Cartier Antique Platinum Diamond and Pearl Stick Pin
Cartier Diamond and Pearl Stick Pin in Platinum
An exquisite Cartier creation from the early 20th century, this Art Deco platinum stick pin reflects the impeccable craftsmanship and refined aesthetics that defined Cartier’s golden era. Expertly set with rose-cut and old mine-cut diamonds, the jewel glimmers with subtle brilliance, enhanced by a delicate natural pearl crowning the design.
The circular motif, measuring approximately one inch in diameter, is beautifully balanced by a stylized openwork top, forming a harmonious play of geometry and light. Each diamond is set within intricate milgrain borders, a signature Cartier detail of the period.
The stick pin is signed “Cartier Paris, Londres, New York”, and engraved with the serial number 8787, testifying to its authenticity and cosmopolitan history — a piece that bridged Cartier’s great ateliers in three capitals of luxury. The ingenious tension mechanism secures the pin firmly to the garment, demonstrating both technical ingenuity and functional elegance.
Likely created in the 1910s–1920s, this piece captures the transitional moment between Edwardian grace and the bold geometry of the Art Deco age. It is a rare collector’s jewel, embodying the sophistication, balance, and artistry synonymous with the House of Cartier.
Technical Details
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Designer: Cartier
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Period: Edwardian to early Art Deco, circa 1910–1925
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Metal: Platinum
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Gemstones: Rose-cut and Old Mine-cut Diamonds; Natural Pearl
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Dimensions: Circle diameter approx. 1 in.; total length approx. 1.5 in.
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Signature: Signed Cartier Paris, Londres, New York, serial no. 8787
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Mechanism: Unusual tension clasp securing pin to garment
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Condition: Excellent antique condition
Available now at DSF Antique Jewelry
Cartier Jewelry
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Buy with confidence. Every piece is backed by:
• Authenticity — examined and verified before listing
• Condition — carefully inspected and honestly described
• Insured shipping — fully insured, signature required
• 32-day returns — available on eligible, unaltered items
• Private appointments — available in New York
• Experience — over 50 years of fine jewelry expertise
How do I know a piece is authentic, and can I trust DSF?
Buying fine jewelry online takes trust, especially at this level. DSF Antique Jewelry is a New York–based dealer with over 50 years of fine jewelry expertise. Every piece is examined for authenticity and condition before it is listed — we assess hallmarks, maker's marks, metal content, gemstones, and construction consistent with the stated period or designer. For signed pieces such as Cartier, Buccellati, or Van Cleef & Arpels, we verify maker's marks and signatures. We're glad to send additional photographs of any hallmark, or speak with you directly, before you decide.
Why does antique gold look different, and is surface wear normal?
Antique pieces were often made in gold standards less common today, such as 15ct (used in Britain only between 1854 and 1932), 9ct, or higher-karat continental gold, which give a warmer tone than typical modern 14k. Light surface wear, softened edges, and a gentle patina are normal and expected on antique jewelry — they reflect the age and authenticity of the piece, not flaws. We describe the true condition of every item honestly in its listing.
What do the hallmarks and maker's marks mean?
Hallmarks are small stamped marks that identify the metal standard, and often the maker, assay office, and date. They are one of the best tools for authenticating antique jewelry. We identify and explain the marks we find on each piece in its description, and we're happy to send close-up photographs of any hallmark on request so you can see exactly what you're buying.
Can pieces be resized or adjusted?
It depends on the piece. Many antique rings can be resized, but bands with all-around engraving, thin shanks, or gemstones near the base may be limited in how far they can safely go, and some pieces are best left as-is to preserve their integrity. We list each item's measurements as they currently are. If you're unsure whether something can be safely adjusted, contact us before buying and we'll give you an honest assessment for that specific piece.
How should I care for and store fine jewelry?
Clean gently with a soft cloth, avoid harsh chemicals, ultrasonic cleaners, and chlorine, and store pieces separately so they don't scratch one another. Remove rings and bracelets for heavy manual tasks. Antique gold is softer than modern alloys, so period pieces are best enjoyed with normal care. Treated well, fine antique jewelry lasts for generations — many of our pieces are already a century or more old and still beautiful.
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