th wedding anniversary gift. Stamped with a 925 metal mark, these earrings have dimensions of 0.5cm x 0.5cm x 0.3cm, with a front to back distance of 1.4cm. Sold with butterfly backs, they weigh just less than 1 gram as a pair.