Pamela Huizenga's Calypso ring features a beautiful Australian black opal set in gold with emeralds and diamonds. Found at Couture Show Las Vegas2015

North American based Jane Taylor's 'Sword Swallower' ring, shown at Couture Show Las Vegas 2015. In white gold with an oval indicolite tourmaline, with a baguette on each side - a blue topaz and a green quartz.