Mid-Century Bypass Diamond Band
Jewelry (Decorative Art), specifically a cocktail or wedding band ring • Retailer: L.W. Suter Jeweler (Seattle, WA). Likely manufactured by a commercial jewelry workshop of the era
Style & Movement
Mid-Century Modern / Retro
Medium & Technique
Yellow gold (likely 10k or 14k) with small round brilliant or single-cut diamonds; channel setting and lost-wax casting technique
Creation Period
Circa 1950s–1970s
Dimensions & Format
Small scale (approx. 20-22mm external diameter); ring format
Subject Description
A 'bypass' or 'swirl' design where the two ends of the band overlap rather than meeting in a straight line. The design features a central row of channel-set diamonds flanked by polished gold borders that twist toward the center.
Condition & Value Assessment
Condition Assessment
Good to Very Good; visible light surface scratches on the gold and possible minor buildup around stones
Estimated Market Value
$350 - $650 USD
Auction Estimate
$200 - $400 USD
Provenance History
Original retail box indicates purchase from L.W. Suter Jeweler, 1416 Third Avenue, Seattle, Washington. Likely a single-family heirloom piece.
Art Historical Significance
Representative of mid-20th-century American commercial jewelry design. The retailer, L.W. Suter, was a significant local establishment in Seattle’s downtown retail history.
Notable Features
Includes original vintage Art Deco/Mid-Century style presentation case with jeweler's branding, which significantly enhances historical value and provenance.
Condition Issues
Minor abrasions to the gold surface (patina of wear); stones require cleaning to restore luster; potential thinning of the shank back from wear
Conservation Recommendations
Professional ultrasonic cleaning; light polishing of the gold by a jeweler; storage in the provided velvet-lined box