The Duchess of Edinburgh stunned in a diamond and aquamarine tiara as she attended the Buckingham Palace state banquet.

King Carl Gustaf and Queen Silvia of Sweden hosted the annual King’s Dinner for Nobel laureates at the Royal Palace in ...

King Carl Gustaf 's daughter-in-law wore her wedding tiara with a cobalt Soeren Le Schmidt gown with an asymmetrical neckline ...

Queen Camilla glittered in a rarely-seen tiara from Queen Elizabeth's collection at the Diplomatic Reception with King ...

But among the glorious display of royal jewellery, including one Princess making her debut in a fan favourite tiara, Sofia ...

Duchess Sophie looked a vision of elegance as she honoured Queen Elizabeth wearing the Wessex aquamarine tiara at the Qatari ...

The Aquamarine Ribbon Tiara features five emerald-cut ... Luxembourg in 2012 and wore it again for the royal wedding of Princess Madeleine of Sweden in 2013. The tiara hadn't been seen until ...

Queen Camilla looked elegant on Tuesday as she debuted a rarely-seen tiara at a glittering ... Princess Madeleine of Sweden in 2013. Camilla teamed the tiara with an aquamarine and diamond ...

and opted for the small aquamarine and diamond tiara, which has also been worn at two royal weddings. Often known as the aquamarine ribbon tiara, the delicate headpiece features five large ...

The Wessex Aquamarine Necklace Tiara has a wave-like diamond pattern and a seafoam-coloured central aquamarine. It can be converted into a necklace, pendant, or tiara. Sophie, then Countess of Wessex, ...

While Kate Middleton is usually a mainstay at such diplomatic events, she hasn't fully resumed royal duties since announcing on Sept. 9 that she has completed chemotherapy treatment for cancer. Queen ...