A perfect choice for yourself, or as a gift, our Pink Tourmaline stud earrings feature sturdy cast basket settings and beautiful sparkling gems. Tourmaline is known as the gem of love and commitment. Buy her a pair of pink tourmaline earrings to seal the deal! A pair of peridot earrings sparkle by day, and remain brilliant at night. The Romans called peridot the “evening emerald†whose vibrant green color remained visible by lamplight.