Queen Maud's Diamond Tiara
The Royal Order of Sartorial Splendor: Tiara Thursday: Queen Maud's Diamond Tiara (http://orderofsplendor.blogspot.com/2012/09/tiara-thursday-queen-mauds-diamond-tiara.html)
Unfortunately, I cannot say it is one of the better looking tiaras I have seen. I think the British 'Girls of Britain and Ireland' and the 'Lovers Knot' are much better looking and more regal. This tiara looks, at least to me anyway, more ducal than regal.
The Diamond Tiara reportedly returned to the Norwegian collection.
Saturday Sparkler: Queen Maud's Diamond Tiara | The Court Jeweller (http://www.thecourtjeweller.com/2015/04/saturday-sparkler-queen-mauds-diamond.html)