Massive 2,492-Carat Diamond Discovery in Botswana

World's Second Largest Diamond

• A massive 2,492-carat diamond was discovered in Botswana on August 22, 2024, by Lucara Diamond.
• It is the second-largest diamond ever found and the largest found in Botswana.
• The biggest diamond to date is the 3,106-carat Cullinan diamond found in South Africa in 1905.
• The yet-to-be-named stone was found in the Karowe mine using X-ray technology.
• The Karowe mine is known for exceptionally large diamonds, including the 1,758-carat Sewelô diamond.
• The Sewelô diamond was sold to Louis Vuitton in 2019 for an undisclosed amount.
• It will take experts several months to determine the value of the latest find, but it is expected to be worth tens of millions of dollars.
• Large diamonds are typically cut into smaller gems.
• The Cullinan diamond was cut into nine larger gems and about 100 smaller ones.
• The 530.2-carat Cullinan I was added to the Sovereign's Sceptre with Cross in 1910 and the sceptre has been used in every coronation since 1661.
• The 317-carat Cullinan II is the centerpiece of the Imperial State Crown.
• Diamonds form when carbon atoms are squeezed together under high pressure deep underground at depths of over 93 miles (150 km), where temperatures exceed 2,000°F (1,093°C).
• Diamonds rise closer to the Earth's surface through volcanic eruptions.
• Most natural diamonds are at least a billion years old, and some are over three billion years old.

Japan's Floating City

• Rising sea levels may cause yearly flooding for almost 300 million coastal inhabitants worldwide by 2050.
• Japan's N-Ark aspires to construct a floating city to combat rising sea levels.
• Dogen City will measure roughly 1 mile (1.58 km) in diameter and about 2.5 miles (4 km) in circumference.
• Intended to protect inhabitants against tsunamis, the floating city will have a unique two-layer design.
• The top layer will house a self-sufficient maritime city.
• The second undersea layer will feature a sea-cooled data center for city management, healthcare, and drug discovery.
• Dogen City will accommodate 10,000 residents and 40,000 visitors.
• The self-sufficient maritime city will have food production facilities, schools, hospitals, sports areas, offices, and parks.
• New farming technology will enable residents to produce up to 7,000 tons of food annually using seawater.
• Locals and visitors will have access to state-of-the-art health care assessments and medical care.
• A dedicated area to launch and land rockets for space tourism is included in the plan.
• The project's designers want to complete Dogen City by 2030.
• Key details such as the location and cost of the project remain undisclosed.
• The South Korean city of Busan unveiled plans for a sustainable maritime metropolis in 2022, able to house up to 100,000 people.
• The Netherlands has been home to a thriving floating community since 2021
• The innovative Schoonship neighborhood consists of 46 homes across 30 water plots, home to around 100 residents.

A 2,492-carat diamond, the second-largest ever, was found in Botswana's Karowe mine by Lucara Diamond. This find follows the 1,758-carat Sewelô diamond. Experts estimate it will be worth tens of millions of dollars once evaluated.