An Antique Alexandrite and Diamond Art Nouveau Flower Ring made between 1908 and 1917.
The 14K gold ring is prong-set with a very rare Russian alexandrite (5.5 x 3.05 x 2.55 mm, approximately 0.32 ct) and six old cut diamonds (approximately 0.60 ct total weight).
The ring is marked with 56 zolotnik gold standard and maker’s initials.
Height 20 mm (13/16 in.)
Ring size 7 (17 mm)
Under a candlelight, the alexandrite changes its color from dark green to dark purple.