Letizia also opted for her signature gold oval ring by Karen Hallam.
The gold-plated sterling silver ring is from Karen Hallam, a Spanish brand set up by a designer originally from London.
The ‘Signature Ring’ as it is known, is sold from anywhere from £93 to £724, depending on the size of ring you purchase.
On the Karen Hallam website, the ring is described as: “Handmade unique ring in solid silver.