Antique Ostby Barton 20s Art Deco 10K White Gold Blue Sapphire Bar Brooch 2.25"

This is an antique Ostby Barton bar brooch from the 1920s Art Deco era. The brooch is made of 10K white gold and features a square blue sapphire gemstone. The brooch is signed or stamped and has a bar setting style. It measures 2.25 inches and is suitable for both men and women. This piece of fine jewelry is perfect for special occasions such as weddings, anniversaries, and graduations. The blue sapphire is a natural stone that was hand cut and mounted by a jeweler. This 2.25" signed Ostby with maker's mark brooch has a 10k white gold purity hallmark with a beautiful blue natural sapphire gemstone. The Art Deco geometric lines and design are incredible with very fine details. This antique Ostby gold sapphire brooch is in good pre owned clean condition with some minor use wear, the C clasp functions properly, good collector investment quality jewelry item. Please see the pictures for more details and measurements before purchasing.