From here to Eternity. Looking for diamond eternity rings? At Catanach’s Jewellers we offer a wide selection of diamond eterrnity rings in various settings. These include 4 claw, shared claw, channel, grain, and mille grain settings. These rings make the perfect wedding band and can be custom made to match an engagement ring. They also make lovely stand alone rings for all occasions. Starting with 0.02ct brilliant diamonds up to 0.10ct these rings can be 1/3 set, 1/2 set or full set.