Late Roman or Early Byzantine Signet Ring with Blue Intaglio
Decorative Art / Jewelry - Finger Ring • Inland European or Mediterranean Workshop; unknown artisan
Style & Movement
Roman Provincial / Early Medieval
Medium & Technique
Silver (possibly debased) alloy with a blue glass or lapis lazuli intaglio insert; Lost-wax casting and hand-engraving
Creation Period
Circa 4th - 7th Century AD
Dimensions & Format
Approximately 20mm outer diameter; Internal diameter suggests a size for a small adult finger or pinky.
Subject Description
A utilitarian signet ring featuring a raised oval bezel set with a blue gemstone/glass intaglio. The hoop is thin and irregularly worn, likely intended for personal identification or a status symbol by a merchant or minor citizen.
Condition & Value Assessment
Condition Assessment
Fair; Shows heavy oxidation, mineralization, and loss of original polish on the metal band.
Estimated Market Value
$250 - $450 USD
Auction Estimate
$200 - $400 USD
Provenance History
Likely a stray archaeological find or metal-detected item; lack of formal documentation suggests private collection through secondary market.
Art Historical Significance
Illustrates the transition of jewelry styles from the Classical Roman era into the Migration Period; demonstrates the continued use of intaglio seals in the late antique period.
Notable Features
The distinctive blue color of the stone (likely glass paste mimicking lapis) and the high-shouldered bezel characteristic of the late Roman style.
Condition Issues
Distortion of the hoop (out of round), surface pitting, heavy encrustation, and potential minor chipping to the intaglio edges.
Conservation Recommendations
Professional ultrasonic cleaning or mild chemical stabilization; store in a dry, pH-neutral environment away from sulfur to prevent further tarnishing.