Jewelry expert Gloria Lieberman gave this magnificent Art Deco diamond engagement ring a retail value of between $55,000 and $65,000 — ironically during the "Little Rock" event in August 2015.

An important distinction when shopping for American antiques is the difference between vintage and antique. By definition, antiques are items that are over 100 years old. Anything younger is vintage.

Art deco jewelry pendants made of exotic camphor glass and oversized brooches set in sterling silver or white gold are the newest vintage objects of adornment that are impressing collectors. The ...