Sapphire has been gradually developing gradually over the years. From 2000 to 2006, the price has increased by 120%. After 2007, despite the impact of the financial crisis, the price has not changed much. The price of blue diamonds showed a trend of rising and then plunging after the skyrocketing. With 2008 as the watershed, the price increase exceeded 2 times in the previous 5 years, and it was basically flat in 2008, starting at the end of 2008, 1 Large-volume blue diamonds above the carat weight have plummeted by 35%, and the price of small-volume blue diamonds has fallen by at least 15%.
In the Guangzhou market, in general, the price of 1 carat sapphire is between 5,000 yuan and 20,000 yuan, the price of 1 carat blue diamond is more than 50,000 yuan, and the price of 1 carat white diamond is as high as 70,000. ~100,000 yuan. In contrast, the blue fluorite, which is only known as semi-precious stones, is calculated in pieces. In the past one year in Guangzhou, the price of large blue fluorite has nearly doubled.
South Africa found 6.3 billion blue diamonds
Petra Diamonds Co., Ltd., which has been producing the world's most precious diamonds, found a 122-carat sapphire on June 14, 2014 in the Cullinan diamond mine in South Africa. This made Petra's share price rose by 8 on the 13th. %, industry insiders estimate that the sapphire estimate is estimated to be 600 million pounds (about 6.3 billion yuan).
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