Yosef Caldaron has been with Winston Art Group since 2012, and is director of our newly-formed Fine Jewelry Acquisition Initiative. He is a seasoned jewelry professional with a deep understanding of the complex global gemstone and jewelry market. Possessing a breadth of experience that encompasses diverse roles in the industry, Yosef specializes in appraisal and advisory services with specific focus in important collections and rare acquisitions as our director of Fine Jewelry. A graduate of Cornell University with a Bachelor of Science in Hospitality and Business, Yosef also studied at the Gemological Institute of America (GIA) where he earned the following certificates: Accredited Jewelry Professional (AJP), Graduate Diamond (GD), and Graduate Pearl (GP) degrees; a gemologist through practical experience, he is currently completing the final course to earn the title of Graduate Gemologist (GIA). He is also a Member of the American Gem Trade Association (AGTA). Prior experience includes: Tiffany & Co. New York City in the fine jewelry sales department, Bader & Garrin Diamond Company as a diamond dealer and appraiser, as well as the Gemological Institute of America (GIA) laboratory in Ramat Gan, Israel, where Yosef was a diamond grader, having completed a 3 month full-time intensive training program that is unparalleled in the industry.
Concurrently, Yosef is a partner in Bader & Caldaron, and president of Josef C Diamonds where he is an advisor, and purveyor of fine jewels, estate collections, loose diamonds and gems.
Yosef brings a wealth of experience and knowledge to Winston Art Group as a Jewelry Specialist and Tel Aviv Liaison. As one of only a handful of select few to be granted full membership in the National Association of Jewelry Appraisers (NAJA), Yosef prepares appraisals for all purposes, including but not limited to: estate tax and planning, retail replacement for insurance, fair market, donation, damage or loss, collateral, and family division. Additionally, he assists clients with rare acquisitions and deaccessions through his extensive network of dealers, auction houses, and private clients.