FEATURED MUSEUM JEWEL
The Rarest 28.74ct Cushion Blue Color-Change Sapphire
![](https://static.wixstatic.com/media/4a0fae_b1183a719c77431cba33ae03b8518bc9~mv2.jpg/v1/fill/w_980,h_800,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/4a0fae_b1183a719c77431cba33ae03b8518bc9~mv2.jpg)
It is very uncommon for a sapphire, without inclusions and heat treatment, to also have such a strong color-change. Because this stone reveals a purple color under incandescent light, the Gemological laboratories have identified it as blue. This rarity was recently on display at the Exhibition entitled, Brilliance: The Art and Science of Rare Jewels at the Natural History Museum of Los Angeles County. It is now available for purchase.
"Stones displaying a strong color-change phenomenon are highly desirable." – The Gemological Institute of America
"This extraordinarily rare sapphire will be featured in the book, World’s Famous Gemstones in 2023." – Robert Procop
![](https://static.wixstatic.com/media/4a0fae_a17575e0d74346879a6d36991dbd4a3c~mv2.jpg/v1/fill/w_980,h_829,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/4a0fae_a17575e0d74346879a6d36991dbd4a3c~mv2.jpg)
Only 3% of gem quality sapphires mined are natural in color. Color-change sapphires make up less than .01% of those natural gem quality sapphires.
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