5 Things to Know About … Ethiopian Emeralds

EditorsApr 27, 2017

5 Things to Know About … Ethiopian Emeralds

Senior Editor Brecken Branstrator shares five facts about the emeralds now originating from a source about 300 miles south of Addis Ababa.

Michael Nemeth of MLN gems cut this 19-gram (95-carat) piece into a 10.64-carat faceted gem. Nemeth said the GIA gave it a “None” indication on treatment, which is the highest no treatment grade available.

It’s always kind of exciting when a new source for gemstones pops up and everyone starts wondering how big and important it will be for the colored stone market.

In Tucson, word started floating around about a new deposit of emeralds in Ethiopia. Since I wasn’t able to get much information there or see a stone in person, I decided to take some time to gather more information and give it a dedicated blog once I was back.

Ethiopia is, of course, already known for being a source of high quality opals, and while this isn’t the first time that the country has produced emeralds--even if it was in very small amounts--around last August, a new deposit started turning out some fine quality gems.

This new source is located about a little more than 300 miles south of the country’s capital, Addis Ababa.

It’s still pretty early days with this deposit, and there’s no telling how long or short the supply will run.

For now, though, here’s a little about what we know.

(One side note: I did reach out to Dr. Girma Woldetinsae, the director of research and development at the Ministry of Mines, Petroleum & Natural Gas in Ethiopia to get their take on the development, but he was not able to contribute to this blog post by press time.)

1. The new deposit is located in the Seba Boru district of the country.

The closest town to the mining area is called Shakiso, where the rough generally goes to market first after being sorted, according to a recent Gems & Gemology article. It then normally goes to be sold to dealers in the capital city of Addis Ababa, which is about a 12-hour drive north of the mining activity.

2. Mining done in the area still is done the traditional way, by hand and without heavy machinery.

According to Michael Nemeth of MLN Gems, who has traveled to the area, mining is being done by small-scale miners, and the area is divided into “associations,” with each featuring a manager and several members who control the mining and distribution of the rough.

While I wasn’t able to get a more recent number on production, a source in Ethiopia’s Ministry of Mines, Petroleum and Natural Gas told Nemeth that as of the end of January, more than 100 kilograms of emerald rough (about 500,000 carats) had been produced.


dealer Mark Kaufman added that production of gem-quality emeralds currently is pretty sporadic, which could have a lot to do with the small scale of mining, but that, “when there is a great crystal, it’s really, really good.”

He estimates that most of the fine gem quality material currently coming out of the deposit is averaging 3 carats and under after cutting.

3. Though much of what comes from the source is commercial grade and heavily included, there is some fine material to be found.

A cut and polished emerald from Ethiopia. Image courtesy Michael Nemeth, MLN Gems
The gem-quality crystals can be found in exceptional size, color and clarity and can produce stones that require no clarity enhancements like oiling, Kaufman, Nemeth and gem dealer Phil Zahm all said.

It’s schist-hosted material, which means the Ethiopian rough is comparable to emerald rough from Zambia and Brazil. (Colombian emerald rough is found in calcite deposits.)

Zahm described the color of the fine material from Ethiopia as a little more “open and vivid” than what he usually sees with emeralds, adding that it has a slightly more minty color and “kind of glows.”

Michael Krzemnicki, director of Swiss Gemmological Institute SSEF, said they have only gotten a few in to the lab so far, noting they were “rather medium saturated green and showed features and analytical properties ... somehow similar to emeralds from mica schist-related deposits such as in Brazil, Russia, Zambia and Habachtal in Austria (a historically important source in Europa) to name a few.”

4. Pricing of the material is still being worked out.

Pricing is hard to gauge and talk about since there has been so little coming out and so few gem dealers who are working with the material, but so far, it seems to be just about on par with or at a premium to Zambian and Brazilian emeralds, according to the dealers with which I spoke. 

Nemeth said currently, he could sell an Ethiopian emerald between 2 and 3 carats for between $4,000 and $5,000 per carat, and perhaps a little more for a slightly finer stone.

Zahm has only worked with one stone so far, noting that he sold it for about $9,000 per carat.

Still, Kaufman said he’s seen that the price of the rough has gone up since the deposit started producing last fall, even as quality has gone down.

“The last parcel I looked at about two weeks ago, I saw 3.5 kilos (about 17,500 carats) of rough, of which I bought maybe 150 grams (about 750 carats). Nothing cut larger than 6 carats. And the color was not strong.”

Demand for the stones is there, especially since the deposit has shown it can produce emeralds that need no treatment or enhancement, but Kaufman said he’s seeing margins being squeezed as the price of rough increases due to rarity and the slow production of rough being snatched up quickly, which means buyers have to be more selective now.

“There’s a big learning curve on this material because there is no oil. If the material was oiled, you could cut much bigger stones because you could hide a lot of the inclusions," he said, adding that he and some other dealers would want to keep it untreated or unenhanced, to give it an advantage in the market.

Otherwise, the material competes with the emeralds from Zambia and Brazil, he said.

5. The local government is keeping a close eye on the new deposit.

Due to concerns about instability, most of the area was temporarily closed as part of a joint effort between the mining associations and the government in November and December, Gems & Gemology said.

According to Nemeth, it was closed again earlier this year after some issues with international buyers.

While it has since reopened, entering the mining area is prohibited, and all buying activity is closely restricted, with all buyers, even locals, required to obtain both a federal letter and a regional letter to participate.

Still, Nemeth said he thinks the area could be a big producer.

It remains to be seen whether that will be true or not, and it’ll be interesting to see how it things develop.

In the meantime, unless something changes in the area or someone else is brought in to ramp up production, it’s likely to stay, for a while at least, an area of concern for just a small amount of people in the trade and the material mostly for collectors and connoisseurs of gems.
Brecken Branstratoris the senior editor, gemstones at National Jeweler, covering sourcing, pricing and other developments in the colored stone sector.

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