AI Appraisal Estimate

This is an authentic David Yurman collar-style necklace, a signature piece from the 'Cable Classic' collection. The main structure consists of a rigid sterling silver cable-twist choker featuring a central smooth-polished 14k yellow gold barrel or station detail. Suspended from the center is a substantial faceted blue topaz pendant, cut in a stylized teardrop or pear shape. The gemstone is held securely within a sterling silver cage-style setting that mimics the structural lines of the cable design. The pendant's bail is integrated into the central gold bar, and the necklace is secured with a high-quality integrated push-button clasp. The craftsmanship reflects the luxury standards of the brand, with high-relief twisting and seamless transitions between metal types. Regarding condition, the piece shows a moderate layer of surface patina and oxidation typical of sterling silver, which is most visible in the recessed areas of the cable twist and around the pendant's frame. There are minor surface scratches on the smooth gold station and the pendant bail, consistent with regular wear. No structural damage, deep gouges, or gemstone chips are immediately visible. The style is characteristic of late 20th-century to early 21st-century designer jewelry. Internal hallmarks (likely 'D.Y.' and '.925' or '585/14K') should be present on the underside of the pendant bail and the clasp mechanism.

Based on the visual evidence and details provided, I have evaluated this collar-style necklace, presented as a David Yurman Cable Classic piece. The necklace features the brand's iconic sterling silver cable-twist design, accented with a 14k yellow gold central station and a large faceted blue topaz teardrop pendant. The visual characteristics, such as the high-relief twisting and seamless integration of the pendant bail, are highly consistent with David Yurman's established manufacturing standards. The condition of the piece shows signs of regular wear, including a moderate layer of surface patina and oxidation typical for sterling silver, as well as minor surface scratches on the untextured gold components. Fortunately, the blue topaz appears free of visible chips or abrasions. In the secondary market, David Yurman jewelry maintains strong demand due to high brand recognition and timeless design. Pieces combining sterling silver, 14k gold, and semi-precious gemstones like blue topaz typically fare well, though they do depreciate from their original retail prices. Comparable authenticated pieces currently trade between $500 and $800, depending on the exact dimensions of the collar and the carat weight of the gemstone. Please note the limitations of a photo-based appraisal. While the craftsmanship aligns visually with authentic designer standards, definitive authentication requires an in-person examination to locate and verify the specific 'D.Y.', '.925', and '14K' / '585' hallmarks. Furthermore, physical inspection is necessary to conduct acid testing on the metals and to perform gemological testing to confirm the blue topaz is natural and has not been subjected to undisclosed treatments.