I have seen this fabulous crown at the Louvre Museum in Paris...no photos were allowed, but read about the sneaky tourist who tried.
After the downfall of Napoleon III and the proclamation of the French Republic, the jewels were inventoried, and, by a law passed December 10, 1886, it was decreed to offer a large part of the French crown jewels at auction. The sale was held in the Pavillon de Flore, a part of the Palace of the Tuileries, on May 12, 1887, and, very naturally, all the principal gem-dealers and collectors were represented.
A number of remarkable pearl ornaments were among the objects offered at the French crown jewels at auction, one of the most beautiful being a diadem of an exceptionally artistic openwork design, adorned with large, round pearls and surmounted by a row of magnificent pear-shaped pearls. The total number of pearls in this diadem was 212, and their weight 1452 grains. It was sold for the sum of 78,000 francs ($15,600).
Empress Eugenie's Pearl Diadem
I've seen this in the Louvre
The coronet which accompanied the diadem comprised 274 pearls, weighing 984 grains; the design was similar to that of the diadem, but the points consisted of a round and a pear-shaped pearl in alternation. This ornament realized the sum of 30,000 ($6,000).
A brooch of very elaborate and beautiful design, beside a number of smaller pearls, comprised four fine, pear-shaped pendants, weighing 100 grains each, and two choice bouton pearls, and had in the center the famous pearl known as "La Regente," which was purchased in 1811 for 40,000 francs ($8,000). This splendid ornament brought the sum of 176,000 francs ($35,000).
La Regente--Upper Center
More articles in French crown jewels at auction:
Four other brooches each contained seven pearls and many brilliants, the twenty-eight pearls having a total weight of 1496 grains, an average of more than fifty-three grains. Each brooch had two pearls surrounded with brilliants, and five large, pear-shaped pearls set as pendants. They were sold to different purchasers at prices ranging from 18,500 francs ($3700) to 43,000 francs ($8600), the four together realizing 113,500 francs ($22,700).
Necklaces in French crown jewels at auction:
Bracelets in French crown jewels at auction:
Two bracelets adorned with 202 pearls and a number of small brilliants were purchased for the sum of 90,000 francs ($18,040). The total amount realized for the pearl ornaments was 1,261,500 francs ($252,300). There are several American ladies who own single strings of pearls which are of more value than the whole pearl parure of the Empress Eugenie.
French Crown Jewels at Auction:
Pearl parure of the crown jewels of France, worn by the Empress Eugenie, and sold at the Tuileries, May 12, 1887.
*A diadem containing 212 pearls, weighing 2452 grains.