An Antique Demantoid and Diamond Art Nouveau Flower Ring

made in Kazan between 1899 and 1908

The ring features an excellent sparkling green 0.77 ct demantoid garnet with a superb well-defined “horsetail”

and is also set with an old European and five old rose cut diamonds.

Marked with 56 zolotnik gold standard (14K) with initials ‘ И А ‘ for Kazan head assay master Ivan Ado (1899-1908)

Height 17 mm (5/8 in.)

Ring size 8 1/2 (18 mm)