Guides
Selling Guides from Gold King
Straight answers about what your gold, silver, diamonds, coins and luxury watches are worth in Houston — written by the people who appraise them at the counter.
Diamonds
DiamondsHow to Sell a Diamond: 4Cs, Reports & Pricing
Understand the 4Cs, GIA vs. other reports, lab-grown vs. natural, and how diamond resale pricing really works before you sell.
- Diamonds
How Diamonds Are Evaluated Before Sale
Learn how buyers assess diamonds using the 4Cs, certification, fluorescence and cut quality — plus how lab-grown stones are identified.