Hammerman Brothers 18K Gold Diamond Necklace
Vintage Hammerman Brothers Diamond Necklace
This vintage diamond necklace by Hammerman Brothers is a powerful expression of sculptural gold work and precision diamond setting. Crafted in 18K yellow gold, the design features a continuous sequence of articulated links, each formed with rounded gold elements that create rhythm, volume, and a sense of architectural balance around the neckline.
Set throughout with 98 round brilliant-cut diamonds, totaling approximately 6 carats, the necklace offers exceptional sparkle while maintaining a refined, cohesive look. The diamonds display VS clarity and F–G color, chosen to enhance brilliance without overpowering the strength of the gold design. Rather than appearing decorative alone, the diamonds are integrated into the structure, reinforcing the necklace’s depth and visual continuity.
Measuring approximately 16.5 inches in length and weighing an impressive 204 grams, this piece has remarkable presence while remaining elegant when worn. The substantial gold weight and fluid articulation reflect the high standards of craftsmanship for which Hammerman Brothers are known—particularly in their work for elite jewelry houses and discerning private clients during the mid-to-late 20th century.
Confident, luxurious, and impeccably made, this necklace is both a statement jewel and a serious collector’s piece, embodying the enduring appeal of Hammerman Brothers’ masterful approach to high jewelry.
Key Features
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Created by Hammerman Brothers
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Vintage diamond necklace
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Crafted in solid 18K yellow gold
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Set with 98 round brilliant-cut diamonds
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Approximate total diamond weight: 6.00 carats
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Diamonds of VS clarity and F–G color
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Articulated link design for fluid wear
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Substantial gold weight reflecting high craftsmanship
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Elegant statement piece suitable for collectors and formal wear
Technical Details
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Metal: 18K yellow gold
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Gemstones: 98 round brilliant-cut diamonds
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Total Diamond Weight: Approximately 6.00 carats
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Diamond Color: F–G
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Diamond Clarity: VS
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Length: Approximately 16.5 inches
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Weight: Approximately 204 grams
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Design: Articulated diamond-set link necklace
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Era: Mid-to-late 20th century
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Condition: Excellent vintage condition
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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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