This is a stunning art deco antique seed pearl, synthetic ruby/pink sapphire & 10K solid rose gold ring by Ostby Barton.

The pearls are tiny and measure 2mm. They are surrounded a bright red/pink synthetic ruby. It measures 4 x 8 mm. Good condition, some light wear to the facets and top of the stone.

It is set in solid rose gold. It is an art deco style and from the early 1900's. It is stamped "10K" and "OB" for Ostby Barton. Ostby Barton was a well known designer during the art deco period who was famous for his period designs. He unfortunately lost his life on the Titanic. US size 7 3/4.

All pearls are truly vintage and have only been lightly cleaned. One prong is missing the tip.