If your gold is not stamped or hallmarked, it can be challenging to determine the purity of the gold. Hallmarks are stamps or markings that indicate the purity of the gold and are typically required by law in many countries. However, this requirement has some exceptions, and some jewelers or manufacturers may choose not to mark their gold jewelry for various reasons.

If you are unsure about the purity of your gold, you can take it to a reputable jeweler or appraiser for testing. Several methods can be used to determine the purity of gold, including acid testing, X-ray fluorescence testing, and fire assay testing. These tests can be performed on small samples of gold and accurately measure the gold’s purity.

Work with a reputable jeweler or appraiser when testing the purity of your gold, as many unscrupulous individuals may try to take advantage of those unfamiliar with the testing process. A reputable jeweler or appraiser will be able to provide you with an accurate measurement of the gold’s purity and can advise you on the value of your gold.