Polishing & Finishing

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

60/90 Grit Blend – Stage 1 Tumbling & Lapping Abrasive 60/90 Grit Blend is the go-to abrasive for the first stage of rock tumbling and lapping,...

120/220 Grit Blend – Stage 2 Tumbling & Lapping Abrasive The 120/220 Grit Blend is the ideal abrasive for Stage 2 of the tumbling process, desi...

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

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...

Covington Tumbler Grit & Polish Kit – Complete 6-Step Kit for Rock Tumbling Success Start strong and finish brilliantly—everything you need for...

Get beautifully polished stones every time with the Thumler’s Tumblers 4-Step Grit Kit—packaged for the AR-2 & AR-3 Thumler's tumblers. Each pa...

Cerium Oxide is a fine, reddish-brown powder used by lapidaries and glassworkers to achieve a flawless, mirror-like polish on both stones and glass...

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 Returns and No Restocking Fees Have a Question? We're here to help!           support@thegemstonelab.com    ...

Achieve smooth, consistent results with Ameritool’s premium electroplated diamond discs, designed specifically for the Ameritool flat lap machine. ...

Keep your diamond saw blades cutting clean and efficiently with Covington’s high-quality dressing blocks. Over time, diamond blades can become glaz...

Protect Your Work, Perfect Your PolishWhen you're working with delicate stones or smaller pieces, the final polish can make or break the result. Ou...

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 lower USA 30-Day Return Policy/No Restocking Fees Customer Support is always available!       Email: support@thegemston...

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...

Keep your Lortone tumbler running smoothly with this genuine Lortone 3 lb Replacement Barrel Kit, designed specifically for the 3A and 33B tumblers...

Get the best performance from your diamond tools with Hi-Tech Diamond Diamond Coolant — a specially formulated surfactant designed to enhance cooli...

Get perfectly smooth results every time with Hi-Tech Diamond Acrylic Backing Plates — designed for precision, durability, and a flawless finish. Cr...