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Item No: 15864

Art Deco 17.50 ctw Diamond (Center Diamond 2.50 ct), Platinum and 18K White Gold Brooch

A striking Art Deco estate brooch featuring a bold, geometric plaque silhouette with an Old European-cut diamond at the center, surrounded by a dense field of mixed-cut diamonds including baguette accents for crisp architectural contrast. Crafted in platinum and 18K white gold, it delivers high-impact sparkle and strong period styling—ideal as a showcase piece for high-jewelry clients, vintage collectors, and statement-occasion shoppers, with versatile merchandising across lapel, dress, scarf, or bridal styling stories.
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Authenticated & Reviewed

In-house review and provenance research before any piece reaches your showroom.

The Details

Specifications & Construction.

Overview

Brand
Estate
Type
Brooch
Period
Art Deco 1920's
Metal
Platinum/18K White Gold · 26.52 g
Measurements
2.75 x 1.57"

Stone Profile

2 stones · 17.5 cttw

Role Stone Shape Weight Color Clarity
Center Diamond Old European Cut 2.5 ct J-K VS1
Side #1 Diamond Mixed Cut 15.0 ct J-K VS1-SI2
Art Deco 17.50 ctw Diamond (Center Diamond 2.50 ct), Platinum and 18K White Gold Brooch — anatomy card
The Story

Made by hand, when the continental ateliers still set everything by hand.

The kind of piece a serious retailer builds a vitrine around.

The provenance for this piece is recorded against its piece-level documentation file. Approved partners can view full hallmark identification, period-appropriate setting techniques, condition history, and prior-ownership notes alongside the piece.

For the showroom conversation, the short version is the one the case card carries: era, atelier or designer, and what makes the piece worth a vitrine. The long version is for the client who's asking the right questions.

What you get with the piece

Memo, service, and the provenance file.

  1. Memo for Fourteen Days

    Take the piece for two weeks. Show it to your client. Decide afterwards. No fees.

  2. Insured Overnight Both Ways

    Order by 4pm ET. View it on your bench the next morning. Return label included.

  3. Sizing & Service Included

    Complimentary resize, polish, and rhodium-touch on this piece for an approved partner.

  4. Provenance File on Request

    Full authentication paperwork, period photos, and the condition report — to support your sale.