A romantic vintage aquamarine and filigree ring by celebrated jewelry manufacturer, Ostby & Barton. Aquamarine is the birthstone for March and the gem of the 19th wedding anniversary.

Metal- 14 karat white gold
Weight- 3.57 grams
Hallmarks- 14K 
Marker's Mark- stamped with 'OB' and a Maltese cross, the marks for Ostby & Barton of Providence, RI
Size- 5 1/4 (complimentary resizing available - free up to three sizes) 
Gemstones- one fancy lozenge cut aquamarine, measuring 15.25 x 7.15 x 5.1 mm, approximately 4 carats
Details- the ring face measures 20.15 x 11.55 mm (.80 x .45 in), it rests north to south on the hand, sits 6 mm high off of the finger, the ring measures 6.30 mm at the shoulder and tapers down to 2.35 mm at the base of the shank, die-struck filigree, engraving, and milgrain
Condition- excellent vintage condition

Item # 50818-1

Ostby & Barton Aquamarine 14K White Gold Filigree Art Deco Vintage Ring