Victorian, 18ct gold, ruby and diamond navette cluster ringThis ring is sold, sorry. See similar rings: Metal: gold rings Gems: diamond rings, ruby rings Type of ring: Victorian rings, cluster rings Ruby and Diamond Ring. Rings in this shape are known as navette rings, as their shape resembles the keel of a boat. They shot to popularity in the 18th century, as they are particularly flattering to the shape of the hand, making it appear longer and more slender. This Victorian navette ring is set down the centre