Skip to main content

Color

Diamonds are formed in almost any color. Name it- diamond will have it. They are graded from D-Z alphabet colors where D is the whitest(colorless) and Z is colorful. Diamond price is high if the color is close to D color.


Fancy colors:

    Anything other than white is a fancy color and graded after Z. Example: Fancy very light, fancy light, fancy color, intense, vivid, dark. These fancy colors are graded any diamond color except white(D-Z) and brown. Lets say we want to grade fancy yellow colors then they are graded as:

  • Fancy very light yellow
  • Fancy light yellow
  • Fancy yellow
  • Fancy intense yellow
  • Fancy vivid yellow
  • Fancy dark yellow
    


    Pink, red, green, etc are graded similarly. These fancy graded stones will have special prices from the retailer especially when they are not manufactured as round shape.


How does diamond get color?
    When diamond carbon elements are replaced by other elements then the color of diamond start changing. Few of them are:
  • Yellow: Most common color in diamond is yellow. When carbon atoms are replaced by nitrogen they start gaining yellow color
  • Green: Carbon atoms are replaced by Sulphur
  • Blue: Carbon atoms are replaced by Boron
  • Black: Carbon atoms are replaced by Graphite and iron
  • Brown: Carbon atoms are replaced by nickel or if these is distortion in lattice structure
  • Pink: Its a mystery. Scientists today are searching for the reason. As of the information that we know today is that the diamonds lattice structure was distorted at the time of formation due to high pressure and heat. Argyle mine is very famous for pink diamonds and very expensive too
  • Red: Similar to pink, red diamonds also have only carbon elements and have distorted lattice structure. These diamonds are bright than any other diamond under natural daylight and rarest of all

Comments

Popular posts from this blog

Grains

Grains play a vital role in manufacturing diamond in terms production and quality. If the diamonds are not polished in proper direction will impact the time taken to polish it and might lead to damage of diamond none tension What are grains and its basic knowledge:     Grains are arrangement of fibers in a material. Diamonds have grains like any other material.  If you can crack open the knowledge of grains in diamond then you can be highly skilled polisher or planner. Before we understand grains in diamond lets understand grains in wood.      Wood can be cut from any direction where few directions are easy and others are difficult(rarely impossible). It is very easy to cut the wood along the grains and very difficult cutting across grains. So when you are cutting wood using hand saw blade, you will first find the grains and then cut it along. Similarly, we need to know the grains before cutting or polishing the diamond. Below is a 3D image of diamond ...

Repair polisher

Follows finishing supervisor instructions written in parcel to polish and return back to the finishing supervisor. They will confirm if polisher polished according to the instructions and the diamond need anything more to be polished and then send it to the section QC for polish and symmetry quality check. This task is performed because of following reasons: Ensure parameters, polish and symmetry are met as per rough estimations Responsibilities: Check every parcel have diamond when receiving parcels from stock controller Check weight of diamond in weighing scale and confirm if it matches with the current weight mentioned in the parcel Be sure that you fully understand finishing supervisor instructions written in parcel Consumables, tools and equipment are available and in good condition Opening the scaif should be done just before shift end so that you are ready for tomorrow Cover your scaif and oil your tang when going for weekend or holidays Ensure your polishing mill is clean a...

Bottom polisher

Follows finishing supervisor instructions written in parcel to polish and return back to the finishing supervisor. They will confirm if polisher polished according to the instructions and the diamond need anything more to be polished and then send it to the section QC for polish and symmetry quality check. This task is performed because of following reasons: Ensure parameters, polish and symmetry are met as per rough estimations Finalize the bottom Responsibilities: Check every parcel have diamond when receiving parcels from stock controller Check weight of diamond in weighing scale and confirm if it matches with the current weight mentioned in the parcel Be sure that you fully understand finishing supervisor instructions written in parcel Consumables, tools and equipment are available and in good condition Opening the scaif should be done just before shift end so that you are ready for tomorrow Cover your scaif and oil your tang when going for weekend or holidays Ensure your polis...