Sapphire(Left to Right: Duchess of Cambridge, Princess of Wales, Princess Marie-Chantal of Greece, The Princess Royal, Princess Tatiana of Greece)
Rubies(Left to Right: Crown Princess Mary of Denmark, Countess of Frederiksborg, Crown Princess Mette-Marit of Norway, Duchess of Brabant, Princess Martha Louise, Duchess of York)
(Left to Right: Princess Madeleine of Sweden, Crown Princess Victoria of Sweden, Zara Phillips, Princess Nathalie of Sayn-Wittgenstein-Berleberg, Autumn Phillips, Princess Alexia of Greece and Denmark)
Medium Sized Diamonds
(Left to Right: Lady Sarah Chatto, Queen Beatrix, Princess Charlene, Queen Elizabeth II, Empress Michiko)
(Left to Right: Princess Soraya of Iran, Queen Margrethe II of Denmark, Princess Grace of Monaco, Crown Princess Sarah of Brunei, Queen Paola of the Belgians, Duchess of Cornwall)
Multi Coloured(Left to Right: Princess Marie of Denmark, Princess Maxima of the Netherlands)
Other Rings(Left to right: Princess Letizia, Queen Silvia of Sweden, – Kinda hard to see, sorry – Countess of Wessex)
I have found new engagement rings. Left to right: Wallis Simpson, Top Middle (Emerald) Queen Fabiola of the Belgians, Bottom Middle (Black and White Picture) Princess Margaret, top Middle (Sapphire) Queen Anne-Marie of Greece, Bottom Middle (Diamond) Queen Rania of Jordan, Right top (Big Diamond) Viscountess Linley, bottom left (Scattered Diamonds) Princess Mabel.
The Hereditary Grand Duke of Luxembourg (Guillaume) became engaged to Countess Stephanie de Lannoy on April 26, 2012.