News and Upgrade Log
17 May 2013
Ruby and Sapphire sections reworked.
24 January 2013
Alexandrite, Spinel sections reworked.
30 October 2012
Spessartite, Spinel, Tanzanite sections reworked.
10 August 2012
Collector's gemstone Pezzottaite added to the database.
23 July 2012
Spinel and Tourmaline sections updated.
20 June 2012
Topaz section reworked and updated.
16 May 2012
Opaque clarity grade / cabochon shape added to Sapphire and Ruby sections.
25 April 2012
Ethiopian opals section released.
17 April 2012
Garnet color change section reworked.
16 April 2012
As you requested, the gemstone carat weight calculator has been implemented.
2 April 2012
Clarity coefficients updated.
26 March 2012
Tanzanite and Topaz sections reworked.
27 February 2012
Zircon section reworked.
24 February 2012
Collector's gemstone Amblygonite added to the database.
15 February 2012
Beryl, Spinel, Tourmaline, Tourmaline bi-color sections reworked.
14 February 2012
Emerald section reworked and extended.
31 January 2012
Tanzanite (Zoisite) section reworked.
30 January 2012
Tourmaline sections reworked and extended. Very rare variety of Tourmaline Paraiba (Brazil) added to the database.
25 January 2012
Topaz and Diopside sections reworked.
1 January 2012
Gemval team wishes you a happy new year and all the very best!
28 November 2011
UPDATE: Danburite, Spessartite sections reworked.
9 November 2011
UPDATE: Weight distribution analysis updated. Large crystals become more rare in 2011.
8 November 2011
INFO: Graphic design of the website reworked. Do you like the new look of Gemval? We appreciate your feedback, please send us your comments.