Harro Gem custom antique moissanite oval stones make the perfect addition to any vintage-inspired fine jewelry. These lovely colorless gems feature a shape that is a variation of the standard oval cut. This versatile antique oval cut can either run east to west or north to south, depending on your setting and preference. Harro Gem moissanite stones make lovely center stones in pendants, rings and can even be set in earrings. Choose from 11 different sizes when you place your order. These range from 8 by 6 millimeters to 12 by 10 millimeters.