A kitchen sharpening stone that restores blunt knives quickly and keeps edges flat using an electroplated diamond surface. Home cooks and keen chefs gain confidence preparing food with reliably sharp blades. Is the SHARPAL Diamond Whetstone Knife Sharpener the no-fuss way to keep knives razor-ready without oil or water?
⚡ At a Glance
- • Cutting Quality: Rapid material removal from coarse grit with a refined 1200-grit finish for sharp, consistent edges
- • Best for: Home cooks, professional butchers and DIY users needing fast edge maintenance
- • Not ideal for: Those who prefer lubricated oil or water stone sharpening routines
Electroplated monocrystalline diamonds on a 0.9 cm steel base deliver fast, durable sharpening. Dual grit sides, 325 and 1200, allow both quick edge setting and fine honing.
Fast edge restoration – thanks to electroplated monocrystalline diamonds
Industrial monocrystalline diamonds are electroplated onto a 0.9 cm thick steel plate, producing an abrasive surface that removes metal quickly and resists rapid wear. Manufacturer claims up to five times faster sharpening than traditional oil or water stones.
Quicker re-profiling of blunt blades gets knives cooking-ready in far less time. Frequent touch-ups before meal prep become practical rather than a chore.
Precise honing and polishing – with dual 325 and 1200 grit surfaces
One side uses 325 grit (approximately 45 micron) for initial edge setting, while the 1200 grit (about 12 micron) side refines and polishes the bevel. Dry sharpening is recommended, and the surface is rated for hard materials including high-speed steel, carbide, ceramic and cubic boron nitride.
Coarse grit quickly re-establishes a working bevel, while extra-fine grit produces a razor-like, kitchen-ready finish. Suitable for a wide range of blade steels and hard materials.
Stable, repeatable setup – with MirrorFlat surface, non-slip base and angle guide
MirrorFlat technology maintains a super-flat contact surface to avoid dishing that commonly occurs with oil and water stones. A storage box contains a rubber non-slip pad for a secure base, and an integrated angle guide offers four common sharpening angles: 14°, 17°, 20° and 25°.
Consistent contact and a firm working surface reduce user error and uneven wear. Built-in angle choices make achieving repeatable bevels straightforward for different knife types.
✨ The 4 Key Reasons for SHARPAL Diamond Whetstone Knife Sharpener
- Industrial diamond surface – Sharpens up to five times faster than oil or water stones.
- 325/1200 dual grits – Coarse sets the edge, 1200 refines to a razor finish.
- MirrorFlat technology – Maintains flatness, preventing dishing over long-term use for consistency.
- Angle guide and non-slip base – Secure, repeatable sharpening at 14°, 17°, 20° and 25° angles.
📋 Technical Details at a Glance
- Category: Home kitchen sharpening stone
- Grits: Dual side, 325 grit (coarse), 1200 grit (extra fine)
- Abrasive: Industrial monocrystalline diamonds, electroplated
- Base plate thickness: 0.9 cm steel base
- Compatible materials: High Speed Steel, Carbide, Ceramic, Cubic Boron Nitride
❓ Frequently Asked Questions
Q: Do I need oil or water to sharpen knives on this whetstone?
A: No, the diamond surface is designed for dry sharpening so oil or water is not required.
Q: What grit options are available and what do they do?
A: A 325 grit side (around 45 micron) sets and re-profiles edges quickly, while the 1200 grit side (around 12 micron) hones and polishes to a razor finish.
Q: Which blade materials can be sharpened?
A: Sharpening is suitable for high-speed steel, carbide, ceramic and cubic boron nitride according to the product description.
🏆 Our Verdict
Ideal for home cooks and professionals who want fast, reliable knife maintenance without messy lubricants. Electroplated monocrystalline diamonds, dual grits and MirrorFlat flatness make for quick edge setting and fine honing that lasts. Although initial cost can be higher, durable construction and a three-year warranty make long-term ownership cost-effective.
