Is this Rock a Diamond?

Is this Rock a Diamond?

2018-01-12

[public] 2.04M views, 20.3K likes, 1.15K dislikes audio only

I bought a cheap diamond off ebay and I test to see if it really is one.

water jet cutting diamond: https://www.youtube.com/watch?v=dWxS9_OwC8Y/UCY2--S73K_Ce6uvmN9UXvlw

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test the hardness of this stone
/youtube/video/iJPjFddLOxo?t=44.189999

measure its density
/youtube/video/iJPjFddLOxo?t=79.32

measure the volume of this stone
/youtube/video/iJPjFddLOxo?t=88.739998

measure the volume of the diamond for smaller stones
/youtube/video/iJPjFddLOxo?t=110.79

cut this using a water jet
/youtube/video/iJPjFddLOxo?t=254.7

Cutting a HUGE 17 Carat Diamond with 60,000 PSI Waterjet - With Cody's Lab 1,590,153 views
youtube.com/watch?v=dWxS9_OwC8Y