There are substitute faux-gem stones that jewelers use to display and show off their settings. Some are man-made; others are semi-precious stones, such as quartz or crystal, even white sapphire.
These substitutions are for 'looks' only.
There is no substitute material for diamond when it comes to hardness.
Iliana is apparently a brand name for a diamond substitute gem -- a fake diamond.
Diamond
In Pokemon Diamond the TM 90 is the move substitute.
Diamond has an extremely strong covalent bonding between carbon atoms; today diamond is not considered the hardest material, Today the hardest material is Aggregated diamond nanorods.
Water tanks in diamond mining operations are employed to separate mined aggregate material from diamond material.
no
diamond is the hardest material and if it is sharpened , then it is the sharpest material
Diamond :)
No.
No.
Nyloncarbonsynathan
Based on the extreme value potential of any diamond material -- diamond material being usually physically small -- the greatest security threat to mine owners is theft of any raw diamond material.