•The shape of a horse-eyed birthstone is a pattern of colored gems cutting, also known as olives. Jewelry designers have drawn inspiration from Marquise Brilliant Cut and vines.   •Focusing on the uniting olives birthstone, the new collection by Callie seeks to remind us of the warmth of kinship and family unity, urging us to love our family members. You can choose a different birthday stone for each child, so that you can always pass the love for your child to your heart. Simple and meaningful, a delicate design that can be customized as one to eight birthstones, depending on your family situation.