AI Appraisal Estimate

AI-generated estimates · not official valuations

From the user

What was submitted

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

Submitted item photo
Submitted photo · June 21, 2026

User's notes

18k gold

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

Five-Stone Marquise Diamond Anniversary Ring in 18k Yellow Gold

Fine Jewelry

AI Estimated Value

·Not an official valuation·Verify before acting

$2,250 - $2,800

As of June 21, 2026

AI Item Analysis

·AI can make mistakes·Verify before acting
This is a sophisticated five-stone anniversary band crafted in 18k yellow gold, featuring a graduating row of marquise-cut diamonds. The diamonds are oriented vertically across the finger, held in place by shared prongs that create a rhythmic, petal-like pattern. The center marquise diamond is the largest, flanked by two pairs of slightly smaller marquise stones that taper down towards the shoulders of the band. The gold mounting is characterized by a high-polish finish and a sturdy shank that shows minor surface scratches consistent with light wear. The 18k gold construction provides a rich, warm hue that contrasts beautifully with the brilliance of the clear gemstones. The setting appears to be a traditional cast design, common in the late 20th century to early 2000s, reflecting a timeless aesthetic. The stones seem well-matched in color and clarity from a visual inspection, though they would require professional cleaning to regain their full refractive index. There's no visible damage to the prongs or chips in the stones, indicating the ring has been well-maintained. The pointed ends of the marquise cuts are protected by the prong placement, which is a critical design choice for durability in this specific cut style.

AI Appraisal Report

·AI can make mistakes·Verify before acting
I have conducted a visual inspection of this five-stone marquise diamond anniversary ring in 18k yellow gold. The piece displays a sophisticated graduated design, featuring a central marquise diamond flanked by four stones of descending size. Based on the 18k gold construction and the visible brilliance and fire of the stones, I estimate the total diamond weight to be approximately 1.00 to 1.25 carats. The stones appear to be of high commercial quality (G-H color, VS2-SI1 clarity) with well-protected points, which is vital for the fragile marquise cut. The mounting shows minor surface wear consistent with light use, but the overall structural integrity of the shared-prong setting remains sound. Market demand for marquise cuts has seen a resurgence in the 'revival' jewelry market, and the use of 18k gold over standard 14k adds a premium to its intrinsic melt value. Historically, similar cast pieces from the late 20th century trade consistently in the secondary retail market. Factors limiting a higher valuation include the minor surface scratches and the stones needing professional cleaning to maximize their refractive potential. Important Note: This appraisal is based on photographic evidence and descriptions. I cannot definitively verify the gold purity, the authenticity of the diamonds (synthetic vs. natural), or the presence of clarity enhancements without an in-person examination. A full authentication would require a professional scale for weight, an electronic gold tester, a diamond loupe for internal grading, and ideally GIA certification for the gemstones to confirm their origin and natural status.

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