A young Queen Mary of the United Kingdom wears her amethyst tiara with the Love Trophy Collar in a formal portrait; more on the tiara here and the necklace here!

The Princess of Wales (later Queen Mary of the United Kingdom) wears the Boucheron Loop Tiara with the Love Trophy Collar and the County of Surrey Necklace; read more about the (dismantled) tiara here, the collar here, and the (dismantled) necklace here!