Third crowned portrait of HM Queen Elizabeth II facing right, wearing the George IV State Diadem.

The George IV State Diadem, officially the Diamond Diadem, is a type of crown that was made in 1820 for King George IV. The diadem is worn by queens and queens consort in procession to coronations and State Openings of Parliament. The piece of jewellery has been featured in paintings and on stamps and currency. It can be seen in the Queen's Gallery at Buckingham Palace.

ELIZABETH II DEI GRATIA REGINA FIDEI DEFENSATRIX means Elizabeth II, by the grace of God, Queen and Defender of the Faith.

Engraver: Raphael David Maklouf

A Scottish thistle encircled by the Diamond Diadem, representing Scotland.

Cirsium vulgare (spear thistle, bull thistle, or common thistle) is a species of the genus Cirsium, native throughout most of Europe, Western Asia, and northwestern Africa (Atlas Mountains). It is the national flower of Scotland.

Engraver: Leslie Durbin

The Latin motto of Scotland's most noble Order of the Thistle, NEMO ME IMPUNE LACESSIT (no-one provokes me with impunity).