What is the original color of diamond?
The majority of mined diamonds fall between white and pale yellow or brown; what is known as the normal color range. Diamonds of more intense color (usually yellow, but in some cases red, green or blue) are termed fancy color diamonds.
When did they start coloring diamonds?
In the mid-1950s, the GIA created the first Colored Diamond Color Grading System. Its purpose was to evaluate yellow diamonds falling outside the normal colorless to light yellow (D-to-Z) color range.
What colors do diamonds naturally come in?
How many colors can diamonds be? Diamonds naturally come in every color of the rainbow (yep red, blue, green, purple, pink, etc.), as well as black, brown, gray, and white. There are even “salt and pepper” diamonds that look more polka-dotted. So, there are many different color diamonds!
Do colored diamonds sparkle?
“People have a misconception that diamonds sparkle like a rainbow, but they don’t,” Hirsch said. “They do sparkle, but it’s more of a gray color. If you see something with rainbow colors [inside the stone], it could be a sign that it’s not a diamond.”
Where did the idea of color grading diamonds come from?
The world’s first diamond color-grading system dates back to sixth-century India. The system was based on the country’s ancient class structure. Members of different status levels, or castes, were permitted to own and wear only diamonds of a specific color. Thus, diamonds served as a badge of rank.
What kind of diamond is blue in color?
Such diamonds are not heated. The treated blue color can sometimes approach that of natural Type IIb diamonds (see article Investing in Type IIa Diamonds for more info on Type IIb diamonds). As with most irradiated diamonds, most gamma ray-treated diamonds were originally yellowish in color.
Who was the first person to irradiate a diamond?
The Irradiation Process was first developed by Sir William Crookes, a gem connoisseur as well as a chemist and physicist. Sir Crookes was the first to find out what radiation does to the color of a diamond.
Which is the rarest diamond in the world?
The 5.03-carat DeYoung Red is an exceptionally rare colored diamond. Chip Clark, – Courtesy Smithsonian Institution, National Museum of Natural History. The world’s first diamond color-grading system dates back to sixth-century India. The system was based on the country’s ancient class structure.