4"x3/4" Diamond Convex Grinding Wheel | Lapidary Carving & Contouring Tool for Gemstone, Opal & Glass

The Diamond Convex Grinding Wheel, also called the Diamond Pacific Convex Carving Wheel, is a diamond grinding wheels  precision-engineered tool designed for lapidary carving, contouring, and shaping. Its convex profile enables smoothgrinding andpolishing of rounded edges, curved surfaces, and deep grooves with outstanding stability and smoothness.

Constructed with a solid steel core and a rim coated with premium industrial diamonds, this wheel delivers superior cutting strength, balance, and extended lifespan. It is ideal for shaping opal, refining gemstone surfaces, and carving contoured channels for jewelry work.

Compatible with machines such as Diamond Pacific Titan, Genie, and Pixie. Available in 1/4", 1/2", and 1" widths and a variety of diameters. Includes 1" arbor and bushings for 1/2", 5/8", and 3/4" shafts . 

✅ Features

• Convex profile ideal forcurved surfaces, grooves, and contourshaping. 
• industrial -grade diamond coating for fast cutting and long service life.
• Stable steel core ensures vibration-freegrinding and smoother control.
• Suitable for sintered diamond wheel grinding,lapidary shaping, cabbing, and pre-polishing.
• Compatible with leadinglapidary machines: Titan, Genie, Pixie.
• Available in multiple widths and diameters for different carving applications.
• Effective on gemstones,glass, ceramics , carbide, and similar hard materials.

✅ Application

• Gemstone carving and profiling (opal, agate, jade, crystal)
• Lapidarygrinding,shaping, cabbing, and contouring
• Glass carving and stained-glass edgeshaping
• Jewelry groove cutting and intarsia channel forming
• Precision shaping on ceramics and carbide tools
• Pre-polishing before resin or cerium final finishing