Duchess of Cambridge debuted Queen Mary’s Lover’s Knot Tiara in December 2015’s Diplomatic Reception. In 1913, Queen Mary commissioned Garrard & Co. to make a copy of a the riginal Cambridge Lover’s Knot tiara owned by her grandmother, Princess Augusta of Hesse-Kassel, using her own diamonds and pearls. French in its neo-classical design, the tiara has 19 oriental pearls suspended from lover’s knot bows each centred with a large brilliant.
Queen Mary gave the tiara to her grand daughter Queen Elizabeth II in 1953. Queen Elizabeth II wore this tiara regularly in 1950’s before moving on to the Girls of Great Britain and Ireland tiara.
In 1981, Queen loaned this tiara to her eldest daughter-in-law, Diana, Princess of Wales. The Lover’s Knot tiara was Diana’s go to tiara. When Charles and Diana divorced, the tiara came back to Queen’s possession. The tiara was never worn by any other royal lady until 2015, when Duchess of Cambridge chose it for Diplomatic Reception.
Since then it has became Duchess’ go to tiara. As of the time of writing this post, she has worn it on 6 occasions i.e. 2015 Diplomatic Reception, 2016 Diplomatic Reception, 2017 Spain State Banquet, 2017 Diplomatic Reception, 2018 Netherlands State Banquet and 2018 Diplomatic Reception.