Empress Eugenie's Grand Pearl and Diamond Diadem of the French Napoleonic Crown Jewels. Eugénie's tiara was created by the Crown Jeweller, Lemonnier, using the Napoleonic pearls. The Louvre. This crown can be seen in the Empress's official portrait,
Emerald & Diamond tiara from Westphalian noble family. This looks more like a French style, that had a reversible comb, allowing it to worn as either a comb or a tiara. It has sort of a classical revival feel to it.