This heart moissanite three-stone stationed bar necklace is crafted in lustrous sterling silver. This classic necklace features three heart-cut, prong-set created white moissanite gemstones in a unique station bar design, perfect for all occasions. Elegance and sophistication at its finest, this gemstone necklace is sure to make a perfect versatile addition to any jewelry collection. oissanite is a gemstone with extraordinary durability and brilliance. Moisannite is the perfect replacement for a diamond and comparable to, or even surpassing the clarity, and color of a diamond.