landed on a 4-carat stone with roughly 1 carat worth of diamonds around the ring in an 18-carat white gold setting. "He was very intentional with every little design element," says Arasheben.

"Actually, this is only one carat ... 1 million, thanks to its excellent clarity and rarity." Hailey's original engagement ring, which is reportedly worth $500,000, was placed on her pinky finger ...