For some of her most recent appearances, Kate, 42 ... she wore it as her 'something blue'. At the time, it was referred to as the 'commoner's sapphire' as the ring was available in the Garrard's ...

After dating her for almost a decade, Prince William proposed marriage to Kate Middleton in ... to gift Willy the ring I’d inherited from Mummy, the legendary sapphire,” he wrote.

This weekend, Kate Middleton made her triumphant return ... First, the royal attended the Festival of Remembrance with her sapphire and diamond ring on full display, as well as a pair of Bahrain ...

Getty This weekend, Kate Middleton ... Diana—including her sapphire engagement, which she hasn't worn publicly for nearly a year. Middleton's appearances have been far and few between amid her cancer ...

Kate has stepped out in some dazzling earrings, bracelets and rings, some of which would have been gifted to her by her now-husband. Perhaps the most memorable of those is her sapphire and diamond ...