Cartier Belle Époque Diamond and Ruby Double-Sided Swivel Stick Pin

Cartier Belle Époque Diamond & Ruby Double-Sided Swivel Stick Pin by Georges Andrey

This extraordinary Cartier Belle Époque swivel stick pin represents a rare meeting of mechanical ingenuity and refined design, illustrating the innovative spirit that defined Cartier jewelry at the beginning of the twentieth century. Created during the celebrated Belle Époque period, the jewel reflects the technical mastery and artistic elegance that established Cartier as one of the most influential jewelry houses in the world.

The circular head presents a striking geometric composition of concentric rings, a motif associated with the emerging modern aesthetic of the early 1900s. On one side, the jewel reveals a luminous arrangement of old-cut diamonds set in platinum. The diamonds form radiating circular bands surrounding a central stone, creating a brilliant “target” design enhanced by delicate milgrain detailing, a signature feature of refined Cartier craftsmanship during this era.

The reverse side offers a dramatic transformation. Through an ingenious swivel mechanism, the head rotates to reveal an equally captivating composition of calibré-cut rubies mounted in warm yellow gold. The rubies form concentric circles surrounding a central ruby, producing a vibrant and richly colored counterpart to the diamond side. The contrast between the platinum-set diamonds and the yellow-gold ruby arrangement reflects the sophisticated design sensibility that distinguished Cartier jewels of the Belle Époque.

This ingenious reversible construction was made possible through the work of Georges Andrey, the renowned inventor and jeweler whose patented mechanisms allowed Cartier to create jewels with rotating or transforming elements. The jewel bears the hallmark of Georges Andrey, along with the inscriptions “DEPOSE CARTIER NEW YORK,” indicating a patented design associated with Cartier’s New York branch.

Mechanical jewels of this kind are particularly admired because they combine artistry with engineering. The rotating head allows the wearer to transform the jewel instantly, creating different visual expressions within a single piece—an approach that perfectly reflects the innovative creativity that defined Cartier jewelry during the Belle Époque.

A Jewel of Remarkable Versatility

One of the most fascinating aspects of this Cartier swivel stick pin is its versatility. Thanks to its rotating construction, the jewel can be styled in multiple ways depending on the occasion.

The wearer may choose to display the diamond side, offering refined brilliance ideal for formal or evening wear. Alternatively, the ruby side provides a bold and vibrant expression of color. The mechanism also allows the head to be positioned between rotations, revealing both diamonds and rubies simultaneously, creating a striking interplay of light and color.

This playful yet sophisticated versatility embodies the spirit of Cartier design, where elegance, ingenuity, and individuality were seamlessly combined.

Today, jewels such as this Cartier Belle Époque swivel stick pin are particularly prized by collectors. The combination of Cartier authorship, the hallmark of Georges Andrey, a patented rotating mechanism, and the harmonious use of diamonds and rubies makes this jewel a compelling example of the creativity that established Cartier as the “Jeweler of Kings and the King of Jewelers.”

Key Details

• Maker: Cartier
• Designer / Mechanism: Georges Andrey
• Period: Belle Époque, early 20th century
• Signature: CARTIER NEW YORK
• Patent mark: DEPOSE
• Cartier serial number: 1152
• Assembly / fitting mark: 6
• Design: Double-sided swivel stick pin with rotating head
• Gemstones: Old-cut diamonds and calibré-cut rubies
• Metal: Platinum and yellow gold
• Special feature: Reversible mechanism allowing two distinct designs

Historical Context

Several details visible on the jewel help place this remarkable Cartier swivel stick pin within the innovative early years of twentieth-century jewelry design.

The inscription “DEPOSE – CARTIER – NEW YORK” indicates a registered or patented design. Its presence alongside the Cartier New York signature reflects a moment when the New York branch was already active while remaining closely connected to Parisian technical development.

The ingenious rotating construction is characteristic of mechanisms associated with Georges Andrey, whose swivel mounts allowed a jewel to transform in appearance. Combined with the geometric concentric design, old-cut diamonds set in platinum with delicate milgrain and calibré-cut rubies in yellow gold, these elements strongly suggest a production period circa 1905–1910.

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