• 30X Eye Loupe. Simply rub your item on our test stone then apply a drop of the solution onto the gold streak left on the stone and if the streak is unaffected, your material must be at least 10K gold or higher in karat.

Silver & Platinum Testing. Platinum Testing Solutions ✔ ✔ ✔ ✔ ✔. Gold Testing. Diamond Testing. Silver Testing Solution ✔ ✔ ✔ ✔ ✔. (Testing stone not included). Gold Testing Solutions ✔ ✔ ✔ ✔ ✔. Try our new testing stones with etched in instructions and designated testing areas to make testing easier than ever!

EXAMPLE: If the object passes the 18K test but fails the 22k test then the object must be at least 18 karats but less than 22 karats so the material would be rated at 18 karat gold. Silver & Platinum Testing.

EXAMPLE: If the object passes the 18K test but fails the 22k test then the object must be at least 18 karats but less than 22 karats so the material would be rated at 18 karat gold. Diamond Tester. Silver & Platinum Testing.

Results are as follows: If the streak is unaffected, it is platinum. If the streak dissolves or changes color, the material is not platinum. Palladium will usually turn red. EXAMPLE: If the object passes the 18K test but fails the 22k test then the object must be at least 18 karats but less than 22 karats so the material would be rated at 18 karat gold.

Simply rub your item on our test stone then apply a drop of the solution onto the gold streak left on the stone and if the streak is unaffected, your material must be at least 10K gold or higher in karat.

(battery included). Silver & Platinum Testing. Platinum Testing Solutions ✔ ✔ ✔ ✔ ✔. 0.01g Digital Scale. Gold Testing. Gold Testing Solutions ✔ ✔ ✔ ✔ ✔. Silver Testing Solution ✔ ✔ ✔ ✔ ✔. Gold, Silver & Platinum Testing.