10 Best Diamond Sharpeners 2026 in the United States

The Work Sharp Precision Adjust Elite Knife Sharpener is a strong contender for anyone looking to maintain their kitchen, hunting, or serrated knives. One of its key strengths is the variety of abrasives included; with seven different grits ranging from 220 to 800, it allows for versatility in sharpening needs. This is particularly beneficial for users who have different types of knives or want to achieve various edge finishes. The adjustable sharpening angle between 15-30 degrees is another highlight, making it user-friendly for both novices and more experienced users wanting to customize their sharpening techniques.

The SHARPAL 162N Double-sided Diamond Sharpening Stone is designed for fast and efficient sharpening. It features industrial-grade monocrystalline diamonds electroplated onto a sturdy steel base, ensuring durability and heavy-duty performance. Users benefit from the dual grit system with Coarse 325 grit for quick edge setting and Extra Fine 1200 grit for honing, making it versatile for sharpening various hard materials like high-speed steel, carbide, ceramic, and cubic boron nitride.

The Work Sharp MK2 Professional Electric Knife and Tool Sharpener is an excellent choice for anyone looking to maintain a variety of blades, from kitchen knives to outdoor tools. One of its standout features is the flexible belts that adapt to different blade shapes, allowing for versatile sharpening of serrated knives, scissors, and more. The two-speed motor offers users control for both light and heavy sharpening tasks, which can be particularly useful when dealing with tougher tools like lawnmower blades and axes. The edge guide ensures that knives are supported throughout the sharpening process, enhancing the ease and effectiveness of the task.