18K Yellow Gold Geometric Modernist Signet Ring
Ring - Signet / Cocktail · Yellow Gold with a warm, rich tone, likely alloyed with copper and silver
Purity: 18K / 750 (75.0% pure gold content)
Type
Ring - Signet / Cocktail
Purity
18K / 750 (75.0% pure gold content)
Gold Type
Yellow Gold with a warm, rich tone, likely alloyed with copper and silver
Weight
Estimated between 6 to 10 grams based on solid construction and visible band thickness
Description
A striking 18K yellow gold signet-style ring featuring bold architectural lines and stepped geometric engravings along the shoulders. The solid construction and brushed finish give it a sophisticated, tactile presence typical of late 20th-century designer fine jewelry. The interior is neatly stamped with fineness and maker marks, highlighting its quality craftsmanship.
Key Features
Stepped geometric shoulder grooves, solid cast 18K yellow gold body, satin-brushed surface finish, distinct maker and purity hallmarks inside the shank
Color & Finish
Warm yellow gold with a brushed or satin-brushed finish on the main surfaces, showing minor surface scuffs and wear consistent with age
Hallmarks & Stamps
Visible inside the band: 750 purity stamp indicating 18-karat gold, a maker mark monogram, and a numeric serial or assay reference code '063'
Dimensions Estimate
Estimated US ring size 8 to 10, with a tapered band width ranging from 4mm to 10mm at the geometric shoulder accents
Gemstones & Inlays
No prominent gemstones visible in the main bezel setting, though it appears engineered to potentially house a flush-set stone or inlay
Clasp & Closure
Not applicable as this is a continuous band ring
Chain & Links
Solid cast construction with stepped geometric shoulder grooves
Craftsmanship Details
Precision-cast solid gold construction with clean, sharply articulated geometric line work, smooth interior comfort-fit tapering, and professionally stamped hallmarks
Authentication Indicators
Clear '750' hallmark, legible maker's monogram, and serial/reference numbers stamped into the inner band. The warm color and weight-to-size ratio strongly indicate solid 18K gold.
Origin & Maker
European artisan or high-end jewelry workshop, indicated by the '750' metric hallmark system
Era & Period
Late 20th Century / Modernist (likely 1970s-1990s bold architectural gold design)
Age Estimate
Circa 1970s to 1990s production
Cultural Significance
Signet rings have historically been used as symbols of status, authority, and personal identity. Modernist interpretations transformed them from functional seal-stamps into high-fashion statement jewelry.
Condition Notes
Very Good vintage condition. Shows minor surface hairline scratches and normal wear from use, but the structural integrity is fully intact with crisp, well-defined geometric engravings.
Value Estimate
Valued primarily on its melt value plus a designer/craftsmanship premium, placing its secondary market value moderately above the raw gold spot price for 18K items of this weight class
Care & Maintenance
Clean with warm soapy water and a soft-bristled brush. Avoid harsh chemical cleaners and abrasive polishing pads to preserve the satin-brushed finish. Store separately in a soft pouch.
Similar Items
Traditional flat-top gold signet rings, heavy 18K modernist wedding bands, and retro 1980s architectural statement rings
Interesting Facts
Geometric and architectural signet rings gained immense popularity during the bold gold movements of the late 20th century, shifting away from traditional flat-topped heraldic signets toward sculptural modern art pieces.