Trusted Accuracy for Over 40 Years

Made in the USA, JSP gold and silver testing acids deliver professional precision and freshness you can rely on. Our testing kits and refining supplies are trusted by jewelers, pawn shops, precious metal buyers, refiners, and prospectors across the United States.

  • 9 Slotted Large Wooden Bamboo Handcrafted Storage Box for Gold Silver Platinum Acid Jewelry Test Kit and Supplies GTE

    Gold Testing Kits

    Professional gold and silver testing kits for jewelers, refiners, and precious metal buyers.

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  • Aqua Regia Gold Refining Kit – 69.8–70% Nitric Acid & 31–37% Hydrochloric Acid (32oz/32oz) GTE GTE

    Gold Refining Kits – Aqua Regia Gold Recovery Systems

    Gold refining kits for dissolving and recovering gold from scrap jewelry, electronic scrap, and gold-plated materials. Includes aqua regia chemical kits, precipitant chemicals, filtration supplies, and refining tools.

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  • Adventure Sluice Box Gold Pan Kit | Gold Prospecting Equipment Prospectors Dream

    Gold Prospecting Equipment

    Sluice boxes, Dream Mat sluice mats, and prospecting tools for gold recovery in the field.

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  • Professional Digital Scale KG, G, 1600g x 0.1g - GEMORO PRO1601 Pepetools

    Precious Metal Testing Tools

    Testing stones, scales, magnets, and tools for verifying precious metal purity.

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Gold Silver Jewelry Test Kit 10K 14K 18K 24K Digital Scale Diamond Tester Acid JSP

Jewelry Testing Kits

Why Choose JSP

Each JSP testing solution is precision-formulated and freshly bottled in the USA under strict quality control. Our bottles are three times larger than standard import kits, delivering stronger reactions, more tests per bottle, and consistent professional results.

Trusted by professionals since 1983, JSP acids provide unmatched reliability, shelf stability, and accuracy.

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Shop Diamond & Gemstone Testing

Whether you are verifying jewelry purity, evaluating scrap gold, or refining precious metals, reliable testing equipment is essential. Our professional gold testing kits, silver testing kits, and precious metal testing tools allow you to quickly confirm metal purity before buying, selling, refining, or recovering valuable materials.

Aqua Regia Gold Refining Kit – 69.8–70% Nitric Acid & 31–37% Hydrochloric Acid (32oz/16oz) GTE GTE

GOLD REFINING & RECOVERY

Looking to refine your Gold?

Experience the pinnacle of gold refining with GTE's advanced chemicals. Our innovative solutions redefine purity, ensuring that your precious metals shine with unmatched brilliance.

Many professional refiners combine specialized chemicals with a ceramic crucible for gold and silver melting to process metals efficiently during high-temperature refining and recovery workflows.

GOLD REFINING KITS

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Gold Panning & Mining

Discover our newest Gold Prospecting Equipment Collection, featuring professional tools designed for prospectors, hobby miners, and outdoor gold hunters. This collection includes high-quality sluice boxes, Dream Mat sluice mats, gold panning supplies, cleanup tools, and prospecting accessories built to help you recover more gold from your material.

Whether you're working a creek, running a sluice box for gold, or processing concentrates at home, the right equipment makes all the difference. Our prospecting gear is designed to capture fine gold efficiently and improve recovery rates for both beginners and experienced miners.

From gold panning equipment to advanced sluice systems, explore reliable gold mining equipment built for serious prospectors.

Browse the collection to find the tools you need for successful gold prospecting and gold recovery.

Gold Prospecting & Mining

MOST POPULAR

JEWELRY TEST STONES

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diamond ring close-up jewelry piece used for gold and silver testing verification

PREMIUM TEST KITS

99% ACCURACY

We know how important it is to get the most bang for your buck when selling your precious metals! Our top quality Gold, Silver, Platinum and Diamond tester kits quickly determine the purity and precious metal content, GUARANTEED!

Using a reliable gold purity testing kit for pawn shops and jewellers allows professionals to quickly confirm karat value and ensure fair transactions when dealing with valuable jewellery or scrap gold.

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Satisfied Customers

  • ⭐⭐⭐⭐⭐

    AMAZING!
    Thank you. Very professional packaging and highly recomended if you want a great no hastle experience. A++++!!!

    _Spendthrifty's

  • ⭐⭐⭐⭐⭐

    100% FRESH. Thank you! The acid testing kit was fresh, factory sealed, and arrived quickly packaged in a bubble wrap envelope! I def will buy from again!

    _The_Corner_Gypsy

  • ⭐⭐⭐⭐⭐

    GREAT. Wonderful exactly what I wanted. Perfect and fast delivery. Couldn't be happier with my purchase, I truly appreciate everything!

    _Kim Norris

Gold Testing Kits, Precious Metal Testing Tools & Refining Supplies

Gold & Silver Testing Equipment supplies professional gold testing kits, silver testing kits, and precious metal testing tools trusted by jewelers, pawn shops, refiners, and precious metal buyers across the United States.

Our testing equipment allows professionals to quickly verify karat purity and metal authenticity when buying, selling, or evaluating jewelry, coins, and bullion. Accurate precious metal testing is critical for avoiding costly mistakes when working with valuable materials.

In addition to testing tools, we also supply gold refining supplies and silver refining supplies used by hobby refiners, professional refiners, and metal recovery specialists. These products support processes such as gold recovery, refining scrap jewelry, and purifying precious metals.

Whether you are a jeweler verifying gold purity, a pawn shop evaluating customer items, or a refiner recovering metals from scrap, our tools and supplies are designed to deliver reliable and consistent results.