The light green shade of the peridot gemstones in this pair of stud earrings makes them an ideal summer accessory, even more so with peridot being the August birthstone. An August birthday gift she will wear time and again. The round 6mm peridot gemstone is set in a 4 prong sterling silver setting, stamped with a 925 metal mark. With butterfly backs fastenings, the studs weigh 0.8 grams as a pair.