AI Appraisal Estimate

This fine jewelry piece consists of a rectangular, slightly cushion-cut pale green gemstone, identified as prasiolite (also known as green amethyst), mounted in a 14k yellow gold setting. The gemstone features concave or fantasy-style faceting on the reverse, which creates a rhythmic, wave-like light play across the table. It is secured by four discreet prongs at the corners. The pendant is suspended from a delicate V-shaped bail that appears to be accented with small, round-cut diamonds or white stones for added brilliance. The assembly is held by a thin, approximately 16 to 18-inch 14k yellow gold box or wheat chain, which terminates in a standard spring-ring or lobster-claw clasp. The metal displays a bright, high-polish finish consistent with modern manufacturing from the late 20th to early 21st century. The prasiolite displays excellent clarity with no visible inclusions to the naked eye. While the image shows the piece in good wearable condition, close inspection may reveal minor surface abrasions on the gold from gentle use. The combination of the cool mint-green stone and the warm yellow gold suggests a contemporary aesthetic often found in boutique jewelry collections. No specific maker's marks are visible in the photograph, though the piece is confirmed by context as 14k gold.

I have virtually examined this 14k gold necklace featuring a rectangular cushion-cut prasiolite, commonly known as green amethyst. The focal point is the impressive mint-green gemstone, distinguished by its concave or fantasy-style faceting on the pavilion. This cutting technique maximizes brilliance and is indicative of modern lapidary work, likely post-2000. Visual inspection suggests the stone is approximately 8 to 12 carats, displaying excellent clarity and color saturation. The setting is a minimalist four-prong mount in what appears to be 14k yellow gold, accompanied by a V-shaped bail accented with small stones—likely diamonds or white sapphires—which add a touch of elegance without dominating the design. The item appears to be in very good condition with high polish on the metal surfaces, consistent with gently worn estate jewelry. The market for prasiolite is steady but accessible; it is not considered a rare investment gem but is popular in fashion and boutique jewelry for its unique hue. The value is primarily driven by the gold weight of the chain and setting, plus the quality of the cut and size of the center stone. Comparable contemporary pieces in retail boutiques often sell for over $1,000, but on the secondary market (auction or estate resale), prices settle lower. It is important to note that without physical testing, I cannot definitively confirm the karatage of the gold or the identity of the accent stones (diamond vs. zircon/sapphire). A precise gram weight and gemological testing for treatment (prasiolite is almost always heat-treated amethyst) would be required for a certified insurance valuation.