Platinum and Gold Diamond, Onyx and Emerald Brooch

Platinum and Gold Diamond, Onyx and Emerald Brooch

Article

1201210

Location

Illinois, United States

Date

April 30, 2026 - May 1, 2026

Category

Brooch

Year of Production

Art Deco

Dimensions

Length: 2.63 in

Material

18k Yellow Gold, Platinum

Gross Weight

5.68 g

Clarity

VS-SI1

Diamond Color

G-I

Clasp Or Buckle

Pin Stem

Gemstone

Diamond, Onyx, Emerald

Gender

Women

Type

Bar

Description

Art Deco platinum and 18k yellow gold bar brooch set with old European, single, and rose cut diamonds (G-I color, VS-SI1 clarity), calibré-cut black onyx, and emeralds. Length: 2.63 in, weight: 5.68 g

Provenance

From the Estate of Gabrielle Kopelman
Estimates: $700 – $900

Each Jewelry aggregates lot information for discovery and research. Bidding and purchases take place through the original auction source where available.

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