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Authenticate 1 oz gold coins by diameter, thickness, and weight

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The Gold Coin Balance

Know it's real.

A precision tool that tests 1 oz bullion coins for diameter, thickness, and weight. No batteries, no guesswork, always reliable.

How it works

Three measurements. One verdict. 

  • Test Diameter

    Seat the coin in its gauge. An authentic coin fits the exact cutout for its type, often snugly.

    Diameter test
  • Test Thickness

    Slide the coin through the slot. Too thick or too thin, and it fails.

    Thickness test
  • Test Weight

    Rest it on the fulcrum. Density-controlled polymer is perfectly balanced for an accurate reading.

    Weight test

Built for the world's SEVEN most popular gold bullion 1oz coins.

  • 1 oz

    American

    Eagle

  • 1 oz

    American

    Buffalo

  • 1 oz

    Canadian

    Maple Leaf

  • 1 oz

    South African

    Krugerrand

  • 1 oz

    Austrian

    Philharmonic

  • 1 oz

    Australian

    Kangaroo

  • 1 oz

    Chinese

    Panda

One piece. No batteries. Nothing to calibrate.

Design
Two-sided, dual-fulcrum balance in a single compact piece.
Material
Density-controlled polymer, perfectly balanced for accurate measurement.
Power
None needed. It works anywhere you buy, sell, or store coins.

A convenient, robust, and reliable tool:

  • The Gold Coin Balance

    The Gold Coin Balance

    Price: $27.00

    Details

    • Test the seven most popular 1oz gold coins: Philharmonic, Eagle, Krugerrand, Maple, Kangaroo, Panda, and Buffalo
    • Tests diameter, thickness, and weight
    • Density-controlled polymer is perfectly balanced for accurate measurements
    • Two-sided, dual-fulcrum design for a compact, single piece. No batteries required, always consistent. 
    Buy now

FAQ

The usual questions...

Which coins can I test?

The Gold Coin Balance tests the seven most popular 1 oz gold coins: American Eagle, American Buffalo, Canadian Maple Leaf, South African Krugerrand, Austrian Philharmonic, Australian Kangaroo, and Chinese Panda.

Does it need batteries or calibration?

No. It is a single piece of density-controlled polymer with a two-sided, dual-fulcrum design. Nothing to charge, nothing to calibrate.

My real coin fits tightly. Is that normal?

Yes. The balance is cut to exact specifications, so authentic coins can fit snugly. Center the coin on the balance for the most accurate result.

What does it check?

Diameter, thickness, and weight. A counterfeit has to match all three at once, which is where most fakes fail.

How long has the Gold Coin Balance been around?

15 years. We have been helping collectors and dealers verify their gold since 2011.

How many have you sold?

Over 25,000, without issue.

Do you offer wholesale or custom decal orders?

Yes. Shoot us an email and let’s open up a conversation.

Do you make a silver version?

Yes. The Silver Coin Balance is our other creation, available at silvercoinbalance.com.

Still have a question?

Email us and we will get back to you.

Email us

OVER 25,000 SOLD SINCE 2011

  • Simple, yet effective

    This device does exactly what it says it will. A great quick check to see if a coin is genuine. Highly recommended.

    Mark W Mumma

    Verified Amazon purchase · May 2023

  • Great coin detector!

    Great coin detector for on the go! Allows me to buy coins with less doubt whenever I don’t have an electronic tester.

    jay

    Verified Amazon purchase · December 2024

  • works well

    Works well and saved me from buying a different expensive product who shall remain nameless... used it on eagles, maples and a few buffalo's I have...

    Nick Kolos

    Verified Amazon purchase · July 2016

  • Easy to Use and Works Well

    Checked Krugerand and US Eagle, both seemed to measure accurately. Nice tool to have.

    Brian

    Verified Amazon purchase · March 2023

  • Works well.

    Tested against some coins I know are good. It worked very well.

    Kathy/Jim W.

    Verified Amazon purchase · March 2017

  • Five Stars

    Checking the weight and dimension of the coin was reassuring.

    Sand Dancer

    Verified Amazon purchase · September 2017

  • Perfect!

    Everyone needs to have this!

    Mike

    Verified Amazon purchase · September 2024

  • Five Stars

    Tested all my coins with perfection!

    P. Londino

    Verified Amazon purchase · July 2017

  • accurate and the same as the Gold Exchange use. ...

    accurate and the same as the Gold Exchange use. In a physical comparison there was no different with same positive results.

    Theron W Smith

    Verified Amazon purchase · July 2017

  • Nice tool when buying coins

    Super and simple tool to check that any gold and silver coins are to spec.

    Kapitan Ronn

    Verified Amazon purchase · December 2022

  • True peace of mind

    I had to use a file just to get all my coins to pass.. I'm so joking.. this is an awesome piece of mind to own and to know that what you have is real. So Simple

    The Remnant

    Verified Amazon purchase · December 2023

  • verynice

    3 ways to check a coin,very nice

    Joseph A

    Verified Amazon purchase · April 2017

  • GOLDENWEALTH - The shop is awesome, shop is cool item is the best! How TO DETECT FAKE GOLD COIN

    HOW TO DETECT A FAKE GOLD COIN - From GOLDENWEALTH IS SIMPLE AWESOME TOOL. Hear about it from Jeremiah Babe on youtube. Bought one and Amazon shipping lost it. Bought another one and received it today. It is as discribed and so simple anyone can use it. Best tool for what is on its way. Thank you GOLDENWEALTH

    Kim

    Verified Amazon purchase · September 2022

  • A Third A Third A Third

    Haven’t used it to determine if a coin is fake but just had one returned from grading as counterfeit so people it does happen. I would invest in this if you are a golf or silver collector!
    Sincerely
    PiNKKiTTi

    Southern Circuit Electronics

    Verified Amazon purchase · January 2023

  • Cheap way to check for fake coins

    I've always bought from reputable dealers, but this isn't bad to have around.

    charles demes

    Verified Amazon purchase · May 2024

  • Cool tool for checking coins

    Goot tool but Very expensive for a 7 inch molded plastic that cost 50 cents to make.

    Bob V

    Verified Amazon purchase · March 2023

  • Albums

    Perfect for use in nursing homeb

    Sz’sAngels

    Verified Amazon purchase · May 2026

Alleviate unnecessary fear and stress when trading gold. Just use a balance... 

Check every coin you buy, sell, or hold in seconds.

Shop now