Sotheby’s The Jewellery Collection of the Late Michael Wellby: Lot 188 – Diamond brooch, Hennell, Circa 1913 Designed as a lace ribbon tied into a bow, set with circular-, single-cut and rose diamonds, signed Hennell.
The Empress Marie Feodorovna of Russia's Brooch - A cabochon sapphire brooch surrounded by two rows of diamonds with a pearl drop hanging from a collet diamond. The brooch was a wedding gift in 1866 to Princess Dagmar of Denmark, on her marriage to the Tsarevich Alexander, from her sister and brother-in-law the Prince and Princess of Wales. Queen Mary purchased the brooch from the Dowager Empress Marie's estate in 1929. The Queen inherited the brooch in 1953.
DIAMOND BROOCH, CARTIER, CIRCA 1925 The geometric plaque of meander inspiration set throughout with circular- and square-cut and baguette diamonds, mounted in platinum, signed Cartier, made in France and numbered, French assay marks.