Declare your unconventional love with this ursula-inspired amethyst and diamond engagement ring from the enchanted disney villains collection. 14k white gold with black rhodium plate features a 7. 0 x 5. 0mm emerald-cut bright purple amethyst at the center black diamonds line the frame with sculpted corner details and the slightly tapered shank 3/8 ct. T. W. Of diamonds available in size 7 only â©disney