Signed Costume Jewelry Guide

Not all costume jewelry is created equal. Signed pieces from quality makers can be worth hundreds or even thousands of dollars. This guide helps you identify what's valuable in your jewelry box.

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Examples of Signed Costume Jewelry

These photos show actual signed pieces from top designers. Look for similar signatures and markings on your jewelry.

Trifari vintage rhinestone brooch with signature mark

Trifari Signed Brooch

Eisenberg Ice rhinestone costume jewelry piece

Eisenberg Ice Statement Piece

Coro Duette vintage brooch with signature

Coro Duette Brooch

Miriam Haskell signed brooch with intricate beadwork

Miriam Haskell Signed Brooch

Weiss Austrian crystal rhinestone jewelry

Weiss Crystal Piece

Hattie Carnegie signed designer necklace

Hattie Carnegie Necklace

Kramer New York rhinestone jewelry

Kramer NY Design

Coro vintage signed brooch

Coro Signed Brooch

Vintage Schreiner rhinestone jewelry

Schreiner Design

Aqua rhinestone set

Aqua Rhinestone Set

Vendome watermelon earrings

Vendome Watermelon Earrings

Clear rhinestone choker

Clear Rhinestone Choker

Large floral spray brooch

Large Floral Spray Brooch

Large rhinestone spray

Large Rhinestone Spray

Rhinestone fur clips duette

Rhinestone Fur Clips Duette

Harlequin jester brooch

Harlequin Jester Brooch

Top-Tier Collectible Brands

These designers command the highest prices and are most sought after by serious collectors. We actively buy all pieces from these makers.

Miriam Haskell

Intricate beadwork, baroque pearls

Eisenberg

Bold rhinestone pieces

Trifari

Especially Crown Trifari and jelly bellies

Schreiner

Dramatic rhinestone designs, often unsigned

Weiss

Quality Austrian crystal pieces

Hattie Carnegie

Designer-quality costume

Schiaparelli

Surrealist-influenced designs

Strong Collectible Brands

These brands also have strong collector interest and can bring excellent prices, especially for unusual or rare pieces.

Coro / Corocraft

Especially Duettes and sterling pieces

Boucher

High-quality designs

Kramer

Colorful rhinestone jewelry

Hollycraft

Pastel rhinestones, dated pieces

Vendome

Coro's high-end line

Hobe

Glass beaded jewelry

DeLizza & Elster

Often unsigned but identifiable (Juliana)

How to Identify Signed Pieces

Signatures and maker's marks are typically found in specific locations:

Brooches

Back of pin, often on clasp or flat area

Necklaces

Clasp or hang tag

Earrings

Back of clip or post

Bracelets

Clasp or inside of bangle

Pro Tip: Use a magnifying glass — many marks are small and can be easily missed.

What Affects Value?

Condition

No missing stones, intact plating, working clasps

Rarity

Unusual designs or limited productions

Size

Statement pieces often more valuable

Completeness

Full sets (parures) worth more than singles

Frequently Asked Questions

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