Rocks Forever Collection:  Catherine Engagement Ring 18kt White Gold Round Brilliant Cut Diamonds Double Halo Engagement Ring Diamond Carat Weight: 0.75ct For further information on this ring email or call us, we would love to hear from you.   Available to view in both Grafton Street and Stillorgan Stores.   All prices are subject to change without notice. This ring is available as a bespoke ring, creating that is of your choice. The picture and price are for guide only. Price and variations are available on request. Allow approx 2-6 weeks for customised engagement rings.