AI Appraisal Estimate

AI-generated estimates · not official valuations

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Photo and notes provided by the user — not generated by AI

Submitted item photo
Submitted photo · May 16, 2026

User's notes

18” aa tanzanite tennis necklace silver

AI analysis below

AI appraisal

AI analysis & estimate

AI-Generated · Verify before acting

Everything below 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.

Note

This analysis also relies on unverified notes provided by the user, which may be incomplete or inaccurate and could affect the result.

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AI Identification

·Not independently authenticated·Verify before acting

18-Inch Tanzanite and Sterling Silver Tennis Necklace

Fine Jewelry / Necklaces

AI Estimated Value

·Not an official valuation·Verify before acting

$450 - $650

As of May 16, 2026

AI Item Analysis

·AI can make mistakes·Verify before acting
This is a classic 'tennis style' linear necklace measuring approximately 18 inches in length. The piece is meticulously constructed with a continuous sequence of small, oval-cut tanzanite gemstones. Each gemstone displays a characteristic light-to-medium violet-blue hue consistent with 'AA' grade material, showing decent clarity and pleochroism under the light. The stones are secured in individual four-prong basket settings made of polished white metal, identified by the user as sterling silver. The links are articulated to allow the necklace to drape flexibly along the contours of the wearer's neck. While no specific maker's mark is visible in the photograph, the craftsmanship indicates a contemporary manufacturing style, likely from the late 20th to early 21st century. The condition appears to be very good with no missing stones or significant visible damage to the prongs, though minor surface scratches on the silver and slight professional cleaning may be needed to maintain its high-luster finish. The uniformity of the stone matching across the strand suggests a quality production standard for semi-precious fine jewelry.

AI Appraisal Report

·AI can make mistakes·Verify before acting
I have virtually examined this 18-inch tanzanite tennis necklace. The piece features a high-count sequence of oval-cut tanzanites set in a classic four-prong sterling silver basket mounting. Based on my visual assessment, the gemstones exhibit the characteristic trichroic properties of tanzanite, with a violet-blue color saturation consistent with 'AA' commercial grade material. The construction appears to be high-quality contemporary casting with articulated links that suggest fluid movement and durability. The current market for tanzanite remains stable, though value is heavily dictated by color saturation; while these stones are attractive, they lack the deep 'AAA' velvety blue-violet hues that command top-tier premiums. Sterling silver remains a popular, accessible medium for this style, though it sits at a lower price point than 14k gold counterparts. Comparables for 'AA' tanzanite silver tennis necklaces typically retail in the mid-hundreds range. Limitations of this appraisal include the inability to verify metal purity with an acid test or XRF analyzer, or to confirm via loupe whether the stones are natural, heat-treated, or synthetic stimulants. A final determination of value would require an in-person inspection to check for facet wear, stone chips, and the security of the clasp mechanism. To fully authenticate this item, a laboratory report from an organization like the GIA would be necessary to confirm the stones' origin and treatment status.

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