Jyotsna Nitika. Diamonds. August 08th , 2017.
The controversy regarding the Kohinoor begins when the British invaded India. In 1851, when the British were truly well entrenched in India, the Chief Commissioner of the Punjab Province acquired the diamond. He dispatched the Kohinoor to Queen Victoria who decided to display it at the Crystal Palace Exhibition. While it was on display the Queen realized that if the humongous gem was re-cut it would look even more magnificent. It was promptly re-cut to a size of 105.62 carats. Today it is the prime gem in Queen Elizabeth's crown and resides in the Tower of London.
Diamonds are basically a crystalline form of carbon. High pressure and temperature in the Earth's crust force a lump of carbon to crystallize under pressure, leading to the creation of a natural diamond. Synthesizers of artificial diamonds recreate these conditions on the Earth's surface to create the synthetic variety of diamonds. Lab created diamonds, as they are also called, shouldn't be confused with the so-called diamond substitutes like Cubic Zirconia (ZrO2), Moissanite (SiC), YAG (Y3Al5O12) and White Sapphire (Al2O3) gems. These are carbon based diamonds, chemically identical to natural ones, albeit smaller in size and devoid of the impurities that add exotic value to natural diamonds.
You can even be innovative with your bracelet. If you have two bracelets and the kind that are interlinked with an S-shaped link, then you can convert the bracelet into a classy necklace. Versatile isn't it!
Although the gradation process exists from ancient ages, 20th century has seen more standardization based on the colors that are accepted worldwide. Mainly three organizations are responsible for this standardization of gradation system.
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