Overview:Art Deco era small cocktail ring (circa 1920s to 1930s), crafted in 10 karat yellow gold.
Faceted square cut blue topaz measures 10mm x 7.75mm and is estimated at 2 1/2 carats. Two estimated 0.01 carat diamonds flank the center stone (estimated at J color and SI2 clarity).
The ring is made by Ostby & Barton, one of the most well known jewelry manufacturers of the period. The firm was founded in 1879 and ceased production around the 1950s. Sadly, Ostby perished aboard the Titanic whilst his elder daughter survived. Today, Ostby Barton jewelry is highly desired by collectors of fine vintage jewelry for the exquisite workmanship and history behind the company.
The ring is in very good original condition.
Particulars:
Weight: 1.9 grams
Stones: Faceted square cut blue topaz measures 10mm x 7.75mm and is estimated at 2 1/2 carats. Two estimated 0.01 carat diamonds flank the center stone (estimated at J color and SI2 clarity).
Size & Measurements: The ring is a size 4 (sizable). The mount measures 12mm in length (0.47 inches) and 10mm wide (0.39 inches) rising 4mm from the finger.
Metal & Hallmark: Solid 10 karat yellow gold. The ring is hallmarked "OB" and "10k"
Lot G7120