Art Deco 1920s Cartier Platinum Diamond Brooch

An elegant Art Deco brooch by Cartier, circa 1920s, finely crafted in platinum and set throughout with old European-cut diamonds. The geometric openwork form reflects Cartiers refined approach to balance, symmetry, and craftsmanship during the early 20th century.

Dimensions

Height: 3.0 cm
Width: 2.1 cm
Weight: 11 g

Details

Metal: Platinum
Period / Era: Art Deco, circa 1920s
Maker: Cartier

Gemstone Details

Diamonds
Cut: Old European
Approx. Quantity: 40 stones
Total Carat Weight: Approx. 3.00 ct
Colour: GH
Clarity: VSSI

Condition Report

Pre-owned; very good condition consistent with age and careful wear.

About Cartier Art Deco Jewellery

Cartiers creations from the 1920s are highly sought after for their exceptional craftsmanship and refined aesthetic, emblematic of the Maison's Art Deco period. This era marked the rise of Jeanne Toussaint, whose artistic direction helped establish the distinctive geometric elegance now associated with Art Deco Cartier design.

A signed Cartier brooch from this period represents more than jewelleryit is a piece of cultural and design history. The combination of platinum with old European-cut diamonds reflects Cartiers leadership in high jewellery during this time, when platinum came to symbolise prestige and innovation.

Collectors of vintage Cartier and antique Cartier pieces value these works for their rarity, provenance, and timeless sophistication. As a Cartier diamond brooch, this piece sits within the realm of Cartier high jewelry, admired for its balance, clarity, and architectural precision. It remains a quintessential period Cartier jewel, offering both elegance and historical significance.

This signed Cartier brooch is part of our curated collection of designer jewellery at Mozeris Fine Antiques, with secure UK and international shipping.