Bypass Diamond Engagement Ring

Jewelry, RingCommercial jewelry manufacturer (e.g., Zale's, Helzberg, or similar mid-market jeweler)

Bypass Diamond Engagement Ring

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.

Identified on 5/21/2026
Bypass Diamond Engagement Ring - Commercial jewelry manufacturer (e.g., Zale's, Helzberg, or similar mid-market jeweler) | Art Identifier