Tiffany & Co. Streamerica 18K White Gold Diamond Collar Necklace
Tiffany & Co. Streamerica 18K Gold Diamond Collar
An exceptional and rare design from the Tiffany & Co. Streamerica Collection, this striking collar necklace is crafted in solid 18K white gold and accented with brilliant-cut diamonds. Inspired by the sleek lines and industrial motifs of the Streamline Moderne era, Streamerica was one of Tiffany’s boldest design directions—making pieces from this collection highly collectible today.
This necklace features a substantial, luxurious feel with modern rivet-like detailing and a refined silhouette that rests beautifully around the neck. Fully signed and hallmarked, it’s a powerful statement of design, quality, and Tiffany heritage.
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Designer: Tiffany & Co.
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Collection: Streamerica
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Year: Dated 2000
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Metal: 18K White Gold
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Hallmarks: Tiffany & Co., 750
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Gemstones: Brilliant-cut diamonds
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Necklace Style: Collar
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Length: 16.5 inches
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Weight: 92.5 grams
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Closure: Hidden clasp (streamlined finish)
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Condition: Excellent vintage condition
Why It’s Special
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From the highly sought-after Streamerica Collection
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A bold yet elegant unisex design that reflects Tiffany’s modernist era
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Solid 18K white gold with substantial weight and presence
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Accented with fine diamonds, enhancing its architectural appeal
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A rare collector’s item with original Tiffany 2000 hallmark
Elevate your collection with a design that embodies modern American luxury—refined, powerful, and unmistakably Tiffany.
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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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