Sterling Silver Onyx and Marcasite Ring Value Guide

This vintage sterling silver ring is a classic example of mid-20th-century revival jewelry, blending the bold geometry of Art Deco with the shimmering elegance of Victorian-style marcasite. Its elongated shield-shaped setting and marquise-cut black onyx center make it a striking statement piece for collectors of affordable luxury.

What affects the value of Sterling Silver Onyx and Marcasite Ring?

• Condition of the marcasite stones, as missing or dull 'dead' stones significantly reduce the market value.
• The presence of a clear maker's mark or origin stamp from the UK or US, which can provide provenance.
• The overall weight of the sterling silver and the size of the marquise onyx cabochon.
• The integrity of the setting, specifically ensuring the multiple rows of marcasite are securely intact.

How to Identify Sterling Silver Onyx and Marcasite Ring?

• Check the interior band for a '925' or 'Sterling' hallmark to confirm the silver purity.
• Inspect the marcasite stones under magnification to ensure they are individual stones set with tiny prongs rather than glued-in glass imitations.
• Verify the center stone is genuine black onyx, which should feel cold to the touch and exhibit a smooth, opaque cabochon finish.
• Look for the characteristic eye-shaped or elongated shield silhouette typical of 1940s-1980s revival designs.

History of Sterling Silver Onyx and Marcasite Ring

Marcasite-set jewelry became popular in the Victorian era when cut pyrite (called marcasite) was used as a bright, low-cost accent in silver pieces. Marquise-shaped onyx center stones and elongated shield motifs were revived in Art Deco and mid-20th-century revival styles. Sterling silver with marcasite accents has remained a staple of vintage and costume jewelry for its bold geometric look and relatively affordable luxury.