Can You Solve this Ice Diamond Riddle? ft. Vsauce’s Michael Stevens

Hey this is the same as your rock from a boat riddle you did previously! Ice melting alone doesn’t affect water level due to the same density, but the diamond acts as the “rock” dropped from the boat and lowers the water level! When floating the diamond presses the cube down and displaces a greater volume of water than its own volume, volume displaced is that with mass equal to mass of the diamond I believe!