Katherine Van Dell is a jewelry specialist and gemologist. Katherine is the director of jewelry for Heritage Auctions and co-director of Heritage’s Palm Beach office. A graduate of the Tyler ...

Van Dell Jewelers specializes in Custom Jewelry, buying and selling of Estate Jewelry, fine jewelry repairs of all kinds and buying and selling of all size diamonds and precious gem stones.

And how do untreated gemstones compare to treated gemstones? Van Dell explains. At the Salt Lake City ROADSHOW In August 2016, jewelry expert Katherine Van Dell appraised this ca. 1900 emerald ...