Accessibility options

Switch to preferred accessibility theme:


Increase or decrease the text size:

  • Internet Explorer: View > Text Size > Largest

Keyboard navigation and access keys:

  • A - Accessibility options
  • 0 - Skip navigation
  • 1 - Home
  • 2 - Alexandrite chapters
  • 3 - Alexandrite directory
  • 4 - Alexandrite forums
  • 5 - Alexandrite gemstones
  • 6 - Alexandrite localities
  • 7 - Contact information
  • 8 - About Alexandrite Guide
  • 9 - Sitemap
  • Press ALT + Access Key, then ENTER.

Close

Alexandrite

Tsarstone collectors guide

diamond certification

11. Hong Kong Gems Laboratory
Established in 1987, Hong Kong Gems Laboratory is well equipped and recognized by gemologists and industry professionals. Full-service lab offers FTIR spectrophotometerservice, which provides evidence for jadeite jade and diamond, corundum, emerald and ot
HTML, 65 Kb, 2009-03-15 02:25:21
/directory/laboratories/hong-kong-gems-laboratory-wdd-003-00011.html
12. The Russian MSU Gemological Center
Found at 1995, MSU Gemological Center is a part of MSU Department of Geology and co-founders of the Russian Gemological Society (2000), the Union of Modern and Antique Jewelry Appraisers, and member of the Russian Diamond Chamber.
HTML, 65 Kb, 2009-03-15 02:33:25
/directory/laboratories/the-russian-msu-gemological-center-wdd-003-00013.html
13. European Gemological Laboratory
As a member of the EGL USA Group, European Gemological Laboratory (EGL) is a full-service lab and offers a comprehensive array of gem identification, evaluation reports including customized reports of identification for rough and polished diamonds as well
HTML, 65 Kb, 2009-03-15 02:22:20
/directory/laboratories/european-gemological-laboratory-wdd-003-00010.html
14. GemResearch Swisslab
Private gemological research company focused on the characterization of high-quality gems from newly opened mines.
HTML, 65 Kb, 2009-03-15 03:01:18
/directory/laboratories/gemresearch-swisslab-wdd-003-00016.html
Page 2 of 2 Back to Top <<
1 2
Bibliographic details
Page title diamond certification
Author David Weinberg
Website title Alexandrite Tsarstone Collectors Guide
Date published 31 May 2026 22:41 UTC
Date accessed 31 May 2026 22:41 UTC
Permanent link http://m.alexandrite.net/viewpage.html?id=ALXS-005-00001-1436-10-1
AMA style
David Weinberg. "diamond certification". In Alexandrite Tsarstone Collectors Guide. May 31, 2026, 22:41 UTC. Available at: http://m.alexandrite.net/viewpage.html?id=ALXS-005-00001-1436-10-1. Accessed May 31, 2026.
APA style
"diamond certification". (2026, May 31). In Alexandrite Tsarstone Collectors Guide. Retrieved 22:41, May 31, 2026, from http://m.alexandrite.net/viewpage.html?id=ALXS-005-00001-1436-10-1.
Bluebook style
"diamond certification", http://m.alexandrite.net/viewpage.html?id=ALXS-005-00001-1436-10-1 (last visited May 31, 2026).
Bluebook: Harvard JOLT style
See Alexandrite Tsarstone Collectors Guide, "diamond certification", http://m.alexandrite.net/viewpage.html?id=ALXS-005-00001-1436-10-1 (See results 11 - 14 of about 14 for diamond certification) (as of May. 31, 2026, 22:41 GMT).
CBE/CSE style
David Weinberg. "diamond certification". In Alexandrite Tsarstone Collectors Guide. 2026 May 31, 22:41 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2026 May 31, 22:41 UTC [cited 2026 May 31]. Available from: http://m.alexandrite.net/viewpage.html?id=ALXS-005-00001-1436-10-1.
Chicago style
David Weinberg, "diamond certification", http://m.alexandrite.net/viewpage.html?id=ALXS-005-00001-1436-10-1, (accessed May 31, 2026).
MLA style
"diamond certification". Alexandrite Tsarstone Collectors Guide. 31 May 2026, 22:41 UTC. 31 May 2026 http://m.alexandrite.net/viewpage.html?id=ALXS-005-00001-1436-10-1
MHRA style
David Weinberg, "diamond certification", Alexandrite Tsarstone Collectors Guide, 31 May 2026, 22:41 UTC, http://m.alexandrite.net/viewpage.html?id=ALXS-005-00001-1436-10-1 [accessed 31 May 2026].
Close options details