Color Change Sapphire, Vanadium-Doped Lab Gem Stone:Diamond Cushion, 11.4×9.7mm, 5ct click here

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This is the most classic gem produced by science: laser ruby

pink/red stones with a ton of scintillation and super bright fluorescence which gives them an extra pop

This will be a truly one-of-a-kind D20

Due to quick cooling rather than a single large crystal

Color Change Sapphire, Vanadium-Doped Lab Gem Stone:Diamond Cushion, 11.4×9.7mm, 5ct click hereThese 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