Kate Middleton doesn't always wear the sapphire and diamond engagement ring that was once worn by her late mother-in-law ...

a ruby and diamond ring by Van Cleef & Arpels, sold at auction in 2011 for $4,226,500. Here Is Elizabeth Taylor's 16-Carat Sapphire Engagement Ring From Victor Luna? A year after splitting from ...

In years past, Kate Middleton’s famous sapphire and diamond engagement ring—the same ring once worn by her mother-in-law, Princess Diana—used to be a firm staple in her wardrobe. After her ...