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Expert in vintage costume jewelry from the 1920s, 1930s, 1940s & 1950s

Flower brooch in blue topaz w/rubies & diamantes
Close-up view of flowers
Back of Coro brooch
Maker's mark & "Sterling" mark
Design patent issued to Adolph Katz

Blue Topaz, Ruby, Diamanté & Vermeil Flower Brooch



SIZE: 2 1/2" x 2 1/2"

CONDITION: Excellent

DATE: c.1946-1947

MARKS: "Coro" (in script) "CRAFT" with Pegasus and "STERLING" on rectangular cartouche

REFERENCE: Design patent D146,961 issued to Adolph Katz in 1947 (application filed in 1946); 1946 "Vogue" ad

This flower brooch designed by Adolph Katz is a stunning example of the Retro Modern style and the pieces created for Coro’s high-end line in the 1940s. The gold-plated sterling silver center looks like folds of a fabric with pavé-trimming at each end. The same trim is wound around the center. From there emanate two boughs of faceted, oval blue-topaz-glass flowers with round ruby-glass accents. The blue stones have foil backs to intensify their color. The pin closes with a fold-over safety clasp. Gorgeous colors and amazing condition. This delicious jewel was advertised in the February 1, 1946 issue of Vogue.

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Blue Topaz, Ruby, Diamanté & Vermeil Flower Brooch

$375.00 USD
Why Buy Vintage Costume Jewelry?

One reason is that it’s environmentally friendly. Resale fashion and vintage jewelry has become a preferred sustainable and affordable shopping choice by today’s discerning fashion and eco-conscious consumer.

Another major reason is the quality. Although vintage costume jewelry was made for all levels of the marketplace – from dime stores to high-end fashion boutiques and jewelry stores – you will find only the best pieces here. They were well-designed and carefully made to last. The manufacturers represented here used only the finest materials – glass stones and beads from Bohemia, Austria, and France, and faux pearls from France and Japan. Settings were primarily sterling silver, gold-filled, or base metals heavily plated with gold, silver, or rhodium. Stones were hand-set, and pieces were hand-finished.

The northeastern part of the U.S. was the center of the industry, with the largest companies located in Providence, Rhode Island by the end of World War II. During the Depression, the quality of costume pieces climbed to new levels when many jewelers and craftsmen had to switch to this segment of the industry. In addition, it attracted many skilled workers who fled the political situation in Europe for the U.S. For these reasons, designs and manufacturing techniques rivaled those employed in the making of fine jewelry.

A third reason to buy costume jewelry is its uniqueness. Having survived for so many decades in such wonderful condition and having been selected for their aesthetic quality, the pieces you’ll find here are unlikely to be found elsewhere.

True vs Fake - how to shop vintage costume jewelry with confidence

Barbara Schwartz, a noted costume jewelry historian, is the author of "True vs Fake" , an in-depth blog series providing examples of how vintage costume jewelry can be accurately attributed. She also shares tips on how to avoid being duped into buying misidentified vintage costume jewelry.