Late Roman Style Intaglio Ring with Blue Gemstone
Jewelry, finger ring with intaglio setting • Unknown Romano-Byzantine smith or provincial workshop
Style & Movement
Roman / Late Antique
Medium & Technique
Silver or base metal alloy; bezel-set cabochon gemstone (likely glass paste or chalcedony) with probable intaglio carving; cold-working, casting, and polishing
Creation Period
Circa 3rd - 5th Century AD (Late Antique period) or a later revivalist imitation
Dimensions & Format
Small circular format; estimated internal diameter 16-19mm (Standard adult size)
Subject Description
The ring features a circular hoop with a prominent raised bezel containing a translucent blue stone. The stone appears to be a cabochon cut, typically used in Roman signet rings to depict mythological figures, deities, or personal monograms.
Condition & Value Assessment
Condition Assessment
Fair to Good; significant surface oxidation and patina consistent with burial or long-term metallic aging
Estimated Market Value
$250 - $600 USD (dependent on metal purity and authenticity verification)
Auction Estimate
$150 - $450 USD
Provenance History
Unknown; likely private collection or found find. Lacks visible modern hallmarks, consistent with ancient or unregulated provincial manufacture.
Art Historical Significance
Represents the transition of Roman jewelry toward the more heavy, simplified forms of the Late Empire/Early Byzantine period; reflects personal status and the functional use of signet rings for sealing documents.
Notable Features
Distinctive 'D-shape' cross-section of the hoop; high-domed bezel setting characteristic of 4th-century styles; deep blue hue of the inset suggestive of high-cobalt glass or sapphire-colored paste.
Condition Issues
Heavy surface encrustation and pitting; possible distortion of the hoop; stone shows surface wear and minor abrasions consistent with age.
Conservation Recommendations
Professional ultrasonic cleaning or mild chemical stabilization by a specialist; store in a low-humidity, acid-free environment to prevent further corrosion.