Ví dụ về việc sử dụng Gem diamonds trong Tiếng anh và bản dịch của chúng sang Tiếng việt
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However, other categories of gem diamonds are increasing in popularity.
The lack of large stones incomparison with last year has hurt Gem Diamonds' revenue.
Gem Diamonds owns a 70% stake in the Letšeng mine, with the Lesotho government holding the remaining 30%.
Improved production of large diamonds at the high-valueLetšeng mine in Lesotho drove an increase in Gem Diamonds' sales in 2017.
Gem Diamonds maintains a 70% stake in Letšeng mine, with the government of Lesotho holding the remaining 30%.
Mining at Letšeng shifted to the higher-grade K6 portion of the project's main pipe in the second quarter,improving the rate of large-diamond discoveries, Gem Diamonds explained.
(Gem diamonds, which are made of pure carbon and don't include any sediment deposits, can also be created this way.).
The mining-lease renewal will allow the mine to continue to make a very significant economic andsocial contribution to the people of Lesotho,” said Gem Diamonds CEO Clifford Elphick.
Mining company Gem Diamonds found the 910 carat stone, about the size of two golf balls, at its Letseng mine in the country.
While Letšeng is known for producing high-value large diamonds, it yielded only five 100-carat-plus stones in 2016- compared with 11 in 2015-dragging down Gem Diamonds' revenues by 22% and its average selling price for the year by 26%.
Clifford Elphick, Gem Diamonds' CEO, said,"2014 was a solid year both financially and operationally for Gem Diamonds.
Gem Diamonds is currently seeking a buyer for the mine, and intends to focus primarily on its higher-value Letšeng asset in Lesotho.
Petra Diamonds announced its intention to sell its Fissures mine, and Gem Diamonds sold its Ellendale mine to Goodrich Resources, as both Petra and Gem focused on improving the quality of their diamond assets.
Gem Diamonds has unearthed a 357-carat diamond at its Letšeng mine in Lesotho, it said in a Twitter post Monday.
This, combined with the resilience of Letšeng diamonds to pricing constraints,leaves Gem Diamonds well placed to take advantage of the favorable supply/demand dynamics in the market in order to continue its growth in 2015 and beyond," Elphick said.
Gem Diamonds is planning to offload the Ghaghoo mine in Botswana, its other deposit, and has begun a formal sales process for the asset.
To boost its large-stone discoveries further, Gem Diamonds is considering introducing technology to preventdiamonds breaking up by identifying precious stones in the kimberlite prior to crushing.
Gem Diamonds is also developing the Ghaghoo mine in Botswana, where it has recovered 16,174 carats of diamonds from 67,330 tonnes of treated ore to date.
Earlier this year, Gem Diamonds recovered the 910-carat Lesotho Legend, which the company claimed to be the fifth-largest rough stone in history.
Gem Diamonds' revenue nearly tripled in the first quarter amid strong demand for its rough and the sale of the fifth-largest diamond in history.
In April and May, Gem Diamonds found three large D-color, type IIa rough diamonds weighing 80.58 carats, 98.42 carats and 114 carats respectively.
Gem Diamonds has recovered a white diamond weighing 183 carats at its Letšeng mine in Lesotho, the first stone over 100 carats the miner has found this year.
Clifford Elphick, the CEO of Gem Diamonds, said,“The second half of 2017 saw the Company begin to benefit from the operational improvements implemented during the year, with a significant improvement in the recovery of the large diamonds from Letšeng.
Gem Diamonds has recovered a“high-quality” rough diamond weighing 126 carats at its Letšeng mine, following a switch to a more lucrative section of the project in Lesotho.
Gem Diamonds has obtained a 10-year lease to continue mining at the lucrative Letšeng deposit in Lesotho, but will have to pay a larger proportion of its sales proceeds to the government.
In addition, Gem Diamonds saw strong demand for large stones in the fourth quarter, pushing sales up by 84% to $69.8 million, compared to $38 million the company reported a year ago.
Gem Diamonds has recovered two rough diamonds larger than 100 carats at its Letšeng project in Lesotho amid a shift to a more lucrative section of the mine, the company said Monday.
Gem Diamonds must pay 10% of diamond sales to the government, an increase from the previous rate of 8%, though the government may waive part or all of the royalty if the company makes a large investment in the mine.
Gem Diamonds reported that its sales of diamonds from the Letšeng mine in Lesotho garnered $77.1 million at an average price of $2,146 per carat during the first three tenders of the year that took place between January and May 20.
Although high-quality gem diamonds are normally estimated to have been formed three billion to 3.5 billion years ago, these poor-quality, fluid-rich diamonds appear to be just a few hundred million years old- significantly younger in the Earth's geological timeline.