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Electric knife sharpener with 3 stages: coarse, fine, and polish.
A knife sharpener with a knife and sliced vegetables.
Sharpening a knife with an electric sharpener next to tomatoes
Knife sharpener with three grinding wheels and labels
A three-stage knife sharpener: Coarse, Fine, and Polish.
Underside of a knife sharpener with vents and removed battery compartment
A CASO electric knife sharpener with a knife being sharpened.
Electric knife sharpener with three sharpening stages: coarse, fine, and polish.
Electric knife sharpener with 3 stages: coarse, fine, and polish.
A knife sharpener with a knife and sliced vegetables.
Sharpening a knife with an electric sharpener next to tomatoes
Knife sharpener with three grinding wheels and labels
A three-stage knife sharpener: Coarse, Fine, and Polish.
Underside of a knife sharpener with vents and removed battery compartment
A CASO electric knife sharpener with a knife being sharpened.
Electric knife sharpener with three sharpening stages: coarse, fine, and polish.

DiamondSharp

Electric knife sharpener
Price  € 69.99
incl. VAT and plus shipping costs

Available again: approx. early August 2026.

Diamond coating, brilliant cutting results

Universal fit, for smooth and serrated blades

  • Compact and powerful electric designer knife sharpener
  • High-quality casing with a robust design for a long service life
  • Precise 3-stagesharpening system with two diamond-grinding stages and a ceramic polishing stage
  • Suitable for both smooth and serrated blades
  • Sharpens all common types of knives – from kitchen and household knives to sportsand pocket knives
  • Automatic, user-friendly sharpening process – no skill required and particularly easy to use
  • Precise angle guides for optimum sharpening results
  • Stage 1: Coarse grinding (diamond) – shapes the basic cutting edge and restores the original V-grind
  • Stage 2: Fine grinding (diamond) – removes burrs and smooths the cutting edge
  • Stage 3: Polishing stage (ceramic) – ensures a particularly sharp and finely aligned cutting edge
  • High efficiency and low noise levels thanks to a DC motor (12 V) with a noise level of just < 70 dB
  • Stays securely in place during use thanks to non-slip suction feet
  • Ideal for quick, reliable sharpening results in everyday use
Item no:
1710
Downloads:

Operation manual DiamondSharp (1710)
Dimensions (WxHxD):
280x90x95 mm
Weight:
0,95 kg
performance:
18 W
Voltage:
DC 12V, 50/60Hz
Colour:
Black, Silver

Manufacturer information

Manufacturer:

CASO GmbH

Raiffeisenstraße 9

Arnsberg, North Rhine-Westphalia, DE, 59757

Contact:

info@caso-design.de

Safety information

Please refer to the detailed instructions in the user manual.

Never leave people with disabilities or children unattended with kitchen appliances.

See also the instructions in the user manual.

Electric knife sharpener with knife and sliced vegetables on a wooden table.

The DiamondSharp knife sharpener from CASO Design is perfect for quick, precise sharpening results.

Electric Knife Sharpener

Ultra-sharp. Precise. Safe.

The Diamond Sharp electric knife sharpener from CASO Design is your perfect everyday companion: It works on both smooth and serrated blades and delivers ultra-sharp results—even without any prior experience.

The DiamondSharp features a precise 3-stage sharpening system with two diamond-grinding stages and a ceramic polishing stage, and sharpens all common types of knives—from kitchen and household knives to hunting and pocket knives. The precise angle guidance and the diamond coating on the diamond-grinding stages guarantee ultra-sharp, brilliant results: The coarse grind (diamond) shapes the basic cutting edge and restores the original V-grind, while the fine grind (diamond) removes burrs and smooths the cutting edge. Finally, the polishing stage (ceramic) ensures a particularly sharp and finely aligned cutting edge.

Electric knife sharpener with 3 stages: coarse, fine, and polish.

CASO Design "DiamondSharp"- Highlights:

  • Powerful electric knife sharpener with 3,200 rpm
  • Precise 3-stage sharpening system for outstanding results
  • Diamond sharpening stages & ceramic polishing for razor-sharp edges
  • Suitable for both straight and serrated blades
  • Universal use for kitchen, household, sports and pocket knives
  • Automatic sharpening process for effortless operation
  • Precision angle guides (12–22°) ensure optimal sharpening results
  • Quiet and efficient DC motor with less than 70 dB
  • Non-slip suction feet provide maximum stability during use
  • Magnetic shavings collector for clean and convenient maintenance
Sharpening a knife with an electric sharpener next to tomatoes

The DiamondSharp offers high efficiency with low noise levels (< 70 dB).

This compact and powerful knife sharpener is exceptionally easy and safe to use, making it ideal even for those with little prior experience with knife sharpeners. Thanks to its automatic, user-friendly sharpening process, the DiamondSharp delivers fast and reliable sharpening results for everyday use. The sturdy housing and the robust, arched design of the blades—featuring three bevels—ensure an exceptionally long service life.