ACGA American Brilliant Cut Glass Examples Amethyst-to-Clear Loving Cup. 8 7/8in. tall x 5 1/4" top diameter x 4in. base diameter. Weight: 4 pounds, 1 ounce. Attributable to Dorflinger. A band of nail-head diamond is cut above the 48 point rayed base. Each side is cut to clear in a cluster of 5 abstract panels. The handles are hollow.