Round Cut Solitaire Stud Earrings

This is a pair of classic solitaire stud earrings, traditionally designed for pierced ears. The earrings feature round brilliant-cut colorless stones, which appear to be approximately 0.5 to 1.0 carat each in size. The stones are held in place by a white metal setting, likely silver-tone costume metal, sterling silver, or possibly white gold, featuring a four-prong 'basket' style construction. The prongs are rounded and securely grasp the girdle of each stone to maximize light entry. The mounting consists of a straight post with standard butterfly-tension friction backs, which are visible in the image. From a condition perspective, the stones exhibit a clear, bright luster, though a closer examination under magnification would be needed to determine if they are natural diamonds, lab-grown diamonds, or simulants like cubic zirconia. The metal shows minor signs of surface wear and light oxidation consistent with intermittent use. There are no missing prongs or visible structural damages to the posts. These earrings represent a timeless, minimalist style common in late 20th-century to contemporary jewelry design. The lack of visible hallmarks in the photograph suggests they may be mass-produced contemporary pieces, though quality hallmarks might be located on the posts themselves.

I have conducted a visual inspection of the round brilliant-cut solitaire stud earrings. The pair features a four-prong basket setting in a white metal alloy, utilizing standard friction-tension butterfly backs. Based on the visual characteristics, specifically the lack of visible laser-inscribed serial numbers on the girdle and the high-luster surface typical of synthetic simulants, I am valuing these as high-quality costume jewelry or sterling silver with cubic zirconia (CZ). The market for such contemporary, mass-produced minimalist jewelry is saturated, keeping the resale value low compared to fine jewelry. Comparable sales for sterling silver CZ studs currently range from $25 to $150 depending on the brand. Demand remains high for this 'timeless' style, but rarity is non-existent. There are significant limitations to this appraisal. Without physical inspection, I cannot verify metal purity via acid testing or hallmarks, nor can I distinguish between natural diamonds, lab-grown diamonds, or simulants using a thermal conductivity probe or Moissanite tester. To provide a high-valuation fine jewelry appraisal ($1,500+), I would require an in-person examination to check for inclusions under 10x magnification, a GIA/IGI grading report, and spectroscopic analysis of the stones. As it stands, the absence of visible hallmark stamps in the provided images suggests a non-precious or lower-tier precious metal construction.