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Special Series

Grand Logarithmic Grit Chart

Knife Sharpeners and Stone Formats Compatibility Chart

Venev Celectial Family

Venev 6" x 1" Centaur Series Dual Side Diamond Set


Set (Diamond Concentration)
diamond concentration is better for toothy edge and high performance,
diamond concentration is better for polish and scratch removal.


Venev Centaur Series Dual Side Diamonds are used for sharpening knives on Hapstone and TSProf guided knife sharpeners, as well as freehand sharpening. Diamond sharpening stones offer excellent performance in sharpening knives of any steel.

Centaur Series is dual side diamond with two 1 mm-thick diamond-bearing layers on the aluminum plate. The diamond-bearing plate contains evenly distributed diamond grains with resin bonding. The manufacture of bonded diamonds is more complex than for coated diamonds. Bonded diamonds provide better feedback and give the sharpening stone a much longer lifespan.

The OCB version of Venev Diamonds utilizes a brand-new yellow binder with no abrasive particles in the composition. OCB is available in fine grits only and offers better scratch-free sharpening results.

All Venev diamonds use FEPA-F grit classification. Centaur Series is available in six grit combinations.

  • F80 + F150
  • F100 + F240
  • F240 + F400 OCB
  • F400 OCB + F800 OCB
  • F800 OCB + F1200 OCB
  • F1200 OCB + F2000 OCB

F80 to F 240 utilize legacy binder. F 400 to F 2000 utilize OCB binder. Three combinations are available in 25% or 100% diamond concentration. 25% diamond concentration is better for scratch-free sharpening. 100% diamond concentration is better for high performance.

1200 vs 2000 - Aesthetics vs Functionality

Attention! OCB 2000 is an experimental product of Venev in all form-factors.

OCB 1200 is an optimal finish stone for most because it creates a beautiful mirror finish edge and a very good scratch pattern.

OCB 2000 creates hair whittling edge of good geometry and improves edge retention. However, OCB 2000 creates a scratch pattern with parasite scratches caused by diamond agglomeration.

Finish with OCB 1200 if the aesthetic is your priority, or you are in doubt.

Finish with OCB 2000 if the functionality is your priority.

Additional lapping is strongly recommended for OCB 2000 to improve the sharpening result. Use loose silicon carbide powder of progression F120 -> F400 -> F2000.

Set composition

Four Centaur sets are available: 2 with F1200 and 2 with F2000 as the finish. 

Stone set 3-Centauri (recommended):

  • F80 + F150 100%
  • F240 + F400 OCB 25%
  • F800 OCB + F1200 OCB 25%

Stone set Beta Centauri:

  • F80 + F150 100%
  • F240 + F400 OCB 100%
  • F800 OCB + F1200 OCB 100%

Stone set Hadar:

  • F100 + F240 100%
  • F400 OCB + F800 OCB 25%
  • F1200 OCB + F2000 OCB 25%

Stone set Alpha Centauri:

  • F100 + F240 100%
  • F400 OCB + F800 OCB 100%
  • F1200 OCB + F2000 OCB 100%

3-Centauri set is recommended for the full progression with mirror polish result.

Alpha Centauri set is recommended for experienced users if edge functionality is more important than mirror finish.


Each stone:

  • Product size: 150 x 25 x 10 mm (6" x 1" x 3/8")
  • Weight: 90 g (3.2 oz)
  • Abrasive: Synthetic Diamonds with phenol-formaldehyde bonding
  • Extra materials: Aluminum
  • Flatness tolerance: up to 0.2 mm

How to use

Venev Diamonds are recommended to be used with water as a lubricant for the best feedback. The diamond does not absorb water. Splash water on the stone's surface. Dry usage is an acceptable practice, although it results in faster wearing and speeds up stone loading.

Venev Diamonds may have the flatness tolerance up to 0.2 mm. Additional flattening and lapping can be performed by a customer to improve sharpening quality. We recommend using loose silicon carbide powder. Using a diamond lapping plate is not recommended.

Questions and answers

If you have a question regarding this product, please feel free to ask.

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