Valuable Brands of Vintage Costume Jewelry . Faux pieces of jewelry have been around for hundreds of years. This jewelry style began to gain traction in the 1920s when Hollywood utilized costume ...

Own antique jewelry? ... Gold purity is measured in karats with 24 karats representing the highest value. Gold jewelry marked "750" or "18k ... Look for silver hallmarks to spot costume jewelry.

It turns out that there is much value to be found in costume jewelry, if only the buyer — or the grandkid — knows how to identify vintage jewelry. You may come across costume jewelry in ...

Weiss and Schiaparelli are names well known to vintage fashion and costume jewelry collectors. ... Estimated value: $50 to $70 and $100 to $300. View Comments.

It’s possible to thrift luxe brand names, diamonds, and more. Here, pros weigh in on how to spot valuable jewelry at a thrift store—including what to look for.