Is this Real? 5 Simple Home Tests to Verify Your Jewelry

Look, we’ve all been there. You find a "gold" necklace in a thrift store bin or pull an old ring out of a jewelry box and wonder: Is this actually worth something, or is it just fancy junk?

While a professional jeweler is the only way to be 100% sure, you can do some "vibe checks" at home right now. Put on your detective hat. Here’s how to spot a fake without leaving your kitchen.

1. The Magnet Test (The "Instant Reject" Move)

   Grab a strong magnet—not a flimsy one from your fridge, but a real one from a toolbox.
   The Rule: Real gold and sterling silver are not magnetic.
   The Test: Hold the magnet to your jewelry. If the piece snaps toward the magnet, it’s a fake. It’s likely steel or nickel hiding under a thin layer of gold paint.
   The Catch: If it doesn't stick, it still might be a fake (brass and copper aren't magnetic either), but it's a good first step.

2. The "Fog Test" for Diamonds

   This is my favorite because it takes two seconds.
   The Test: Hold the stone up to your mouth and huff on it like you’re trying to fog up a cold window.
   The Result: A real diamond is a master at dispersing heat. The fog should disappear instantly. If the stone stays cloudy for even a few seconds? It’s probably glass or cubic zirconia.

3. Hunt for the "Tiny Print"

   Get a magnifying glass (or just use the zoom on your iPhone). Look at the clasp or the inside of the band.
   The Good Stuff: Look for 14K, 18K, or 925. These are the hallmarks of quality.
   The Red Flags: If you see GP, GF, or GEP, put it back. Those stand for "Plated" or "Filled." It means there’s only a microscopic layer of gold on top of cheap metal.

4. The Vinegar Trick

   If you’re okay with a little kitchen science, grab some white vinegar.
   The Test: Put a couple of drops of vinegar on the metal.
   The Result: Real gold is tough; it won't change. But if the metal starts to turn green, black, or smoky? It’s a fake.
   Warning: Don't do this if the jewelry has pearls or soft stones! The acid will ruin them.

5. The Water Drop

   Gold is heavy. Like, surprisingly heavy for its size.
   The Test: Drop the item into a glass of water.
   The Result: Real gold sinks like a literal stone. It should go straight to the bottom. If it floats, hovers, or tilts weirdly on the way down, it’s a lightweight alloy.

Still Not Sure?

These tests are great for a quick "yes or no," but they aren't perfect. Lab-grown diamonds, for example, are so good they'll pass almost every home test because they are chemically real.

If you think you’ve found something special, bring it in to us. We’d love to take a look and give you the final word.