Comprising: a brooch of plaque design, set at the centre with an oval sapphire, the border set with cushion-shaped diamonds in claw settings and cut-down collets, maker’s marks for Sophia Schwan, probably for Bolin, St Petersburg, 1899-1908 and Russian assay marks, the pair of ear clips en suite,set with step-cut sapphires, within a border of rose-cut and cushion-shaped diamonds, to a later fitted case by Cartier stamped with the crown of the Royal House of Greece, King of the Hellenes.
The accompanying fitted case was made by Cartier to house these items for Princess Elena of Greece and Denmark, née Grand Duchess Vladimirovna of Russia. She had inherited these jewels in 1920 when her mother, Grand Duchess Maria Pavlovna, died in France.