Depending on which surface you want to name, perhaps the table -- the top of the cut stone, or a facet. There are many names for the facets.
Learn more, below.
If you have a silvery substance on the back surface of your diamond, it is not a diamond.
The flat surface of a diamond is called the table if it is on the 'top' of a cut diamond. Otherwise, the flat surface is called a facet, some with specific names. Read more, below.
yellow canary diamond
Yes, perhaps, if scratched by another diamond.
A diamond surface irregularity refers to any flaw or imperfection on the surface of a diamond that can affect its appearance and value. These irregularities can include scratches, pits, or chips, and may result from the diamond's natural formation process or from handling and cutting. Such imperfections are assessed during the diamond grading process and can influence the stone's clarity rating. Overall, surface irregularities can detract from the diamond's brilliance and overall aesthetic appeal.
A diamond facet is a surface on a diamond, generally cut by a diamond cutter. Facets are flat and their purpose is to reflect light.
The diamond, being one of the hardest natural materials, will likely scratch the glass surface due to its superior hardness. Conversely, the glass would not be able to scratch the diamond due to the diamond's hardness.
Diamant
The base of diamond is carbon.Read more, below.
Diamond
Diamond
One flat surface is a table. Many flat surfaces are facets.