Create a custom Mother's birthstone necklace with Eve's Addiction's new Hearts Desire 4 Birthstone Necklace. Choose four heart-shaped birthstones to be placed in a circle, along with two sterling silver hearts. The four birthstones can represent family, or close friend's birthdays. The birthstone heart charm measures 5/8 of an inch and hangs from a 16 inch chain with a 2 inch extender. Create a four birthstone heart necklace for Valentine's Day or just to show how much you love them.