1981 The Queen explains in her Christmas speech of 1981, that these photos were taken "before" the wedding, in the "grounds of Buckingham Palace" for (a) "tea (party) for 3 and a half thousand disabled people and their families" As the Queen says this is before the wedding and The weather and Charles presence indicate the event took place prior to 29 March 1981 when he left for Australia. The footage appeared on Television on 25 Dec 1981 as part of the Queens Christmas speech.
The dazzling history of the world's most iconic engagement rings
Family heirloom: Prince William proposed to Kate with a beautiful 12 carat blue Ceylon sapphire ring that belonged to his mother, Princess Diana. Iconic engagement rings with DK Gems st maarten jewelry store