Diadem of the Grand Duchess Elena Vladimirovna of Russia, wife of Prince Nicolas of Greece. Circa early 1900s. It was later inherited by their daughter the Princess Olga of Greece who married Prince Paul of Yugoslavia.
The Teck Crescent Tiara came into the British royal family by way of Queen Mary's mother, Princess Mary Adelaide, the Duchess of Teck.
Duchess Marie Caroline of Bavaria, wife of the duke of Württemberg, wearing a tiara of diamonds and pearls.
Naasut Tiara worn by HM the Queen of Denmark
Emerald and Diamond Tiara, dirca 1910. The upper tier of open work trellis design millegrain-set throughout with rose diamonds, and decorated with three flower head cluster motifs set with circular-cut diamonds, the lower tier of foliate and meander design, set with similarly-cut stones and centring on an octagonal emerald.