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  1. How Do Diamonds Form? | They Don't Form From Coal! - Geology.com

    Geologists believe that the diamonds in all of Earth's commercial diamond deposits were formed in the mantle and delivered to the surface by deep-source volcanic eruptions.

  2. How Are Diamonds Formed? 10 Fascinating Scientific Facts

    Jul 16, 2025 · How are diamonds formed? Explore their fascinating billion-year-old origins from deep in the Earth and debunk myths with scientific facts.

  3. How Are Diamonds Formed - Geology In

    Diamonds form deep in the mantle and reach the Earth’s surface through rare, powerful volcanic eruptions. These eruptions are crucial for transporting diamonds quickly to the surface, …

  4. How Diamonds Are Formed | The Diamond Pro Animated Guide

    Apr 11, 2023 · Diamonds are not only formed under the heat and pressure of the Earth’s gravity, but can form in the midst of a collision between Earth and an asteroid. Russia claims to have a …

  5. How are diamonds formed? Learn the natural diamond creation …

    Sep 12, 2024 · Diamonds are formed under intense heat and pressure deep within the Earth, making them one of nature’s most remarkable creations. Most natural diamonds are over a …

  6. Formation of Diamonds | The Cape Town Diamond Museum

    Diamonds were formed over 3 billion years ago deep within the Earth’s crust under conditions of intense heat and pressure that cause carbon atoms to crystallise forming diamonds. Diamonds …

  7. How natural diamonds are formed over billions of years

    Jul 29, 2025 · Learn how natural diamonds are formed deep within the Earth over billions of years, making each stone rare, authentic, and rich in natural wonder.

  8. How Are Diamonds Formed? The Fascinating Journey from Deep …

    Jun 4, 2024 · This article delves into the geological processes that create diamonds, the conditions required for their formation, and the journey they take to reach the surface.

  9. How are Diamonds Made? Naturally Formed vs Lab-Grown

    Sep 19, 2023 · Diamonds are formed when carbon is subjected to extreme heat and pressure over time. This synthesis can happen naturally, as in the case of volcanic eruptions, or …

  10. How are Diamonds Made? - Smore Science

    Nov 10, 2025 · Discover the fascinating journey of how diamonds are formed deep within the Earth's mantle. Learn about the geological processes that create these precious gems.