The event also marked a poignant return for King Charles, who missed last year’s services due to cancer treatment.

The emerald and diamond Celtic knot brooch is estimated to be worth £80,000 and is dating back to 1893. It originally belonged to Queen Mary and is said to have been one of her wedding gifts.

Choose from Celtic Knot Logo stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Video Back Videos home Signature collection Essentials ...