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 created pink sapphire earrings make an excellent gift. Pink gemstones are stylish and chic, and our lab-created pink sapphires are an affordable alternative. 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.