Precious Metal Testing Kits for Gold, Silver & Platinum
Fast U.S. Shipping — Orders ship within 24 hours • $4.99 flat-rate shipping • 2–5 day delivery
Trusted by jewelers, pawn shops, and precious metal buyers for fast, accurate testing of jewelry, coins, and bars.
Tests 9K–22K gold, silver, and platinum using a testing stone and professional-grade solutions.
Small Bottle: Approx. 30-40 tests | Standard Bottle: Approx. 100-200 tests Large Bottle: Approx. 300+ tests
Designed for use on a testing stone for clear, reliable results without applying acid directly to jewelry.
Pickup currently not available
Trusted by jewelers, pawn shops, and precious metal buyers for fast, accurate precious metal testing.
How Testing Works
A fast, simple process for verifying gold with confidence.
Step 1: Rub the item lightly on the testing stone
Step 2: Apply one drop of the matching testing solution
Step 3: Read the reaction to verify purity
Always test on the stone, not directly on jewelry. Only a small rub is needed
Start With the Basics
Gold-Filled vs Gold-Plated vs Solid Gold: How to Tell the Difference (2026 Guide)
Learn how to tell gold-filled, gold-plated, vermeil, and solid gold apart using hallmarks, wear patterns, magnet and density checks, and scratch-stone plus acid tests used by professionals.
Gold-Filled vs Gold-Plated vs Solid Gold: How to Tell the Difference (2026 Guide)
Gold-Filled vs Gold-Plated vs Solid Gold: How to Tell the Difference (2026 Guide)
How to Test Gold with Nitric Acid: Step-by-Step Safety & Accuracy Guide (2026)
Learn how to test gold with nitric acid like a pro. Step-by-step safety setup, accurate karat reading from 10K to 22K, color reaction chart, and the pro tips that prevent...
How to Test Gold with Nitric Acid: Step-by-Step Safety & Accuracy Guide (2026)
How to Test Gold with Nitric Acid: Step-by-Step Safety & Accuracy Guide (2026)
30-Day Returns
Ships from Colorado
Secure Checkout