Three-Stone Diamond and Yellow Gold Engagement Ring

This is a three-stone 'past, present, future' style ring, likely crafted from 10k or 14k yellow gold. The centerpiece is a small round-cut diamond, estimated to be approximately 0.10 to 0.15 carats, flanked by two smaller accent diamonds. The stones are set in what appear to be illusion or miracle settings to enhance their perceived size, held by traditional four-prong arrangements. The shank is a slim, polished band that tapers slightly toward the head of the ring. Notable features include the classic trilogy design, representing a timeless mid-to-late 20th-century style, possibly from the 1980s or 1990s. Regarding condition, there is visible heavy oxidation, tarnish, and accumulated debris around the prongs and the underside of the stones, which dulls the brilliance of the diamonds. The metal shows significant surface scratches and a dulling of its original luster, suggesting frequent wear. No clear maker's marks are visible in the photograph, but the construction suggests mass-market commercial production rather than a bespoke artisan piece. The overall quality appears consistent with standard fine jewelry available at major retailers during the late 20th century.

I have conducted a visual examination of the three-stone diamond ring by photograph. The piece features a 'past, present, future' trilogy design in yellow gold, likely 10k or 14k. The center round-cut diamond is approximately 0.10–0.15 carats, accented by two smaller diamonds. The stones are set in illusion-style mountings to exaggerate their visual scale, a hallmark of mass-produced commercial jewelry from the late 20th century. The condition is rated as 'Fair.' Significant oxidation, tarnish, and biological debris are visible around the prongs and pavilion, which significantly inhibits the diamonds' refraction. Surface abrasions on the shank indicate heavy wear. These factors, combined with the modest carat weight and commercial-grade settings, limit its value primarily to the scrap gold content and small-scale resale markets like estate sales or pawn shops. Current market demand for this specific style is low, as it was produced in high volume and lacks artisan rarity. Limitations: This appraisal is based solely on visual attributes. I cannot verify the gold purity (e.g., 10k vs 14k) or the organic authenticity of the stones without an electronic gold tester and a diamond refractometer/loupe to check for inclusions or synthetic properties (CVD/HPHT). An in-person inspection is required to verify hallmark stamps and stone clarity. For a formal insurance valuation, documentation of the precious metal weight and a professional cleaning would be necessary to accurately grade the stones.