Crown jewels: The fabulous rings which sealed the love of Europe's royal couples

In April 2009, the people of Sweden were greeted with the news they had long been waiting for; their future queen, Crown Princess Victoria was engaged to her long-term boyfriend Daniel Westling.

Clearly over the moon, the princess was beaming as she joined her gym-owner fiancé to give the public their first glimpse of the ring. A solitary round brilliant cut diamond, mounted on white gold, it is a beautifully simple and traditional band that perfectly suits the down-to-earth royal