Wedding Present to the Countess Irma Schönborn-Buchheim in 1889 from the grooms mother, „Mama Fürstenberg“ Princess Leontine of Fürstenberg née Kevenhüller-Metsch.
Natural Pearl and Diamond Tiara | Fürstin Irma von Fürstenberg Diadem |Princess Fürstenberg

Eleven diamond motives in the design of a double fleur-de-lys, twenty-three pear-shaped pearls (three larger ones) are all fixed on an old-cut diamond frame.
This is the way that tiara must have been worn at the imperial court in Vienna and Berlin, by its then owner the princess of Fürstenberg née countess Irma of Schönborn Buchheim