News and Upgrade Log

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.

24 October 2011
INFO: Gemval publishes exclusive interviews with major gemstone traders working online and market analysts.

10 October 2011
UPDATE: Benitoite, Sphene, Spinel sections reworked.

9 September 2011
UPDATE: Alexandrite section reworked.

25 August 2011
UPDATE: Kornerupine, Phenakite data sections reworked.

18 July 2011
UPDATE: Emerald section reworked.

15 June 2011
UPDATE: Cut quality coefficients updated.

9 June 2011
UPDATE: Beta Version of Fancy Diamonds valuation system released. Fancy Diamonds section is available for subscribers.

16 May 2011
UPDATE: Diamond data section updated.

11 May 2011
UPDATE: Now you can download a printable version of the value charts in Adobe pdf format. The feature is reserved for subscribers.

29 April 2011
UPDATE: Beta Version of diamonds valuation system released. Diamonds section is available for subscribers.

21 April 2011
UPDATE: Amethyst, Aquamarine, Emerald sections updated. Ruby and Topaz sections reworked.

19 April 2011
UPDATE: Rare collector's mineral Sinhalite added to the database.

29 March 2011
UPDATE: Tourmaline section reworked: we extended greenish-blue color patterns for rare varieties of indicolite tourmaline.

28 March 2011
INFO: Personal Collection Monitor functions were reworked. Now you can add additional characteristics i.e. gemstone size, specific gravity, LW / SW fluorescence, origin etc. You can create a printing version of a Valuation Report and publish it on the Web (new features are available for subscribers).

10 March 2011
INFO: Please help us improving our service! Gemval developers need your feedback.

7 March 2011
UPDATE: Enstatite, Peridot, Rhodolite, Zircon sections updated.

3 March 2011
UPDATE: Mexican opals section added to the database.