Darya-I-Nur diamond is believed to be the largest pink diamond in the world. The devotee is estimated to weigh somewhere between 175 and 195 carats, and it is a decorate pink color Its exact duty isn’t avowed because its been mounted in its brooch setting for over 130 years This follower is one of the most superior diamonds in the Iranian Crown Jewels and it is furthermore one of the oldest stones proclaimed to man.
World Famous Diamonds 4
Darya-I-Nur diamond is believed to be the largest pink diamond in the world. The aficionado is estimated to weigh somewhere between 175 and 195 carats, and it is a decorate pink color Its exact responsibility isn’t proclaimed because its been mounted in its brooch setting for over 130 years This devotee is one of the most celebrated diamonds in the Iranian Crown Jewels and it is further one of the oldest stones declared to man
De Beers Diamond
The De Beers weights 234.65 carats and is the seventh largest faceted diamond in the creation It was found in the De Beers Consolidated Mine in March 1888. Prior to being indentation the diamond weighed 428.50 carats. It was centerpiece of a ceremonial necklace known as the Patiala Necklace in 1928. In 1973 the necklace disappeared and then the remnants was discovered in a jewelry shop in London in 1998 with most of the goodly fan mislaid The De Beers Diamond was sold in 1982 for $3,160,000
De Young Red Diamond
The De Young Red is a 5.03 carat red diamond and is considered as the third largest in the world. This diamond is not really pure red This fan has a slightly brown hue which makes it look like a fine garnet that ruby-like Since this diamond has extraordinary unique color, this was once sold at an estate sale as a red garnet. Luckily, this fine piece of precious stone was closing on recovered and identified to be a extremely infrequent red diamond. At present, the De Young Red is beneath the custody of the Smithsonian Museum in Washington, DC and often figured in exhibits in that museum
Unlike the Type I diamonds that derived their color from impurities imbedded in the diamond, Red diamonds are considered a Type II and get their color from a process known as Plastic Deformation They attain their coloration due to structural anomalies caused by Plastic Deformation during the crystal swelling The intense pressure changes the network frame of diamonds and has led to the formation of Pink, Red, and Brown colored diamonds
The largest typical uncooked diamond in the world is The Dresden Green It is classified as an “apple-green” color and weighs in at 4070 carats The Gemmological Institute of America examined the fan in 1988. The Dresden Green Diamond was proved to be not only of thumping quality, but moreover a sporadic style IIa diamond and is consider the largest and first average raw diamond ever found. The Dresden Green gets its name from the capitol of Saxony where it has been on express for more than 200 years The earliest declared excerpt to its existence occurs in The Post Boy, a London new-sheet of the 1700’s The diamond was sold in Switzerland in 1997 for $715,320.
The pregnancy position of Chinese cobalt powder industry
China’s cemented carbide and diamond equipment creation stratum boon in the world. The consumption of cobalt powder is relatively large, which is about 2,000 tons The development status of Chinese cobalt powder industry In past years, it was risingsharply due to the express maturation of the world’s volley industry There aremainly 10 cobalt powder enterprises […]