ronk15a

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Everything posted by ronk15a

  1. Dear David, You have a great sense of humor! McGyver, Heath Robinson, TANSTAAFL. All used absolutely perfectly in the context they were written! Back to Diamonds: Thanks for your insight and expertise; they are all greatly appreciated. Regards Ron
  2. Dear David, Thank you for your prompt response. Yes I know that for a diamond dealer/tradesman there is no definitive way to tell if a diamond is synthetic without a lab report from a top notch lab such as GIA, AGS, or Gueblin. However do you think that if I accumulated a hpht syhehethtic, hpht treated, and a cvd diamond and analyzed them using a darkfield/brightfield scope ie: Gemolite mark-v, super magnet, a 10x loupe, common sense, synthetic diamond information. I can conclude “this doesn’t look right†It needs to be checked out further; for %100 Origin certainty. I’m not looking for the impossible; definitive! I’m looking for (this does NOT look right) Conclusion.Your thoughts would be greatly appreciated! Regards Ron
  3. Dear David, Thank you very much for your quick, and informative response. I appreciate it very much. Regards Ron
  4. Dear David, I recently received a response from Mr. Neil Beaty regarding magnetism and HPHT. If you wouldn’t mind, I would like your expert opinion on this specific matter. Thanks again! GIA's Tom Moses, the senior vice president of GIA Laboratory and Research, and Wuyi Wang, the director of research and development for GIA New York, were featured speakers. Below is a link to an article dated 6/19/12. In the second to last paragraph it talks about HPHT synthetic diamonds and a dealers ability to identify them. http://www.diamonds.net/News/NewsItem.aspx?ArticleID=40409&ArticleTitle=GIA+Explains+Synthetic+Identification+Processes+at+DMIA+Meeting
  5. The original Post I’m interested in finding out if a high powered Neodymium Magnet will allow you to detect an HPHT synthetic diamond? My understanding is that during the HPHT process a metal catalyst is used such as iron/nickel/cobalt...Will a “Neodymium Magnet†such as an N52 magnetize to an HPHT synthetic? If yes; will the magnet magnetize to an HPHT annealed natural diamond? If anybody has an suggestions on other ways to detect HPHT please let me know? Thanks again! Regards Ron
  6. PLEASE NOTE: CUT AND PASTE IN YOUR URL. www.diamonds.net/News/NewsItem.aspx?ArticleID=40409&ArticleTitle=GIA+Explains+Synthetic+Identification+Processes+at+DMIA+Meeting[/url]
  7. http://www.diamonds.net/News/NewsItem.aspx?ArticleID=40409&ArticleTitle=GIA+Explains+Synthetic+Identification+Processes+at+DMIA+Meeting
  8. Dear David, I recently received a response from Mr. Neil Beaty regarding magnetism and HPHT. If you wouldn’t mind, I would like your expert opinion on this specific matter. Thanks again! GIA's Tom Moses, the senior vice president of GIA Laboratory and Research, and Wuyi Wang, the director of research and development for GIA New York, were featured speakers. Below is a link to an article dated 6/19/12. In the second to last paragraph it talks about HPHT synthetic diamonds and a dealers ability to identify them. http://www.diamonds.net/News/NewsItem.aspx?ArticleID=40409&ArticleTitle=GIA+Explains+Synthetic+Identification+Processes+at+DMIA+Meeting
  9. Dear Community, Is it possible to see reactions via a shortwave/longwave U.V. lamp? Specifically the one that GIA sells the (Multispec)? My understanding is that under U.V. light the HPHT synthetic stones fluoresce green-yellow. Is this true? What about HPHT natural; what color do they fluoresce? Does it vary; both in color/ and intensity. I believe that the CVD synthetic stones fluoresce a reddish-orange (and now green-yellow). Is this true? Is it accurate to say that diamonds that fluoresce blue under U.V. light are natural; because synthetic stones never fluoresce blue. Regards Ron
  10. Dear Neil Beaty, Thanks for the reply. Are you saying that HPHT natural stones will not have any metal in them whatsoever (even on the microscopic) level? Ron
  11. I recently purchased the lumagny scope, and find that it’s difficult to measure. Any suggestions? for instance i want to be able to know if a round diamond has 55-57% ideal table size. I want to know quickly, and efficiently, exactly the table size of a round stone. Any suggestions on the equipment. The formula i know, I need to know how to get the input numbers. Thanks Ron
  12. thank you. how do you support the stone, as the stone will be measured table up. ron
  13. I recently purchased the lumagny scope, and find that it’s difficult to measure. Any suggestions?
  14. for instance i want to be able to know if a round diamond has 55-57% ideal table size. I want to know quickly, and efficiently, exactly the table size of a round stone. Any suggestions on the equipment. The formula i know, I need to know how to get the input numbers. Thanks Ron
  15. What do you guys think about the ideal-scope, and having a hearts and arrows Triple X GIA graded stone for comparison purposes on hand at all times. Almost like having a (GIA Color Master Set) for Cut grading. This way I can examine exactly they way a Round: ideal/excellent cut stone should appear in the ideal-scope and compare it to potential/possible round diamond acquisitions.
  16. Dear David, Thank you very much for the information. You have been of great help. Thanks again! Regards Ron
  17. I recently purchased the GIA DiamondDock in hopes that it would shed some light on cut quality. I found that it was not very useful as far as color grading, or cut quality in regards to: sparkle, brilliance, scintillation, and fire. I find for color grading that my 40watt daylight fluorescent bulbs and a white business card work just fine. What do you guys think about the ideal-scope, and having a hearts and arrows Triple X GIA graded stone for comparison purposes on hand at all times. Regards Ron
  18. Let me be more specific; I’m interested in finding out what is the best way to determine a diamonds polish, symmetry, and overall cut quality? (poor, fair, good, very good, excellent).
  19. ronk15a

    1.2 Carat Diamond-Need Your Opinion

    I have a question about DiaVision by Sarin. Iam trying to learn about diamond cut quality. Does DiaVision provide a good solution for determing if a stone is well cut? Thanks for your help. Regards Ron