GRS policy on the reporting of the new treatment applied to Fancy sapphires of various colors:

Case A. Fancy sapphires with the following characteristics: Orange-pink to red colors face-up, center of the stone and rim are different colors visible:

ID: Natural Fancy Sapphire
e.g. Color: orangey-pink (pink core and orange rim)
e.g. Color: red (purplish-red and orange rim)

Comment section:
H(Be) Enhanced by heat and light elements (e.g. Beryllium).
Research reference see Internet: www.gemresearch.ch/journal/index.htm

Padparadscha and Ruby* reports will not be issued for gemstones with orange rim confined to the surface.

Ruby certificates for Be-treated corundum may be given exceptionally, but if, it will be provided with the additional comment under the comment section:

*Be-treatment produced a considerable color enhancement from a "fancy color" towards "vivid red”.

Natural Orange Sapphire

Comment section:
H(Be)
Research reference on the Internet: www.gemresearch.ch/journal/index.htm

Full description of the treatment is given on the reverse side of the report as (with a remark on the front page on important information on reverse side):

H(Be) Enhanced by heat and light elements (e.g. Beryllium).
Clarity and/or color are enhanced by heat and diffusion of light elements such as Beryllium, inducing color zoning by internal migration of trace elements (incl. Beryllium) and defects, and formation of color centers. (Not corresponding to conventional surface diffusion treatment), Treatment is permanent. Recutting requires special care if thin orange rims are confined to the surface. See Internet publication
http://www.gemresearch.ch/journal/index.htm.



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