The second largest diamond on the earth has been found in Botswana. Canadian mining firm Lucara Diamond used a complicated X-ray scanner to discover a 2,492-carat diamond from its Karowe Diamond Mine. That is a whopping 17.58 oz (498.4 g).
The most important gem-quality tough diamond ever discovered was the well-known Cullinan Diamond that was dug up at Premier Mine in Cullinan, Transvaal Colony, South Africa in 1905. It weighed in at a report 3,106 carats (21.9 oz, 621 g). When reduce up, it yielded 105 stones, together with the Nice Star of Africa and others which might be a part of the British Crown Jewels.
Now, there is a new second place champion, solely this one is from Botswana, which is changing into a serious participant within the gem market.
The still-to-be-named gem was found utilizing a method referred to as Mega Diamond Restoration (MDR) X-ray Transmission (XRT). Put merely, this consists of a conveyor belt on which the kimberlite ore from the diamond mine is unfold evenly. This passes over an X-ray beam with a sensor set above it.
A pc processes the info gathered from the scan and creates a sequence of photographs that identifies particular person stones by form and density. If the density is near that of a diamond, because the ore falls off the top of the belt, a jet of air blows the candidate into a group bin.
Based on the corporate, MDR XRT is especially good for finding out giant, gem-quality diamonds and has already discovered some distinctive stones, together with the 1,758-carat Sewelô diamond and the 1,109-carat Lesedi La Rona.
Lucara
Simply to present some perspective, the most important artificial diamond is the Celebration of India, which is available in at a wimpy 75.33 carats. Whereas artificial diamonds have turn out to be simpler to supply lately, they do not present a lot competitors for the actually top-tier flawless diamonds.
That is partly as a result of technical problem and partly due to how the diamond market works. They preserve their worth by way of shortage, which is rigorously policed by the worldwide diamond cartel, which fights towards smuggling and blood diamonds. Like diamond miners, artificial diamond makers have a vested curiosity in not disrupting the market, so they have a tendency to pay attention their efforts decrease down the meals chain with the cheaper jewellery and industrial stones.
“We’re ecstatic concerning the restoration of this extraordinary 2,492-carat diamond,” mentioned William Lamb, President and CEO of Lucara. “This discover not solely showcases the outstanding potential of our Karowe Mine, but additionally upholds our strategic funding in cutting-edge XRT know-how. The flexibility to recuperate such a large, high-quality stone intact demonstrates the effectiveness of our method to diamond restoration and our dedication to maximizing worth for our shareholders and stakeholders.”
Supply: Lucara Diamond