Princess Diana picked her 12-carat sapphire and diamond engagement ring. Prince William proposed to Kate Middleton with the same ring.

Materials: Lab-created sapphire, 14k white gold and lab-grown diamonds | Sizing: 3.0 to 11.0 | Shipping: Free shipping This timeless Ring Concierge design comes in oval, round, emerald and radiant ...

"Well-known for being one of the most famous royal rings, it features a stunning 12-carat oval sapphire, complemented by 14 diamonds, and set in white gold. "The sapphire is a deep, rich blue that ...