This is a color changing diamond! When the temperature is low, it turns from gray to yellow.

Scientists have discovered a new type of color-changing diamond, which is different from the famous ‘chameleon diamond’. Known as ‘cryogenic diamonds’, these diamonds turn grayish yellow if kept at extremely cold temperatures. This diamond was discovered by Stephanie Persaud at the Gemological Institute of America (GIA) in Carlsbad, California.

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