Probably St. Petersburg, around 1900. 14 ct. roségold with yellow gold, marked 56 zolotnik, cyrillic essay mark probably Jakow Ljapunow, makers mark cyrillic. Hook shaped earrings each with one ruby in oval cut in total approx. 2 ct. (approx. 7,7 x 4,8 mm), framed by all together 28 rose cut diam. 21 x 12 mm, weight approx. 4,5 g.