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

It’s estimated to be worth at least $38.8 million today due to its ... Her sister, Princess Beatrice, has a 2.5-carat diamond ring, with .75-carat baguette diamonds on the sides, worth $80K ...

and chosen the best diamond engagement ring from their collection... 1/13 From £1,600 at Brilliant Earth From $1,650 at Brilliant Earth Carat size: Various sizes available Diamond shape ...