Signature Sparkle Ball™ studs in birthstone-inspired colours. Celebrate your birth month in style with our Small Birthstone Sparkle Ball™ Stud Earrings. These 8mm studs feature hand-set crystals in a clay base, personalized to represent your birthstone’s unique color. Finished with a Hillberg & Berk stamped sterling silver cap and secure butterfly backs, these earrings are both meaningful and easy to wear. Available in a range of brilliant hues, these birthstone Sparkle Balls™ bring a touch of personal sparkle to your everyday look.