Fifteen years ago this week, on 16th November 2025, Kate Middleton and Prince William announced their engagement. The pair came back engaged, sparking a wave of fervent excitement as royal watchers braced themselves for the wedding of the century.

Finding an engagement ring that could live up to such a moment was a difficult task. Fortunately, Prince William had inherited the world's most iconic gem: a 12-carat opal-cut sapphire that had once belonged to his beloved mother, Princess Diana . Prince William and Kate Middleton's most romantic moments: celebrating the royal love story on the anniversary of their engagement By Hope Coke Read More

Kate Middleton's engagement ring was – and is – simply dazzling. The central stone, sourced from Sri Lanka and playfully nickna

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