Practically Prioritizing the Diamond 4Cs
Photo Credit: Wessel Hampsink on Unsplash

Practically Prioritizing the Diamond 4Cs

If you know anything about diamonds it's probably the 4 Cs - Cut, Clarity, Color, and Carat Weight. There's plenty of information about the 4Cs which can be found online and learned in conversations with professionals and enthusiasts, but prioritizing them is not always easy. Here are my suggestions.

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Lucara begins 2021 with a 341 carat stunner
Photo Credit: Lucara

Lucara begins 2021 with a 341 carat stunner

The hits keep on coming for Lucara at their Karowe mine in Botswana. The Vancouver based company has kicked off the new year with a 341 carat top white gem quality diamond, recovered from the mine's South Lobe over the holiday period.

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First Mothae rough sale in 2021 yields $5.6 million
Photo Credit: Lucapa

First Mothae rough sale in 2021 yields $5.6 million

4,676 carats of rough diamonds from Lucapa's Mothae kimberlite mine in Lesotho have been sold in Antwerp. Commanding a record price of $1,198 per carat, the parcel contained a number of larger pieces, including the 101 carat D colored crystal unearthed at the end of 2020.

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Same Carat Weight – Visible Size Differences

Different 1.00 carat diamonds can look different sizes. This is because we typically view diamonds from a single direction: Above. Imagine cooking a 1 pound meatball and a 1 pound pancake. On your scale they weigh the same. But the meatball's weight is distributed in a deeper geometry.

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Some Clarity on Diamond Clarity

Nature's birthmarks? Or unsightly specks? What do you think? There are many different philosophies regarding natural diamond and gemstone clarity. What do you think? Should a diamond be allowed to have few blemishes, or should it be as clean as the pure driven snow?

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See the Asteroid worth more than our global economy
Image credit: Maxar/ASU/P. Rubin/NASA/JPL-Caltech

See the Asteroid worth more than our global economy

The valuable asteroid composed entirely of iron and nickel drew to within 1.6 astronomical units (AU) of Earth over the weekend. If you're in the USA grab your telescope, escape light-pollution, find an elevated position and look to the north. 16 Psyche will be in the constellation of Taurus tonight.

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Scientific first – Diamonds created without heat
Photo credit: Crystal Kwok on Unsplash

Scientific first – Diamonds created without heat

Our planet's supply of diamonds were produced by four different processes. One took over a million years to achieve results. The next have been working in laboratories and factories, with increasing success, since the 1950s. But until this month man had never replicated that final process.

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Watch a video rainbow of lab-grown diamonds

Last week we posted an array of photos of lab-grown diamonds in rainbow colors. We're circling back today with a video-compilation of that same collection, all produced by the team at Diamond DNA.

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Lab-grown diamonds in rainbow colors
Photo credit: Diamond DNA

Lab-grown diamonds in rainbow colors

Do you remember when our friends at Diamond DNA had us grade that incredible 10-carat lab-grown diamond transformed from intense yellow to vivid pink using an electron beam? This time…

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