this is a rare piece of dendritic agate

This diamond halo engagement ring is classic

The openwork shoulders create a unique and eye-catching design

We've collected our finest antique slides into one spectacular bracelet

black center stone

Antique Ostby and Barton Spinel Solitaire Engagement Ring Inv 7182 this is a rare pieceThe Ostby and Barton company, established in 1879 in Providence, Rhode Island, by Englehart Cornelius Ostby and Nathan B. Barton, began with just $3,000 in capital. It grew to become the worlds largest ring manufacturer and one of the leading jewelry companies in the U. S., operating through the 1950s. This ring features a timeless 1920s design, beautifully newly set with a vibrant blue spinel, making it an exceptional piece for any antique jewelry