Adorable 9ct Yellow Gold Amethyst & Diamond Heart Studs with gorgeous colour. These heart cut amethysts fit perfectly in the beautifully designed yellow gold and diamond hearts. Each feature complements the next, adding sparkle and shine that's perfect for enhancing your attire. Amethyst is the February birthstone and is said to bring sobriety and protection. They give these playful earrings a little more meaning and romance, making them a perfect gift.