This untreated sapphire from the Spokane Bar Sapphire Mine has a light, moderately blue tinted lime green color and does a moderate amount of color shifting under different light souces, sometimes being more green and sometimes more of a grenish steely blue. Color: Pastel Lime Green, Slight Blue, Treatment: None, Cut: Fancy Reflector Pentagon, Weight: 1.17 Carat, Dimensions: 7.53 x 7.93. (Information supplied by photo contributor.) &copy; Daniel Stair, CustomGemstones.com

This untreated sapphire from the Spokane Bar Sapphire Mine has a light, moderately blue tinted lime green color and does a moderate amount of color shifting under different light souces, sometimes being more green and sometimes more of a grenish steely blue. Color: Pastel Lime Green, Slight Blue, Treatment: None, Cut: Fancy Reflector Pentagon, Weight: [&hellip;]

Sapphire | Green | 1.17 ct

Sapphire id-g-509062 - International Gem Society

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International Gem Society LLC

Corundum

Sapphire

This untreated <a href="https://www.gemsociety.org/article/sapphire-jewelry-and-gemstone-information/" data-wpel-link="internal">sapphire</a> from the Spokane Bar Sapphire Mine has a light, moderately blue tinted lime green color and does a moderate amount of color shifting under different light souces, sometimes being more green and sometimes more of a grenish steely blue. Color: Pastel Lime Green, Slight Blue, Treatment: None, Cut: Fancy Reflector Pentagon, Weight: 1.17 Carat, Dimensions: 7.53 x 7.93. (Information supplied by photo contributor.) <a href="http://customgemstones.com/" data-wpel-link="external" rel="nofollow external">© Daniel Stair, CustomGemstones.com</a>

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The late Donald Clark, CSM founded the International Gem Society in 1998. Donald started in the gem and jewelry industry in 1976. He received his formal gemology training from the Gemological Institute of America (GIA) and the American Society of Gemcutters (ASG). The letters &#8220;CSM&#8221; after his name stood for Certified Supreme Master Gemcutter, a designation of Wykoff&#8217;s ASG which has often been referred to as the doctorate of gem cutting. The American Society of Gemcutters only had 54 people reach this level. Along with dozens of articles for leading trade magazines, Donald authored the book &#8220;Modern Faceting, the Easy Way.&#8221;

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A geologist, environmental engineer and Caltech graduate, Addison&#8217;s interest in the mesmerizing and beautiful results of earth&#8217;s geological processes began in her elementary school&#8217;s environmental club. When she isn&#8217;t writing about gems and minerals, Addison spends winters studying ancient climates in Iceland and summers hiking the Colorado Rockies.

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The late Jeff Graham was a prolific faceter, creator of many original faceting designs, and the author of several highly-regarded instructional faceting books such as <a href="https://rockpeddler.com/product-category/instructional-materials/">Gram Faceting Designs</a>.

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Kyrylo Gubariev, Graduate Gemologist (GG, AJP) is a gemologist with a passion for sharing his knowledge with fellow gem lovers. Originally from Ukraine, he is currently based in Bangkok, Thailand.

Gemstone	CorundumSapphire,
Natural or man made	Natural
Origin	United States
Origin details	Helena, Montana, U.S.A.
Carat Weight	1.17
Gem State	Faceted
Faceter	Daniel Stair
Color	Green
Transparency	Transparent