Gold Testing Acid 10K 14K 18K Test Kit + Scratch Tester Stone + Rare Earth Magnet Jewelry Test Detect Precious Metals

JSP & GTE Gold Testing Kit

Professional 6-Piece Karat Verification Set

Confidently determine the karat value and authenticity of gold jewelry, scrap, bars, coins, and more with genuine JSP & GTE testing solutions trusted by professionals since 1980.

JSP testing acids are manufactured in the United States and are never imported. Freshness and consistency matter when testing real value, and every bottle is produced to professional standards for accurate, repeatable reactions.

Each 0.5 oz bottle provides enough solution for hundreds of tests and offers significantly more product than many small imported competitor kits.

Simple 3-Step Testing

Make a small scratch on the included test stone.

Apply a drop of the appropriate testing solution.

Observe the reaction and compare with the included color chart.

Fast. Clear. Reliable results.

The compact bottle size makes this kit easy to carry for estate buying, travel, auctions, or bench work.

What’s Included

• JSP 10K Gold Testing Acid – 0.5 oz
• JSP 14K Gold Testing Acid – 0.5 oz
• JSP 18K Gold Testing Acid – 0.5 oz
• GTE 2" x 2" Test Stone with non-slip rubber backing for secure desktop testing
• N35 Neodymium Rare Earth Magnet for quick preliminary magnet testing
• Easy-to-follow instruction booklet with color comparison chart

The included magnet helps quickly identify non-gold metals before acid testing, adding another layer of verification.

Ideal For

• Jewelry buyers and resellers
• Pawn shops
• Estate and auction buyers
• Scrap gold evaluators
• Investors verifying gold authenticity

When real money is involved, do not rely on diluted or imported acids. Choose a U.S.-manufactured brand with over four decades of trusted professional use and larger bottles that deliver long-term value.

If you have questions, we’re here to help.