12.50 Carat No-Heat Ceylon Cabochon Sapphire and Diamond Ring
1.50 Carat Emerald Cut Blue Sapphire and Diamond Bridal Set in Rose Go — kisnagems.co.uk
A 50-carat Bulgari diamond ring, top, dubbed "La Favorite" at the 1934 Chicago World's Fair, and a 60-carat sapphire ring, bottom, owned by John D. Rockefeller, are modeled at Christie's Auction House
Art Deco Style .50 Carat Sapphire and Diamond Ring