Jyotsna Nitika. Diamonds. May 26th , 2017.
The technical benefits have opened numerous options for us to buy the diamond jewelry online. To ensure the security while buying the jewelry, the buyers make sure to buy only the hallmark certified diamond rings. The certified jewelry helps the buyers to be sure that they are buying the right quality of the diamond.
Both white sapphires and diamonds have their lab-created counterparts. These artificial gemstones are literally grown in labs around the world using several chemical processes. They almost exactly resemble their natural versions, and even lack their imperfections. Yet, they are valued lower in the gemstone market.
Now it is clear that it is carbon that is the main raw material for formation of diamonds. Apart from the inorganic carbon found in the Earth's crust, one of the sources of organic carbon could be coal. This may happen in case of subduction, wherein carbon from the Earth's crust travel to the mantle. Even in case of diamonds formed in the impact sites, coal could be a source of carbon. So you cannot rule out the possibility of the role of coal in formation of diamonds. However, there are various theories that negate this belief. Here are some of them.
While making a purchase, you should always look for the graded color parameters. Colorless or near colorless ones are most expensive while others are less expensive.
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