Joel Arthur Rosenthal, A fibula brooch, Paris, circa 1993. Tourmaline, garnet and diamond. Photo courtesy Simon Teakle Fine Jewelry

A single rectangular cut emerald 13.11 carats ring, Paris, circa 1930. Photo courtesy Simon Teakle Fine Jewelry

Rubies and diamonds bracelet, UK, circa 1870. Photo courtesy Simon Teakle Fine Jewelry

A pair of antique emerald and diamond earrings, Circa 1870. Photo courtesy Simon Teakle Fine Jewelry

The Hamster Diamond ring, English, circa 1910. Photo courtesy Simon Teakle Fine Jewelry

By family tradition: Purchased in Paris in 1910, this ring was lost in a game of cards to an unscrupulous Duke who in turn lost it during a party, where it was presumed stolen. In 1990, his great grand daughter was looking for her lost hamster and, looking under the floorboards, found the ring.

An antique diamond butterfly brooch, English, circa 1870. Photo courtesy Simon Teakle Fine Jewelry