Check for a hallmark or stamp
Use a magnet test
Look for discoloration or tarnish
Perform a density test
Do a ceramic scratch test
Use a nitric acid test
Test with an electronic gold tester
Have it checked by a jeweler or assay office
Check for a hallmark or stamp
Use a magnet test
Look for discoloration or tarnish
Perform a density test
Do a ceramic scratch test
Use a nitric acid test
Test with an electronic gold tester
Have it checked by a jeweler or assay office