How to Test Gold at Home

Advanced 1 hour 17 steps 23087 views Rating: 4.4/5 Published: 2026-01-13

Look for a hallmark.. Look for fading around the edges of the piece.. Look for spotting on the piece's surface.

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Steps

1

Look for a hallmark.

Step 1

Look for a hallmark.

2

Look for fading around the edges of the piece.

Step 2

Look for fading around the edges of the piece.

3

Look for spotting on the piece's surface.

Step 3

Look for spotting on the piece's surface.

4

Place a magnet against the potential gold item.

Step 4

Place a magnet against the potential gold item.

5

Apply some vinegar to the surface and look for a color change.

Step 5

Apply some vinegar to the surface and look for a color change.

6

Rub your gold against a jeweler's stone.

Step 6

Rub your gold against a jeweler's stone.

7

Rub your gold across a ceramic plate.

Step 7

Rub your gold across a ceramic plate.

8

Test your gold against liquid foundation makeup.

Step 8

Test your gold against liquid foundation makeup.

9

Use an electronic gold tester.

Step 9

Use an electronic gold tester.

10

Insert your gold into an XRF machine.

Step 10

Insert your gold into an XRF machine.

11

Take your gold to an assayer.

Step 11

Take your gold to an assayer.

12

Buy an acid testing kit for a more precise estimate of gold karat purity.

Step 12

Buy an acid testing kit for a more precise estimate of gold karat purity.

13

Inspect the needles for karat value labels.

Step 13

Inspect the needles for karat value labels.

14

Make a notch with an engraving tool.

Step 14

Make a notch with an engraving tool.

15

Put on protective gloves and goggles.

Step 15

Put on protective gloves and goggles.

16

Place a drop of acid on the notch.

Step 16

Place a drop of acid on the notch.

17

Read the results.

Step 17

Read the results.

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