Eternity diamond rings

Love the 1 ct ring. I really like the petite prong because you can see mostly diamond but I wonder if stones come loose very often? Platinum Petite Prong Diamond Eternity Bands by Memoire at Neiman Marcus.

Sapphire & diamond ring

Love this sapphire and diamond band. Not that my wedding band isn't great, but maybe this can be an anniversary band? :) Pratico III I want this but with emeralds!

Diamonds By The Yard. Tiffany & Co.

Cullinan Diamond Miners Discover Record-Breaking Stone