Mid-Century Asymmetrical Swirl Diamond Ring
Decorative Art / Jewelry - Engagement/Cocktail Ring with original presentation case • Retailer: Weisfield & Goldberg (labeled 'Weisberg' Jeweler on box), Seattle, Washington. Specific workshop likely a commercial high-end manufacturer for the Pacific Northwest market.
Style & Movement
Mid-Century Modern transitioning from the Late Art Deco/Retro period; characterized by fluid, asymmetrical organic lines and 'bypass' styling.
Medium & Technique
Cast and hand-finished white gold or platinum setting with round brilliant cut diamonds. Features open-work filigree swirls and prong-setting techniques.
Creation Period
Circa 1940s-1950s (Mid-Century Modern / Post-War period)
Dimensions & Format
Small-scale decorative object; Ring size estimated between 5-7 US. Original celluloid/plastic box approx 2.5 x 2 inches.
Subject Description
The ring features a central round brilliant-cut diamond flanked by three smaller accent diamonds set within a bypass-style swirling band. The composition emphasizes movement and floral abstraction, common in mid-century romantic jewelry.
Condition & Value Assessment
Condition Assessment
Very Good; the metal shows light patina consistent with age. Stones appear secure. The original velvet-lined presentation box is well-preserved with clear branding.
Estimated Market Value
$800 - $1,500 (dependent on diamond carat weight, clarity, and metal purity analysis)
Auction Estimate
$600 - $1,200
Provenance History
Original retail label for 'Weisberg Jeweler, 1313 Third Avenue, Seattle, WASH.' inside the lid. This indicates a primary purchase in Seattle during the mid-20th century.
Art Historical Significance
Represents the post-war American boom in luxury consumer goods. It illustrates the 'Seattle Style' of retail jewelry and the popularity of the 'Bypass' ring design which broke away from the rigid symmetry of earlier decades.
Notable Features
Retains the original vintage presentation box with Art Deco-influenced typography and jeweler's location, which significantly enhances its provenance and collector appeal.
Condition Issues
Minor surface scratches (abrasions) on the metal band; slight yellowing of the vintage celluloid box; dust accumulation in the velvet ring bed.
Conservation Recommendations
Professional ultrasonic cleaning for the ring; avoid harsh chemicals on the vintage box; store in a temperature-controlled environment to prevent celluloid degradation.