Shop blue opal earrings sterling silver. ♥ Ready to ship ♥ 100% handmade ♥ Packed in a gift box These square stud opal earrings are modern, light, and very comfortable! They will be a nice addition to your everyday or special occasion dress. Opal studs will make a great gift for girlfriend, boyfriend. They are Unisex earrings. Opal is October birthstone. Large square stud earrings are made from: - Blue lab created opal square cabochons- 10mm - Sterling silver square settings with a post - Sterli Hypoallergenic Opal Earrings For Gift, Blue Opal Multi-stone Jewelry, Blue Opal Gemstone Earrings, Blue Opal Loose Stone, Adjustable Nickel-free Opal Earrings, Blue Opal Earrings, Opal Bracelet, Opal Studs, Square Stud