The world's greatest blue diamond was sold at $24 million by auction

For abrasives imanufacturers, diamond is favored for it’s the hardest material with outstanding chemical and physical properties. However, it is more favored by most women cause it’s so shining and beautiful. 

According to Switzerland media, the Christie Auction House in Geneva successfully sell the world's largest  blue diamond at the price of $23.79 million (RMB 148 million). The diamond is the most precious with the shiniest glory. It is said the buyer comes form America, which is known as the top brand of jewelry.

According to the report, this pear-shaped Blue Diamond was named by its color. It weighs 13.22 carat. The pre-sale estimated price is $21 million to $25 million, and eventually the sold-price is $23.79 million.