A wonderful Victorian/Art Nouveau pendant and brooch in the form of a mythological griffin grasping a diamond in its jaws. The creature’s open-winged pose is somewhat unusual for this type of jewel, as they tend to be more curled up in a more circular position. The pose, however, makes for wear as a dramatic pendant hanging from the pendant loops on each wing. The back also has a removable fitting so it can also be worn as a brooch...

This is one of our very favorite rings. It would make a lovely engagement ring for a woman who wants something a bit different, and the green & red stones make it great for St. Patrick’s, Christmas, or really any time at all! The central diamond is approximately 20 points (1/5 of a carat, but looks bigger), and is set in platinum. The rest of the setting is made of unmarked but tested 14k gold of a lovely rich yellow. There are 4 tiny rubies and 3 tiny green demantoid garnets...

For anniversary or wedding jewelry, there’s nothing more romantic than Alphonse Augis’ love token jewelry. Usually, they are round medallions, but this exceptionally rare piece is in the form of a love letter using a rebus to spell out “Plus qu’hier, moins que demain” (“More than yesterday, less than tomorrow,” a line from a love poem written by Rosemonde Gérard to her husband Edmond Rostand, author of “Cyrano de Bergerac” in 1889...

For anniversary jewelry, there’s nothing more romantic than this rare 18K yellow gold, diamond and ruby love token (“medaille d’amour”) ring with a rebus spelling out “Plus qu’hier, moins que demain” (“more than yesterday, less than tomorrow,”) a line from a love poem written by Rosemonde Gérard to her husband Edmond Rostand (author of “Cyrano de Bergerac”) in 1889...

An Art Deco pendant or charm displaying four playing cards each with the pip for an ace worked in black or red enamel. Four aces is an unbeatable hand in poker unless an opponent has a flush. The bottom edge of the charm is engraved “Réussité” (“Success”). The charm and the original jump ring are stamped with French 18K guarantee marks.

• Origin: France, ca...

A lovely early Art Nouveau 18K gold sliding locket by the acclaimed medallist Jean-Baptiste Emile Dropsy. The front cover shows a bare-shouldered woman wearing a diamond necklace and hair ornament feeding a diamond seed to a bird in mid-flight, all surrounded by a bough of chestnut leaves. The diamond accents (“habillé”) add a bit of sparkle to the design...