Supplies

Free Ground Shipping in the USA 30-Day Return Policy/No Restocking Fees Customer Support is always available!       Email: support@thegemstonelab.c...

Free Ground Shipping in the USA 30-Day Return Policy/No Restocking Fees Customer Support is always available!       Email: support@thegemstonelab.c...

Free Ground Shipping in the USA 30-Day Return Policy/No Restocking Fees Customer Support is always available!       Email: support@thegemstonelab.c...

Free Ground Shipping in the USA 30-Day Return Policy/No Restocking Fees Customer Support is always available!       Email: support@thegemstonelab.c...

Free Ground Shipping in the USA 30-Day Return Policy/No Restocking Fees Customer Support is always available!       Email: support@thegemstonelab.c...

Free Ground Shipping in the USA 30-Day Return Policy/No Restocking Fees Customer Support is always available!       Email: support@thegemstonelab.c...

Free Ground Shipping in the USA 30-Day Return Policy/No Restocking Fees Customer Support is always available!       Email: support@thegemstonelab.c...

Free Ground Shipping in the USA 30-Day Return Policy/No Restocking Fees Customer Support is always available!       Email: support@thegemstonelab.c...

Free Ground Shipping in the USA 30-Day Return Policy/No Restocking Fees Customer Support is always available!       Email: support@thegemstonelab.c...

Bring out a flawless, mirror-like shine on your stones and glass with Hi-Tech Diamond Tech-11 Polishing Pads. Crafted from high-density, all-natura...

When your rock tumbler slows, slips or won’t start, the culprit is often a worn or damaged drive belt. This genuine OEM replacement drive belt from...

Get beautifully polished stones every time with the Thumler’s Tumblers 4-Step Grit Kit—sized perfectly for the AR12 and Model B rotary tumblers. Ea...

CabKing full face diamond laps are used for both rough and fine grinding on stones and glass. They are also useful for putting flats on larger cabs...

When it comes to shaping and grinding stone efficiently, diamond abrasives are the gold standard. Ameritool 12" Diamond Grinding Discs are designed...

When your lapidary project moves beyond shaping and into the critical pre-polish stage, the right disc makes all the difference. Resin Bond Diamond...

Achieve a smoother, high-gloss finish every time without the frustration of trial and error. This complete 4-step grit and polish kit is designed t...

Achieve consistently smooth, high-gloss results on larger batches of stones—without the frustration of inconsistent finishes or running out of grit...

Keep your tumbler running smoothly with this genuine replacement knurled nut designed specifically for Lortone barrels. Built for a secure, hand-ti...

Keep your tumbler running quietly, cleanly, and leak-free with a properly sealed barrel. This replacement boot gasket for the Lortone 3A rock tumbl...

Power your tumbler back to life and keep your batches rolling smoothly with a reliable motor replacement designed specifically for Lortone’...

When you’re serious about transforming rough stone into beautifully shaped pieces, your results depend on one key decision most beginners overlook—...

Take control of every stage of your tumbling process with premium Lortone graded silicon carbide grit, engineered for consistency, performance, and...