According to the Norwegian Institute for Cultural Heritage Research (NIKU), the ring represents one of the most significant medieval jewelry finds in Norway in recent years. With only 220 gold rings registered in the national artifact database Unimus, and merely 63 of those dating to the Middle Ages, this discovery fills an important gap in understanding medieval craftsmanship and social hierarchy. The last comparable gold ring discovery in Tønsberg occurred 15 years ago, making this find particularly noteworthy for archaeologists studying the region's medieval past.
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The finder, archaeologist Linda Åsheim, holding the ring. (Johanne Torheim, NIKU)
Craftsmanship Reveals Byzantine and Carolingian Influences
The ring's decoration demonstrates remarkable technical skill, featuring filigree work where thin gold wires are twisted, bent, and soldered into intricate spiral patterns. Small round beads created through granulation—a technique where tiny gold spheres are attached to the surface—accent the spirals leading to the stone setting. According to Professor Marianne Vedeler from the University of Oslo's Museum of Cultural History, the spiral motifs particularly resemble finger rings dating to the 9th through 11th centuries, reports Heritage Daily.
The combination of filigree and granulation techniques arrived in Norway during the early Middle Ages from the Byzantine Empire, partly via Carolingian goldsmithing traditions. The Carolingian period, spanning approximately 750 to 900 AD when Charlemagne's empire dominated Europe, served as a conduit for these sophisticated metalworking methods.
Professor Vedeler noted that while a finger ring with a case-set stone and filigree decoration from Ullensaker in Akershus bears some resemblance, no direct parallel exists in Norway. Similar spiral decorations have been found on rings in England from the 9th and early 10th centuries, though most lack the inset stone feature.
The ring just after being found in Tonsberg, Norway. (Linda Åsheim/NIKU)
Medieval Beliefs and the Power of Blue Stones
Medieval Europeans attributed supernatural properties to gemstones, believing they possessed inherent magical qualities that could influence the wearer's fate and health. A blue sapphire symbolized divine power and was thought to cure ailments including boils. The stone was also believed to help the wearer preserve chastity and cool "inner heat," according to research by Vedeler and Røstad published in 2015. While the Tønsberg ring's stone is likely colored glass rather than genuine sapphire, the deep blue color would have conveyed similar symbolic meaning.
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The excavation area in the center of Tønsberg. (NIKU)
Archaeological Context in Medieval Tønsberg
The excavation site lies at the intersection of Storgaten and Prestegaten in central Tønsberg, within the automatically protected cultural heritage zone of Tønsberg Medieval Town. Archaeologists from the Norwegian Institute for Cultural Heritage Research (NIKU) have conducted two seasons of excavation here as part of the municipality's stormwater management project. The ring was discovered in a cultivation layer, with a spruce twig in the overlying stratum providing radiocarbon dating to between AD 1167 and 1269, firmly placing the artifact in the medieval period.
Tønsberg was a significant medieval town situated beneath the powerful royal fortress complex Tunsberghus on Slottsfjellet. Throughout the medieval period, numerous royal and ecclesiastical figures resided in or visited the town, leading to speculation that one of these elite individuals may have lost the ring. The excavations have revealed multiple structures including several houses on Vektertorvet, a possible street in Storgaten, a burned building with preserved roof in lower Prestegaten, and bulwarks in Nedre Langgate.
A High-Status Woman's Treasure
The ring's rich decoration combined with its pure gold composition indicates it belonged to someone from the upper echelons of medieval society. Its estimated size of 50-55 suggests it was worn by a woman rather than a man. The ring form itself—an unbroken circle—served as a powerful protective symbol throughout history, believed to ward off evil forces. Beyond economic value, the decoration, craftsmanship, and gemstone contributed significantly to such objects' social meaning. A richly decorated ring symbolized both power and social position in medieval Scandinavia.
Project leader Hanne Ekstrøm Jordahl from NIKU's Tønsberg office expressed enthusiasm about the discovery, calling it "a fantastically beautiful and rare example." For Åsheim, this find represents the culmination of an already remarkable career that has included discovering runes on four separate occasions.
"Now I can quit as an archaeologist, because I've reached the top," she joked, though she has no plans to abandon her profession. Her reaction upon discovering the ring—asking construction workers if they were playing a prank—underscores the extraordinary nature of finding such a pristine artifact in an active archaeological dig.
Top image: Medieval gold ring with blue stone moments after discovery during excavations in Tønsberg center. Source: NIKU
By Gary Manners
References
NIKU. 2025. Drømmefunn: gullring fra middelalderen funnet i Tønsberg sentrum. Available at: https://www.niku.no/2025/12/drommefunn-gullring-fra-middelalderen-funnet-i-tonsberg-sentrum/
Heritage Daily. 2026. Pristine medieval gold ring discovered in Tønsberg. Available at: https://www.heritagedaily.com/2026/01/pristine-medieval-gold-ring-discovered-in-tonsberg/156688
Vedeler, M. & Røstad, I. 2015. Medieval ring symbolism and stone properties. Kulturhistorisk museum, University of Oslo.
