Guides for sellers
Know what you have before anyone makes you an offer.
How to tell if gold is real at home: 6 tests that work
Six safe at-home tests to tell real gold from plated or fake, from hallmarks to the magnet test, and which ones to skip.
Gold karats explained: 24K, 22K, 18K, 14K and 10K
What gold karats mean, how purity affects value, and how to read the stamps on your jewelry, with today's value per gram for each karat.
How to weigh gold at home and avoid the 10% ounce mistake
How to weigh jewelry accurately with a kitchen scale, convert grams, pennyweight and troy ounces, and avoid the most common estimating error.