Diamonds' molecular structure is such that when one melts, it transforms into something else, so that what melts is no longer a diamond.
Another Answer
Diamond mineral has the highest melting point of any mineral: 3,820 degrees Kelvin.* Once melted, the above answer is correct: it's no longer the diamond that you're familiar with and can never be reconstituted as such.
*3,547º C. or 6,416.6º F.
Salt (sodium chloride) is melted at 801 oC.
Gallium is a metal that is solid at room temperature but melts at a low temperature of 85.57°F (29.76°C). When gallium melts, it becomes a liquid with a silvery appearance. It has a unique property where it can remain in a liquid state over a wide temperature range.
When a diamond melts, it turns into a liquid form that is usually colorless and transparent. This appearance is different from its original form, which is a solid, clear, and crystalline structure.
Diamond is a form of carbon. Carbon melts at 8300 °F but only if held under pressure of around 1600 psi.Diamond melts at 3,820 degrees Kelvin, which is the highest melting point of any mineral.
When a candle melts, the heat from the flame causes the wax to melt into a liquid state. This liquid wax is then drawn up the wick via capillary action and vaporizes, creating a fuel for the flame to continue burning.
Diamond
=it melts==it melts==it melts=
When something melts it turns into a liquid
What can happen when the glacier melts in a cirque
Salt (sodium chloride) is melted at 801 oC.
... it melts... and becomes part of the ocean.
It melts
Melts into a liquid.
. it melts
It is black and melts
It melts
it melts