Is this Rock a Diamond?

  • Published on Jan 12, 2018
  • I bought a cheap diamond off ebay and I test to see if it really is one.
    water jet cutting diamond:
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Comments • 734

  • realdamageboy
    realdamageboy 12 hours ago

    Diamond have one major effect - it must shine under X-rays. Can You show as how much it shine?!

  • Brlja2
    Brlja2 20 hours ago

    Is it me or Cody kinda diluted.. I enjoyed watching heavy water, making gunpowder, rockets and other stuff. Lately I'm not interested in videos from Cody..

  • The Bomb
    The Bomb Day ago

    Your intro looks like the ads on TV for universities

  • Brayden Hodder
    Brayden Hodder Day ago

    What happend to the mine?

  • Talon Man
    Talon Man Day ago

    Is it just me or does the thumbnail look like a penis and a rock.

  • Nobody
    Nobody Day ago

    Hey Cody, I have a large collection of pyrite imbedded in slate. I know if pyrite is in limestone vinegar will dissolve the limestone and not the metal. But is there another acid that would dissolve slate but not the pyrite? Thanks!

  • resben100
    resben100 2 days ago

    What happened to the mine?

  • Obadiah Fraiser
    Obadiah Fraiser 2 days ago

    Here's something you may not know: Diamonds aren't rare. At all.

  • aggese
    aggese 3 days ago

    Do you know that you can get transperent industrial diamonds that size rather cheeply from china?

  • GoodTime Potato
    GoodTime Potato 3 days ago

    I'm 11 on the hardness scale.

  • Michał Halczuk
    Michał Halczuk 3 days ago +1

    Hey Cody.
    Wikipedia says, that natural diamond has more than 5 times the thermal conductivity of copper - 2200 W/(K*m) vs ~401 W/(K*m) for copper.
    Monocrystalline isotopically pure diamond (99,9% C12) has thermal conductivity of 3320 W/(K*m).
    As far as I'm concerned, the latter value is higher than graphene, and highest known for a solid material at room temperature.

  • Jake Yaboi
    Jake Yaboi 4 days ago

    Please explain the volume test. I don't understand it. How does displacing water in a cup increase it's mass if the rock is suspended by the wire.

  • Mshojat
    Mshojat 4 days ago

    I totally think that a water jet could for sure "cut" that. It might not cut it _straight_ but I still think that it would certainly break, since it's not a pure, "perfect" diamond, but rather full of cracks, holes/bubbles, and contaminants.

  • KoesLifts Ingles
    KoesLifts Ingles 4 days ago

    Waterjet channel sent me here!!!!! =)

  • Adam Smith
    Adam Smith 4 days ago

    hey cody im recent subscriber been watching your mine series got to episode 17 and then the next turned to private, jw if they will be able to view them again at all? was really enjoying the series

  • Robert Wells
    Robert Wells 5 days ago

    Giant fan I tell every one I can about your videos man coming from North Carolina keep it up!!!!

  • Alex Lopez
    Alex Lopez 5 days ago


  • Slayer Vlogging
    Slayer Vlogging 5 days ago

    See if you can make zinc metal from that zinc shampoo

  • Jacoby Mullins
    Jacoby Mullins 5 days ago

    I love watching this guy break down and bring back metals. it is so satisfying

  • shoopdahoop22
    shoopdahoop22 5 days ago

    Can you please attempt to exract potassium metal from banana peels?

  • Devin Ingram
    Devin Ingram 5 days ago

    Here from waterjet video.

  • Drift Sniper
    Drift Sniper 5 days ago

    How come everyone who tests to see if a diamond is real or not doesn't do the easiest test in the world real diamonds cut glass how come no one ever does that test

  • 3TileMason33
    3TileMason33 5 days ago +1


  • Not Applicable
    Not Applicable 5 days ago

    yo cody i was just watching your mine playlist and everything went private can you fix of something?

  • Dillon Roche
    Dillon Roche 5 days ago

    Oh god. Please do normal water displacement for volume that made me cringe!

  • SecretAgentMan02
    SecretAgentMan02 5 days ago

    Why'd you private almost all your mine vids? I was half way through last night and was looking forward to finishing it today.

    • Cody'sLab
      Cody'sLab  5 days ago

      sorry youtube is being stupid again

  • Runandgun 7707
    Runandgun 7707 5 days ago +1

    Pls go make more Cody’s mine vids

  • Psychedelic
    Psychedelic 5 days ago

    I know this is irrelevant to this video in particular, but have you ever provided an update on the Shrimp in a Box, Cody?

  • Lil Shawnie
    Lil Shawnie 5 days ago

    Cody can you test the theory that if you have liquid mercury in a container and put it under extreme electromagnetic charge and spin it at and extreme speed that it will begin to fly / defy the laws of gravity

  • X4Mc Gamer
    X4Mc Gamer 5 days ago

    Can you please pour ether and chloroform over styrofoam?

  • Mehdi nisrullah
    Mehdi nisrullah 5 days ago

    Updates us with yours Methane Generator.

