This sapphire has a very strong color change (90%+) from being a lighter blue-green in daylight to a light pink color under incandescent lighting. I could see it in person, but didn't have much luck recording the change with my video camera. Color: Light Silvery Blue-Green to Pink, Treatment: None, Cut: Fancy Arrowhead, Weight: 1.07 Carat, Dimensions: 7.98 x 6.48. (Information supplied by photo contributor.) &copy; Daniel Stair, CustomGemstones.com

This sapphire has a very strong color change (90%+) from being a lighter blue-green in daylight to a light pink color under incandescent lighting. I could see it in person, but didn&#8217;t have much luck recording the change with my video camera. Color: Light Silvery Blue-Green to Pink, Treatment: None, Cut: Fancy Arrowhead, Weight: 1.07 [&hellip;]

Color Change Sapphire | Blue | 1.07 ct

Color Change Sapphire id-g-510936 - International Gem Society

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Color Change Sapphire

Corundum

Sapphire

This <a href="https://www.gemsociety.org/article/sapphire-jewelry-and-gemstone-information/" data-wpel-link="internal">sapphire</a> has a very strong color change (90%+) from being a lighter blue-green in daylight to a light pink color under incandescent lighting. I could see it in person, but didn't have much luck recording the change with my video camera. Color: Light Silvery Blue-Green to Pink, Treatment: None, Cut: Fancy Arrowhead, Weight: 1.07 Carat, Dimensions: 7.98 x 6.48. (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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Dr. Gerald Wykoff GG CSM

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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Bear Williams, CG, FGA (Hon), is President and Laboratory Director at <a href="https://stonegrouplabs.com/">Stone Group Laboratories</a>. Bear travels to gem producing countries and treating regions researching the latest trends in gemology and visiting with other lab directors. On-site research allows him to keep abreast of new synthetics and treatments in the marketplace. He regularly meets with other gemological associations and labs, and together will present research findings, and discuss the latest nomenclature or laboratory issues relevant to the trade and consumers. Recognized as an expert in the field of digital spectroscopy, Bear operates UV-Vis-NIR, ED-XRF, FTIR, UV, and Raman Spectrometers.

Bear Williams

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Cara Williams

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	Color Change SapphireCorundum, Sapphire,
Natural or man made	Natural
Origin	United States
Origin details	Helena, Montana, U.S.A.
Carat Weight	1.07
Gem State	Faceted
Faceter	Daniel Stair
Color	Blue
Transparency	Transparent
Photo phenomena	Color Change