Details
A DIAMOND SINGLE STONE RING
Set with an old European cushion-cut diamond weighing approximately 11.51 cts., mounted in platinum, with a French hallmark and maker's mark
Set with an old European cushion-cut diamond weighing approximately 11.51 cts., mounted in platinum, with a French hallmark and maker's mark
Provenance
Formerly from the collection of Princess Marie Bonaparte (1882-1962) and subsequently that of her daughter, Her Royal Highness Princess Eugenie of Greece and Denmark