  • Mikes Science
    Mikes Science 5 days ago

    You can feel the heat when you touched it to ice? Shouldn’t it be you can feel the lack of heat? Heat is really the flow of energy from hot to cold

  • critical thinking
    critical thinking 5 days ago

    do a bumblbee in a vacume chamber ,,,there are claims all over internet world that bumblbees cannot fly on air but instead use an anti gravity method through vibration to move in the atmosphere

  • chuckles must die
    chuckles must die 5 days ago

    can you make nasa shuttle tile?

  • nathaniel steamgear
    nathaniel steamgear 6 days ago +1

    Cool intro man I like the liquid nitrogen and the super conductor

  • gremlinbros
    gremlinbros 6 days ago

    Cody I've got an idea/challenge for you, I hope you accept. I'm a diabetic who loves fresh fruit especially fruit juices i.e. Apple, orange, and grape. The problem is the sugars in the juice as and diabetes. Is there a way to pull the sugar out and replace it with a substitute like stevea or equil etc? So that I can enjoy some of my favorite beverages. So there's the idea/challenge I hope it's possible and you see fit to do it.

  • killmore75
    killmore75 6 days ago

    Just wonder is you have played in the 1994
    movie Time Cop?

  • Soutrish Banerjee
    Soutrish Banerjee 6 days ago

    Heat the diamond using a heater then put it inside a liquid oxygen

  • Elijah Martin
    Elijah Martin 6 days ago

    hey cody, i saw a video on blue butterflies and how they are blue because of how they reflect light in an air enviroment. i was wondering if you could test if the butterflys color would change if you put it in a gas enviroment consisting of something other than air.
    i thought that would make for a really cool idea for a video. you should try to do it!!

  • Anton stone
    Anton stone 6 days ago

    Maybe you can artificially darken a opal next.

  • MrCool00236
    MrCool00236 6 days ago

    EDM cuts diamond

  • Adam DAhlberg
    Adam DAhlberg 6 days ago

    Great video Cody, have you ever tried to make Nitinol?

  • Dallas and Mando
    Dallas and Mando 6 days ago

    Do a video on wether water is wet or not

  • Scott Thomas
    Scott Thomas 6 days ago

    Guy from eBay was puckered up watching this vid...wasn’t expecting Cody to give it his stamp of approval 😂

  • kindlin
    kindlin 6 days ago

    I think your old intro with the different elements poured out was awesome, btw! The weird tinkling sound was off-putting at first, but very fitting.

  • blank anonymous
    blank anonymous 6 days ago

    Cody you still had some weed flakes on your digi. better brush them off next time so everyone don't think you a pot head.

  • Hoang Pham
    Hoang Pham 6 days ago

    Hi Cody, hope you see this comment. As I saw you video about water boiling and freezing in vacuum, that was a very interesting experiment and I'm excited about that. However, I wonder that does this also work with other fluids that have different vapor pressures? For example alcohol, its boiling temperature decreases in vacuum but would it boil and then freeze like water does? And other fluids as well. Would be appreciated for your response

  • Parker Jackson
    Parker Jackson 6 days ago

    Love this channel

  • MrGuvEuroman
    MrGuvEuroman 6 days ago

    A piece of crushed stale dinosaur! :D

    274,847,482 views 6 days ago +1

    This is ore put it in the furnace
    Or break it with pickaxe
    I recommend using *FORTUNE* III

  • Nicole K
    Nicole K 6 days ago

    Cody, you said something like "three point fifty-one". This really is a nonsense: you should say "three point five one". Fifty-one means "five tens plus one". What really mean to say is "five one-tenths and one one-hundredth". The two aren't the same. This was something I had drummed into my skull fifty years ago in school - I cannot believe that things have changed so dramatically in the interim.

  • Piano Roots Music
    Piano Roots Music 6 days ago

    Can someone explain to me how he measured the volume of the diamond?

  • Cynthia Brogan
    Cynthia Brogan 6 days ago

    Hey Cody,
    I know this is off topic but I have a question about bees because I know you are a good bee keeper. My mom’s friend tries to keep bees and her queens keep getting eaten by dragonflies. Is there anyway to stop that from happening? Thank you for your time.

  • TheHolyMane
    TheHolyMane 6 days ago

    this is not a very good diamond though

  • Whatfor5
    Whatfor5 6 days ago

    When are we going to get you and AvE in the same room together? :P Great collab BTW. :)

  • Aaron Aneloski
    Aaron Aneloski 6 days ago

    Topaz... from Topaz mountain, right?

  • Franky OH BABY!
    Franky OH BABY! 6 days ago +1

    *Is Ketchup a gender?*

  • kristian gaming
    kristian gaming 6 days ago

    Hey Cody do you think you can remove the titanium dioxide from paint and make titanium please I would love to see you do it but if not please tell me why not

  • Harel Thompson
    Harel Thompson 6 days ago

    You rock!

