The Raw Diamond Blog

All the information you need to learn about our process, our updates, our rough diamonds and artisanal sapphires, and everything in between.

Diamond Crystals: Shapes and other Physical Characteristics

Crystal, dodecahedron, octahedron, maccle … This is how we’ve been describing some of the new stones on our site lately. If you’re not a gemologist, it probably hasn’t meant much... Read More

Interview with GIA Certified Gemologist Rachel Chertoff Kaminetsky

February 10, 2013 We are pleased to have the opportunity to post an interview with our newest team member - gemologist Rachel Chertoff Kaminetsky! Rachel was born in New York... Read More

Interview with TAWOMA's Secretary General Shamsa Diwani

January 31, 2013 We are extremely excited and honored to have Shamsa Diwani, Secretary General of the Tanzania Association of Women Miners, participate in an interview with us. Shamsa... Read More

Announcing the winner of the rough diamond design contest!

The results are in for the rough diamond giveaway! Thank you to everyone who submitted designs for our rough diamond giveaway. We are so excited about the creativity and... Read More

Rough Diamond Giveaway Launch

October 3, 2012 After a great deal of consideration, we've decided which diamond to stand as the subject and giveaway of the design contest mentioned in our previous... Read More

Raw Diamond Design Contest | Rough Diamond Giveaway

September 24, 2012 We’ve decided to try something a little new. A growing number of jewelers are branching out into using rough diamonds in their designs. So, we'd like to... Read More

Responsible Aquamarines From TAWOMA

August 16, 2012 We’d like to announce our new responsibly-sourced aquamarine inventory. We have an array of shapes and sizes. The cuts are of excellent quality, and the color is... Read More

Fairtrade Gemstones: Setting the Record Straight

July 24, 2012 If you’ve been following the ethical jewelry industry, you’ll notice that many jewelers are marketing their materials as fairtrade-sourced. This is great news for anyone related... Read More

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Responsible Ceylon Sapphires

May 13, 2012 Here at the Raw Stone, we’re pleased to announce that we’re bringing in new stones from Sri Lanka. The stones are white and green sapphires that... Read More

Blood ruby or conservation ruby? A Niassa ranger presents a small ruby still attacehed to its matrix, collected on the ground from the left overs at the illegal ruby mining site near M’swize village in the Niassa National Reserve, November 2009. Photo: V. Pardieu / GIA Laboratory Bangkok

Conservation Gemstones

May 1, 2012 at 4:12 pm In the course of running a business in an entirely new industry of ethical gemstones, we come across only a few articles every... Read More