Bypass Diamond Engagement Ring
Jewelry, Ring • Commercial jewelry manufacturer (e.g., Zale's, Helzberg, or similar mid-market jeweler)

Style & Movement
Modernist Bypass style with elements of Late Deco revival
Medium & Technique
Yellow gold (likely 10k or 14k), round brilliant-cut center diamond, and baguette-cut accent diamonds; investment casting and prong/channel setting.
Creation Period
Late 20th Century (Circa 1980-1995)
Dimensions & Format
Approximately 20mm outer diameter (Size 6-7 estimate based on box scale); Center stone approx. 0.33-0.50 carats.
Subject Description
A functional piece of fine jewelry featuring a centrally prong-set round brilliant diamond framed by two tiered bypass shoulders, each channel-set with horizontal baguette-cut diamonds.
Condition & Value Assessment
Condition Assessment
Good/Fair; visible scratches on the gold metal and significant dust/debris accumulation in the setting.
Estimated Market Value
$400.00 - $800.00 USD (Secondhand/Resale Market)
Auction Estimate
$250.00 - $500.00 USD
Provenance History
Acquired through retail purchase; likely a secondary market or estate piece currently housed in a generic black velvet presentation box.
Art Historical Significance
Represents the 'Bypass' setting trend popular in late 20th-century bridal design, emphasizing movement and asymmetrical balance in mass-produced luxury goods.
Notable Features
Tapered baguette channel setting creates a visual contrast with the round brilliant center stone; distinctive bypass shank geometry.
Condition Issues
Scratched gold mount, possible loosening of side baguette stones, accumulation of skin oils and lint, minor metal oxidation.
Conservation Recommendations
Professional ultrasonic cleaning, steam cleaning, and buffing/polishing of the gold band; check prong integrity for stone security.