  • FantomShow
    FantomShow 6 days ago

    Hey you forgot your methane generator

  • Andrew Como
    Andrew Como 6 days ago +1

    Hey Cody. Can you still juggle as well as you could a few years ago? Make a video on your other channel on it.

  • Dominic Salvo
    Dominic Salvo 6 days ago

    Hey Cody, I was wondering how I could contact you about giving you some pure elements I recently bought for cheap. Email or Facebook message if possible. I'd love to contribute to your channel!

  • Lord Palpasheen
    Lord Palpasheen 7 days ago

    f'n BORING

  • haddoxboi
    haddoxboi 7 days ago

    Congratulations on being the 48th most trending on youtube. (At the time I'm watching this)

  • Noah Gamez
    Noah Gamez 7 days ago

    What's with the cody's mine project

  • Julia Chernyshova
    Julia Chernyshova 7 days ago

    nasty nails

  • Water Bottle
    Water Bottle 7 days ago

    In conclusion, not all rocks are diamonds. Otherwise, several times a day my penis will create virtually unlimited amounts of diamonds.

  • Jake Johnson
    Jake Johnson 7 days ago

    Lol Codys elemental name is carbonoxygendysprosium

  • DrivingBackward
    DrivingBackward 7 days ago

    Is this terd

  • Cody Taylor
    Cody Taylor 7 days ago

    that intro sent me down memory lane

  • Thomas Vale
    Thomas Vale 7 days ago

    Dear Cody, I love your videos. You should make more of the geo-box videos with the different layers to show how some geological events work.

  • Brady _
    Brady _ 7 days ago

    What are your thoughts on marijuana Cody?

  • C Hall
    C Hall 7 days ago

    anyone wanna see a bic lighter that is using hydrogen as fuel?

  • The Summit
    The Summit 7 days ago

    hey Cody were is the mining and bees at you kinda just droped off with all those types of videos

  • Tom Mass
    Tom Mass 7 days ago +1

    Hey Cody, for the calculation of the density of the diamond you used 103 ml of water, but it was 103g of water right? The ml should be a bit lower resulting in higher density of the diamond. I could be wrong here though.

  • Denny Karch
    Denny Karch 7 days ago

    Cody you should make your own superconductor made from yttrium-barium-copper-oxide and levitate it using LN and magnets.

  • Martín Francisco Jiménez Moreno

    Time for some Raman Cody. Also, make some video about Titanium extraction (as far as I know, it takes lots of energy).

  • SirSpicy
    SirSpicy 7 days ago

    Is water wet

  • Coin_Collecting_ Texas

    Hey could you make a silver coin from your mine and on one side have your username and on the other side have my username it would mean a ron to me!

  • Xyzzyx
    Xyzzyx 7 days ago

    Polish it

  • GoVertical17
    GoVertical17 7 days ago

    Please show us how to fabricate a super-capacitor...........

  • Tyler Burger
    Tyler Burger 7 days ago

    That’s not ruby, it’s half a jolly rancher, can’t fool us this time Cody.

  • Sara Mullen
    Sara Mullen 7 days ago

    you could of saved 5 minutes of video with a dimond tester lol 😀

  • Steven the Awkward Seal

    A synthetic ruby sword would be so awesome

  • ILovePurple AngryAppleBombs

    I really thought the synthetic ruby was a jolly rancher for a second

  • Paul Tougher
    Paul Tougher 7 days ago

    Cody that’s a jolly rancher.

  • Mike Veator
    Mike Veator 7 days ago

    Cody, would it be possible to keep nitrogen liquid at room temperature if it were pressurized? Could it be heated and used to make coffee? Then evaporated away to make instant coffee crystals? I realize the impracticality of this, but it would make an awesome video!

  • Macedonian Hack Club

    Ok I know I'm not the only one who thought the thumbnail was an up close "rate my cock" vid.

  • Noel The Last Dovah Duck

    No it's Dwayne Johnson...

  • Xyrius9 A
    Xyrius9 A 7 days ago

    How do they make it clear like a diamond?

  • Steven Gillespie
    Steven Gillespie 7 days ago

    36 on trending! Noice!

  • Juan Lopes
    Juan Lopes 7 days ago

    I am sure there are a lot of quartz fragments inside that diamond rock...

  • Milo
    Milo 7 days ago

    Can you gold plate neodymium

  • Senator Ben Carson
    Senator Ben Carson 7 days ago


  • Jason Chartier
    Jason Chartier 7 days ago

    Could you possibly refine this down to look like a piece of jewelry or is that not possible?

  • Natalya Soriano
    Natalya Soriano 7 days ago

    There is so many smart people in the comments and *-iM heRe-*

  • Charlie Puth
    Charlie Puth 7 days ago

    #31 on trending boy !!!!!

  • Takeit Easy
    Takeit Easy 7 days ago

    Chuck Norris better not find out you did this to his favourite sweets.

  • TridentDriver1987
    TridentDriver1987 7 days ago

    You said synthetic Ruby? Is that as hard as real Ruby?

  • dee boy media
    dee boy media 7 days ago

    Thought that was a dirty jolly rancher