• Mele have a range from 0.001 - one thousandth of a carat - to 0.29 carats, and are usually in diameter from 0.6 mm to 4.2 mm. In Indian trade, mele diamonds ranging in size from 0.001 carats to 0.025 carats are called "asterisks."

• The average quantity per carat in the "stars" category is from 40 to 333 pieces. Stones ranging in size from 0.12 to 0.15 carats are classified as "large chalks."

 

• The size of the chalk is determined using diamond sieves, which are high-precision measuring devices consisting of round metal plates with exact hole sizes, as shown below. The sieving size is in the range from 000 to +16. You can also produce sets of sieves in increments of a quarter.

• You can purchase meles of various sizes, colors, purities and shapes.

Available methods of grown by both HPHT and CVD methods.