Oscar Heyman Platinum Burma Sapphire & Yellow Diamond Ring
Vintage Oscar Heyman Burma Sapphire & Fancy Yellow Diamond Ring — Circa 1947
An extraordinary archival jewel crafted by Oscar Heyman & Brothers, this platinum ring showcases the refined geometry, masterful stone selection, and impeccable craftsmanship for which the house is renowned.
At its center rests a square sapphire weighing 1.43 carats, notable for its saturated color and exceptional clarity. It is complemented by a shield-cut sapphire of 0.25 carats, creating an elegant interplay of symmetry and hue—an unmistakable Oscar Heyman signature.
Enhancing the sapphires is a sophisticated arrangement of fancy light yellow diamonds and white diamonds in a variety of cuts:
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Fancy Light Yellow Square Diamond – 0.84 carats
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Fancy Light Yellow Shield Diamond – 0.14 carats
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4 baguette-cut diamonds totaling 0.48 carats
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4 round diamonds totaling 0.07 carats
A masterclass in mid-century design, this ring reflects Oscar Heyman’s ability to harmonize bold color with precise geometry. It is accompanied by the original Oscar Heyman Certificate of Authenticity, confirming its manufacture date, materials, and serial number (35722).
A rare and historically significant jewel for collectors of Oscar Heyman masterpieces.
Key Features
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Authentic Oscar Heyman creation, dated January 31, 1947
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Platinum ring with geometric mid-century design
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Square sapphire: 1.43 carats
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Shield sapphire: 0.25 carats
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Fancy Light Yellow Square Diamond: 0.84 carats
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Fancy Light Yellow Shield Diamond: 0.14 carats
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4 baguette diamonds totaling 0.48 carats
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4 round diamonds totaling 0.07 carats
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Serial number 35722
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Includes the original Oscar Heyman Certificate of Authenticity
Technical Details
Maker: Oscar Heyman & Brothers
Date of Manufacture: January 31, 1947
Metal: Platinum
Gemstones
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Square Sapphire: 1.43 carats
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Shield Sapphire: 0.25 carats
Fancy Light Yellow Diamonds
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Square diamond: 0.84 carats
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Shield diamond: 0.14 carats
White Diamonds
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4 baguette diamonds: 0.48 carats total
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4 round diamonds: 0.07 carats total
Serial Number: 35722
Certification: Original Oscar Heyman Certificate of Authenticity (dated May 10, 2024)
GENERAL DETAILS
ADDITIONAL DETAILS
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The DSF Promise
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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