Princess Catherine would have worn a tiara if she had attended the engagement. Sophie, 59, wore a Suzannah dress with the Wessex Aquamarine Necklace Tiara, which is part of the Royal Collection.

Duchess Sophie ... in a £1 million tiara featuring five captivating aquamarines. The ring in question, believed to be from Collins and Sons, boasts a remarkable 20-carat aquamarine.