In 1977, as she celebrated the 25th year of her reign, Queen Elizabeth II and the Duke of Edinburgh embarked on a Silver Jubilee tour of Commonwealth nations. In New Zealand, she wore major jewels—and
Her Majesty The Queen's jewellery to feature in Platinum Jubilee
Silver Jubilee of Elizabeth II - Wikiwand
Platinum Jubilee: Queen Elizabeth II's Ruby Tiaras An Historian
Platinum Jubilee: Queen Elizabeth II's Ruby Tiaras An Historian
A history of Jubilees
The Queen's Royal Academy Jubilee Tiara
Queen Elizabeth II 1977
Image of Royal crowns and sceptre, from The Illustrated London News Silver
The Spencer Tiara (and a Matching Dress!) for Princess Diana
The Queen's Silver Jubilee Tiara in New Zealand