INFOGRAPHIC: 8 Reasons Jewelers Should NOT Use Acid to Test Jewe... In our last article we saw how one gold dealer tests, weigh... by Jonathan Margalit, PhD / 12.17.2013 Read More INFOGRAPHIC: 8 Reasons Jewelers Should NOT Use Acid to Test Jewelry
VIDEO: How Does a Gold Dealer Value Jewelry? Here’s a short video demonstration that shows how one gold... by Jonathan Margalit, PhD / 12.12.2013 Read More VIDEO: How Does a Gold Dealer Value Jewelry?
Buyer (and Seller) Beware…. Fake Gold Hitting Pawn Shops and J... [Administrative Note: Because this is usually the busiest se... by Jonathan Margalit, PhD / 12.05.2013 Read More Buyer (and Seller) Beware…. Fake Gold Hitting Pawn Shops and Jewelry Stores