Scientific American19d
Coal—Our Black Diamonds
The Koh-i-Noor diamond is valued at $2,500,000—a sum which could purchase 590,000 tons of coal. If this diamond was dropt into the depths ot the sea and lost forever, no one in the world would ...
More than half of millennial and Gen Z couples pick engagement rings with a lab-grown diamond—and it means larger stones aren’t the status symbol they used to be
More than half of couples have reported buying a lab-grown diamond for their engagement rings for the first time in history, ...
The Harvard Crimson6y
DR. VON OY REPUDIATES BOTH DIAMONDS AND COAL
That he worked his way across the Atlantic as a freight and coal carrier, and then stepped ashore with diamonds on his hands was emphatically denied by Dr. Franz Von Oy, German student at the ...
Mining26d
Lucara hits annual diamond production record
Canada’s Lucara Diamond (TSX: LUC) achieved record-breaking production in 2024, highlighted by the recovery of two exceptional stones at its prolific Karowe mine in Botswana. The miner increased ...