made in St. Petersburg, circa 1910
A yellow and rose 14K gold ring is set with a flat heliotrope ( a variety of chalcedony, also known as bloodstone) plaque highlighted by a sparkling bezel-set old European cut diamond (approximately 0.12 ct). This heliotrope is a classical example of a bloodstone – very dark green, almost black, with some fine inclusions of red jasper.
The ring is engraved inside the shank with date ‘1910’ and two initials.
The ring is marked with 56 zolotnik old Russian gold standard for the period 1908-1917 and maker’s initials.
The bloodstone plaque together with gold bezel measures 11 x 9 mm (7/16 x 6/16 in.)
Ring size 8.5 (19 mm) sizable