Color Change Sapphire, Vanadium-Doped Lab Gem Stone:Diamond Cushion, 11.4×9.7mm, 5ct so it's an amazing gem

so it's an amazing gem in its own right instead of just trying to imitate diamonds

These are Pyropearls™

and on top of that has four perfect cleavage planes - it wants to break into perfect octahedrons

The stone measures about 21 x 20 x 19mm and weighs in at 54g

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Color Change Sapphire, Vanadium-Doped Lab Gem Stone:Diamond Cushion, 11.4×9.7mm, 5ct so it's an amazing gemThese are faceted stones cut from Vanadium doped color change sapphire. It has a cool color change from blue under normal lighting to purple under warm lighting, with a nice greenish purple hue under fluorescent lamps. This material is sometimes incorrectly sold as 'alexandrite', and since mislabeled stones were sold on cruise ships in the 70's and 80's jewelers sometimes call it "grandma's alexandrite". Personally, I think this is cool enough that