Designed as a line of alternating cabochon sapphires and old-cut diamonds

METAL: 18k yellow gold (tested)
DIAMONDS: 2 old mine-cut diamonds weighing a total of approximately 0.25 carat
STONES: 3 oval cabochon sapphires ranging from approximately 10.50 x 8.30 x 5.47 mm to 8.50 x 7.00 x 4.40 mm
CERTIFICATE: With report CS 68405 dated 6 July 2015 from the America Gemological Laboratories stating that the center sapphire is of Burma (Myanmar) origin; and that the two side sapphires are of Cambodia (Pailin) origin, all with no gemological evidence of heat or clarity enhancement
MARKS: workmaster's mark of August Holmström, Russian hallmark
SIZE/DIMENSIONS: 4.8 length x 1.3 cm at widest point
GROSS WEIGHT: 14.2 grams
Circa 1900