Natural Diamond Origin | The Point Two Gram

Natural diamonds and their associated minerals are the only direct samples we have of the deep Earth. Here we highlight studies that investigate the origin of natural diamonds, and the mineralogy of the deep inaccessible Earth. Geologists can use these studies to help them refine exploration models and find new diamond mines.

The $15.7M surprise from Canada’s Victor Mine

In October 2020, a flawless D-colour 102 carat diamond sold for $15.7 million US (read more here). Diamonds like this make headlines from...

Diamond, a technological gem in the quantum realm

Diamond, clearly, is synonymous with the gemological trade but in the last 20 years of material science research, diamond is now firmly...

Where is the oldest diamond-bearing mantle?

Quartz conglomerates from Nunavut in northern Canada (near the Coronation Gulf) are one part of the puzzle to figure out when and how the...

Where does the carbon for diamonds come from?

We know that subduction is the key way to get carbon into the diamond-forming regions of the deep Earth. But which rocks in the...