AI identification & appraisal estimate

Four-Prong Diamond or Cubic Zirconia Tennis Bracelet

Submitted photo of Four-Prong Diamond or Cubic Zirconia Tennis Bracelet
Photo submitted by the user — not generated by AI

AI Estimated Value

Not an official valuation

$1,500 - $4,500

AI estimate as of March 30, 2026 · verify with a professional before acting

AI-Generated · Verify before acting

Everything on this page is generated by AI for informational purposes only. AI can make mistakes — the AI may misidentify items or misattribute them (artist, maker, brand, designer, origin, era). This is not an official valuation and should not be used for insurance, sale, tax, estate, legal, or lending purposes — or any decision requiring a certified appraisal. It is not an authoritative claim about any person, brand, or rights holder — do not share or rely on it as a factual statement about a third party. Always consult qualified professionals before making financial decisions.

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AI Item Analysis

This item is a classic line-style bracelet, commonly referred to as a 'tennis bracelet,' featuring a continuous row of round brilliant-cut colorless stones. The stones are individually set in a series of articulated four-prong basket settings, likely crafted from white gold, platinum, or sterling silver given the bright white metallic luster. Each link is connected via a flexible mechanical joint, ensuring the bracelet drapes smoothly against the wrist. The closure mechanism is a traditional box clasp with a visible safety latch on one side to prevent accidental opening. The overall style is contemporary and minimalist, typical of high-end jewelry from the late 20th century to the present. While the stones show significant brilliance, a professional stone test would be required to determine if they are natural diamonds, lab-grown diamonds, or simulants like cubic zirconia. The metal appears to be in good condition with no visible tarnishing, though slight surface scratches consistent with rhythmic wear are expected on the clasp area. There are no immediately visible maker's marks or purity stamps in the photograph, though these would typically be found on the tongue of the clasp or the underside of the links. The craftsmanship appears consistent with mass-produced fine jewelry, showing symmetrical prong alignment and uniform stone sizing throughout the length of the piece.

AI Appraisal Report

I have conducted a visual appraisal of this four-prong line-style 'tennis' bracelet. Based on the uniform brilliance and fire of the stones, as well as the high-polish white metal finish, this piece displays the characteristics of fine jewelry. My assessment of the metal's luster suggests 14k or 18k white gold; however, the lack of visible hallmarks in the photograph prevents a definitive metallurgical conclusion. The condition is excellent, showing well-aligned prongs and smooth articulation of the circular basket links, which indicates quality mechanical construction. The market for tennis bracelets remains strong due to their status as a foundational jewelry staple, though value is heavily dictated by the secondary market for diamonds. For the purpose of this valuation, I have assumed the stones are approximately 0.10 to 0.15 carats each, totaling roughly 5.0 to 7.0 carats of natural or lab-grown diamonds. A critical caveat is that images alone cannot distinguish between natural diamonds, lab-grown diamonds, or high-grade cubic zirconia. To reach a precise 'Fair Market Value' or 'Replacement Value,' I would require a physical inspection to perform thermal conductivity testing and magnification to observe inclusions. Furthermore, diamond grading for color and clarity, along with an acid or XRF test of the metal, is necessary. The current valuation range reflects the significant price disparity between natural diamonds ($$3,000+) and lab-grown or simulant alternatives ($$250-$1,500).

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