Art Nouveau Antique Russian Ruby And Diamond Engagement Ring
made in Moscow between 1899 and 1908
height 20 mm (13/16 in.)
US ring size 8 (inner diameter 18 mm)
56 zolotniks rose gold (14K – 583), one old cut ruby (approximately 0.78 ct), seven old cut diamonds with a total estimated weight of 1.12 ct
the two main diamonds are approximately 0.50 ct each
The ring is marked with 56 zolotnik old Russian gold standard with initials of Moscow assay master Ivan Lebedkin ( ИЛ ), and maker’s initials ‘ НБ ‘.