Kate Middleton's had an on-again, off-again relationship with her engagement ring for a year. What's the royal secret about ...

The now iconic ring features a 12-karat oval Ceylon sapphire set in 18-karat white gold and is surrounded by 14 solitaire diamonds. When Charles proposed to Diana in 1981, the piece was valued at ...

"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 ... is bound to channel grace at this year's ...