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Fancy-Color Diamonds: Better Color Appearance by Optimizing Cut

Oral Prezentation at IV Gemological Symposium, San Diego, Ca, USA 27-30 Aug 2006

Sergey Sivovolenko, OctoNus Software, Moscow, Russia
Yuri Shelementiev, Diamond Design, Moscow, Russia

  1. Content
  2. Color optimization method
  3. Diamond absorption spectra
  4. Two representations of colors
  5. A good fancy colored diamond should be bright and saturated
  6. Color potential of a colored diamond plate
  7. DiamCalc ray tracing options and photorealistic images
  8. One spectrum different cuts and different lightings
  9. Process flow
  10. Exploring rough diamond potential
  11. Rough allocation example
  12. Different allocation plans
  13. Automatic color optimization
  14. Optimization by color
  15. Optimization by contrast
  16. Optimization results
  17. Computer-aided color optimization
  18. Expert considerations
  19. The final stage: expert decision
  20. Verification of the technology: CZ material
  21. Real photos of CZ stones and photorealistic images based on Helium scanned 3d models
  22. Verification on fancy shapes CZ
  23. Summary
  24. More information about diamond cut study technologies
  25. Terms of colorimetry science (Hunt, 2004)
  26. Acknowledges
  27. References

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