All About Diamonds

by Sasha t on May 31, 2023

All About Diamonds - Jack Weir & Sons

Diamonds, with their exquisite brilliance and undeniable allure, have captivated humanity for centuries. These rare gemstones have been revered for their beauty, durability, and symbolic significance. But have you ever wondered where these remarkable gemstones come from? Join us on a captivating journey as we delve into the origins of diamonds and unravel the fascinating story behind these natural treasures.

GIA 5.01 carat oval cut three stone diamond ring on a platinum setting

To understand the origins of diamonds, we must first explore their formation. Diamonds are created deep within the Earth's mantle, approximately 90 to 120 miles below the surface. Under extreme heat and pressure, carbon atoms arrange themselves in a crystal lattice structure, giving birth to these precious gems. This process, which can take millions of years, occurs in regions of the Earth's mantle where specific conditions are met.

Vintage french diamond eternity band on 18k white gold

The journey of a diamond to the Earth's surface begins with volcanic eruptions. These immense geological events propel molten rock, known as magma, from the Earth's mantle towards the surface. The magma carries the precious cargo of diamonds along with it, as it rushes through narrow channels called kimberlite or lamproite pipes. These pipes act as conduits, transporting diamonds and other minerals to the surface.

Art deco gia 3.80 carat transitional cut diamond filigree ring on a platinum setting

Now the key to diamond discovery is kimberlite. Kimberlite is a type of volcanic rock, plays a vital role in the discovery of diamonds. The presence of kimberlite acts as a telltale sign that diamonds may be lurking beneath the Earth's surface. Geologists search for specific geological formations indicative of kimberlite pipes, such as craters or dykes, to identify potential diamond-rich areas.

GIA 1.50 Carat emerald cut diamond solitaire ring on a 18k yellow gold setting

Once a potential diamond deposit is identified, the process of mining begins. There are two primary methods employed in diamond extraction: open-pit mining and underground mining. Open-pit mining involves excavating the diamond-bearing kimberlite ore through large-scale operations, while underground mining requires tunnels to access deeper diamond deposits.

GIA 6.12 carat pear cut diamond ring on a platinum setting

Diamonds can be found in various parts of the world, each with its own geological history and unique characteristics. Some of the notable diamond-producing regions include:

- Africa: Africa is renowned for its significant diamond product. Countries such as Botswana, South Africa, Angola, and the Democratic Republic of the Congo are known for their diamond mines.

-Russia: Russia is another prominent player in the diamond industry with its vast diamond reserves in Siberia. The Mirny Diamond mine is known as the largest open-pit diamond mines in the world.  

-Australia: The Argyle diamond mine in west Australia gained fame for producing a substantial portion of the world's pink diamonds until its closure in 2020. Australia also boasts other diamond deposits, including the Ellendale Mine. 

-Canada: Canada has emerged as a significant player in the diamond market, particularly with the discovery of the Diavik and Ekati diamond mines. 

Diamonds are the product of remarkable geological processes that occur deep within the Earth's mantle. Through volcanic eruptions, diamonds are brought to the surface, where they captivate and enchant us with their dazzling beauty. Exploring the origins of diamonds not only deepens our appreciation for these natural treasures but also sheds light on the marvels of the Earth's geological history. As we continue to uncover new diamond sources and unearth nature's treasures, the story of these remarkable gemstones will undoubtedly continue to evolve, leaving us awe-inspired by their enduring allure.


Here at Jack Weir & Sons we’ve spent the last 40 years traveling to Europe and all over the world, curating extraordinary estate jewels. JWS is where the old world meets the new world. Celebrate life, preserve history, and discover your own priceless heirloom jewel. We are extremely grateful for our clients and the ability to help people to celebrate their special moments through one of a kind jewelry. To share that gratitude and our strong family values, we chose to partner with Baby2BabySo far, we've donated $125,000. A portion of every sale goes towards children living in poverty to provide them with diapers, clothing, and all the basic necessities that every child deserves.

We offer in-person and Virtual Appointments and are happy to answer any questions about your favorite jewel. 
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