Quick Facts ...
"The world’s love of diamonds had its beginning in India, where diamonds were gathered from shores of country’s rivers."
"In the 1800s, wealthy people replaced the ruling classes as the main consumers of diamond jewelry.Before that diamonds were mostly for kings, queens and other rulers."
"In 1869, discovery of a magnificent 83.50-ct. diamond marked the beginning of diamond rush in South Africa."
"British citizen Cecil Rhodes arrived in South Africa in 1870. By 1890 he pretty much monopolized diamond-mining industry in the country."
"After 15-year of research, in the 1950s GIA, introduced its Diamond Grading Scale and it is still most reliable system as of today."
"Diamonds and graphite are 100% carbon. However different pressure and temperature conditions that exist when either mineral is forming causes diamond to be hardest mineral on earth."
"Diamonds are formed between 90 miles and 140 miles (about 140 kilometers and 220 kilometers) beneath the surface."
"To form diamonds require a temperature range of 2102°F to 2192°F (1150°C to 1200°C)."
"Diamonds that we see today appeared at the surface of the earth between 2.5 billion and 20 million years ago."
"Youngest known diamonds were found in a Brazilian Kimberlite and are just 107 million years old."
"The oldest known diamonds are from Canada’s Ekati mine—they are as much as 3.5 billion years old."
"The Argyle mine in Australia took eight years of exploration and $12 million of investment. It then cost an additional $420 million over five years to develop the mine and begin diamond mining."
"Diamond industry is more eco-cautious nowadays, for example in Canada, diamond- mining companies must by law take all steps to protect for local wildlife and vegetation."
"At the moment Namibia holds perhaps the largest marine diamond deposits in the world."
"One of the oldest texts to mention diamonds was an Indian tax-code manuscript from the fourth century BC."
"For centuries, India was the world’s only source of diamonds. until Brazil’s deposits were discovered in the 1700s."
"The Cullinan mine in South Africa has produced hundreds of diamonds weighing 100 carats or more. In fact one quarter of all diamonds over 400 carats came from this deposit."
"The Cullinan rough diamond, found in 1905 in South Africa, weighed an extraordinary 3,106 cts. Once cut, it produced 9 large stones and 96 small brilliants."
"Most expensive stone is a 59.6-carat flawless pink diamond called the "Pink Star," it was auctioned for $71.2 million in 2017."
"Diamonds do not show up on x-rays. They’re also resistant to heat, and because they’re resilient, as well as transparent, they make ideal covers for the tubes on x-ray machines."
"Kelly Osbourne has gotten not one, but two, diamond manicures. For the 2012 Emmys, her finger nails glistened with $250,000 in black diamonds."
"The Diamond Quarter of Antwerp, Belgium sees more than $16 billion in polished stones every year."
"In 2012, police arrested a suspected smuggler in South Africa and discovered he'd swallowed 220 diamonds worth £1.4m before attempting to board a plane."
"Dubai First Bank issues a Royale credit card. Those who are lucky (and wealthy enough) will receive an elegant black card trimmed with gold, and adorned with a single .235-carat diamond. Those cards have no limits and no restrictions."
"Louis IX of France passed a law forbidding anyone but royal family to own or wear diamonds in France at that time."
"Scientists have discovered a star that is essentially a diamond of ten billion trillion carats. They named the star Lucy after the Beatles song “Lucy in the Sky with Diamonds”."
"Diamonds are the very hardest natural substance on earth. The only thing that can scratch a diamond is another diamond."
"Diamonds originate form about 100 miles below the ground millions or in some cases billions years ago and have been carried to the earth’s surface by deep volcanic eruptions."
"The word diamond derives from the Greek word “adamas,” which means invincible or indestructible."
"There is evidence that diamonds were valued and traded in India as early as the fourth century BC."
"About 80% of found diamonds go toward industrial uses and are not suitable for jewelry"
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