 Complete the following phrase:  This tiara, which can also be worn as a necklace, was made for Queen Mary in 1919. It is not, as has sometimes been claimed, made with diamonds that once belonged to George III, but reuses diamonds taken from a necklacetiara purchased by Queen Victoria from Collingwood  Co. as a wedding present for Princess Mary in 1893. In August 1936, Mary gave the tiara to her daughter-in-law, Queen Elizabeth later the Queen Mother. When Queen Elizabeth, consort of King George VI, first wore the tiara, Sir Henry Channon called it an ugly spiked tiara. Later, she lent the piece to her daughter, Princess Elizabeth future Elizabeth II, as something borrowed for 