Round Brilliant Solitaire Diamond Engagement Ring
Jewelry, Decorative Art (Personal Ornament) • Modern Jewelry Manufacturer or Goldsmith (unidentified); standard commercial luxury or bespoke production

Style & Movement
Classic Solitaire / Modernist Minimalist Jewelry
Medium & Technique
Yellow gold band with a colorless round brilliant-cut diamond faceted using modern lapidary techniques. Set in a traditional six-prong platinum or white gold basket (Tiffany-style setting).
Creation Period
Modern / Contemporary (late 20th to early 21st century)
Dimensions & Format
Estimated diamond weight: 2.5 to 3.5 carats. Ring size: approximately 6-7. Band width: 3-4mm tapering.
Subject Description
A single, substantial round brilliant diamond center stone symbolizing commitment and permanence. The composition focuses on light refraction through the crown and facets of the stone, held by a tapering gold band.
Condition & Value Assessment
Condition Assessment
Good/Very Good; the diamond appears to have high clarity and luster, while the gold band shows minor surface abrasions consistent with regular wear.
Estimated Market Value
$25,000 - $65,000 (Highly dependent on the 4Cs: Color, Clarity, Cut, and Carat Weight)
Auction Estimate
$18,000 - $45,000
Provenance History
Private collection. No visible hallmarks or maker's marks are discernible from the perspective provided, but typical of high-end retail acquisition.
Art Historical Significance
The round brilliant cut is the culmination of centuries of diamond cutting evolution, perfected in the early 20th century to maximize fire and brilliance. This specific design adheres to the iconic solitaire standard established in the late 19th century.
Notable Features
Substantial carat size of the center stone; robust six-prong setting provides extra security for the diamond compared to a four-prong setting; classic yellow gold and white metal contrast.
Condition Issues
Visible surface scratches on the gold band (patina of wear); potential loosening of prongs over time; slight buildup of skin oils/debris on the pavilion facets reducing light return.
Conservation Recommendations
Professional ultrasonic cleaning; steam cleaning; prong inspection by a certified jeweler; storage in a soft-lined jewelry box away from other gemstones to prevent scratching.