Discover science
12 of the world's rarest gemstones
When it comes to gemstones, many people believe that diamonds are the rarest in the world. But in reality, there are some types of stones that are even more valuable and…
Carat
Browse ScienceInfo articles and explainers related to Carat.
Topic archive
Articles about Carat
43 published items.
Discover science
Scientists for the first time made diamonds from red peonies
Chinese scientists have created a 3-carat diamond entirely from carbon elements derived from red peonies.
Environment
American startup sucks CO2 from the air to make diamonds
A startup is sucking CO2 from the sky and creating diamonds. The jewels will now help us fight climate change.
Discover science
Found an extremely rare 2.6 billion-year-old black diamond from extraterrestrial
The rare 555.55-carat black diamond, the result of an asteroid-Earth collision billions of years ago, could be worth as much as $5 million.
Discover science
Found a diamond nested in a super rare 1,400 million year old diamond
A mining company has discovered a diamond within a super-rare diamond in western Australia, estimated to be thousands of millions of years old.
Discover science
New ultra-lightweight 18K gold made from ordinary plastic
Researchers at ETH Zurich said the new ultra-light 18K (carat) gold has the same physical properties as plastic but retains the metallic bright surface of gold, as well…
Discover science
Diamond discovered 'crisis' intact during 2 billion years in Russia
The 190.77-carat diamond was found in the Yakutia Republic of Siberia, Russia, just days before the new year 2020.
Animal world
The tiger is planted with fangs of gold
It took nearly 80 minutes for dentists to implant gold dentures for caries in the Massweiler conservation center.
Discover science
Super strange Russian pink diamonds may be the most expensive gem in the world
The 14.83 carat pink gem has been found and cut by Russian diamond mining company Alrosa PJSC is expected to have a record price when it is sold by the end of the year.
Discover science
Discovered a huge 1,758 carat rough diamond in Botswana
Canada's Lucara Diamond Group recently unearthed the largest rough diamond in more than 100 years of history at Botswana's Karowe mine, larger than a tennis ball.
Discover science
Admire the golden diamond 'terrible' rarely seen
Diamond mining company Dominion Diamond Mines (Canada) revealed that they discovered the largest diamond ever in North America in October.
Discover science
Found gems more expensive than diamonds, weighing 1.1kg in the Zambia mine
The jewel was identified as 5,655 carats or 1.1 kg, discovered by geologist Debapriya Rakshit and veteran miner Richard Kapeta earlier this month.
Discover science
Walking suddenly picked up the diamond in the park
According to Fox news, a 71-year-old tourist from Aurora, Colorado visited the park
Discover science
Science says: We absolutely can create diamonds with just ... microwave ovens
Owning a diamond (even an artificial diamond) is a wish for many people, but have you ever thought that you could create a diamond?