Alrosa Extracts Its Largest Fancy-Coloured Diamond of 2017

A magnificent yellow diamond weighing in at a remarkable 34.17 carats has been extracted by ALROSA's affiliate, Almazy Anabara, making it the largest fancy-coloured rough diamond discovered by the company this year.

Discovered at the Ebelyakh alluvial deposit in the Republic of Sakha (Yakutia), the rough diamond, measuring 20.17 x 19.65 x 15.1mm is a transparent and vivid yellow crystal with a small inclusions categorised in the intermediate zone.

Given that Almazy Anabara had already this year, extracted the largest pink stone in ALROSA's history - the unique 27.85 carat pure pink diamond - this newest discovery means that ALROSA has hit an all-time record in the number of fancy-coloured diamonds unearthed at its division for 2017.

Read more: Magnificent 51ct Dynasty Diamond Unveiled by Russian Mining Giant


The 34.17-carat yellow diamond is the largest fancy-colored rough stone Alrosa has recovered this year. © OJSC ALROSA

In the official ALROSA press release, director of the United Selling Organization ALROSA Evgeny Agureev commented,

"This year for ALROSA has already hit the record in the number of large fancy-colored stones. We used to extract fancy-colored rough diamonds over 10 carats once a year on the average. This year, we have already recovered several large fancy-colored diamonds, and this 34.17 carat yellow stone is the largest one by far. The Company's specialists are still to study the stone more in detail, but we can say in advance that it is fancy vivid yellow, which is very rare and highly valued. The stone will become a worthy addition to our collection of large rare-colored diamonds that we are forming and will bring to the market."

Read more: Extraordinary emerald valued at $309 million is unearthed in Brazil

For further information and photos of ALROSA's newest discovery visit eng.alrosa.ru
Interested in finding out more about gemmology? Sign-up to one of Gem-A's courses or workshops.
If you would like to subscribe to Gems&Jewellery and The Journal of Gemmology please visit Membership.

Cover image: The rough diamond, measuring 20.17 x 19.65 x 15.1mm is a transparent and vivid yellow crystal © OJSC ALROSA


Speaker in the Spotlight: Peter Lyckberg

Speaker in the Spotlight: Peter Lyckberg

As we get closer to the 2018 Gem-A Conference next month, Gem-A chats to mineral expert Peter Lyckberg ahead of his talk on gem deposits of Afghanistan and Pakistan.

Read more


Speaker in the Spotlight: Victor Tuzlukov

Speaker in the Spotlight: Victor Tuzlukov

Ahead of his talk on the 'Precious' and 'Artistic' cuts, Gem-A chats to 2018 Conference Speaker Victor Tuzlukov.

Read more


Investigating Fake Rough

Investigating Fake Rough

From the Summer 2018 issue of Gems&Jewellery, Gagan Choudhary FGA, deputy director of Gem Testing Laboratory Jaipur, describes the various types of fake gem rough that has passed his desk in recent months.

Read more


Heritage Series: Let's Bragg about it!

Heritage Series: Let's Bragg about it!

Our Heritage Series returns to celebrate two of Gem-A's most distinguished Presidents, father and son duo Sir William Henry Bragg and Sir Lawrence Bragg, who were jointly awarded the Nobel Prize in Physics in 1915 for their research in X-ray Crystallography. 

Read more


Speaker in the Spotlight: Monica Stephenson

Speaker in the Spotlight: Monica Stephenson

As we get closer to the 2018 Gem-A Conference next month, we chat to ANZA Gems founder Monica Stephenson. 

Read more


Speaker in the Spotlight: Justin Hunter

Speaker in the Spotlight: Justin Hunter

Gem-A speaks to founder of J.Hunter Pearls, Justin Hunter, ahead of this talk at the 2018 Gem-A Conference.

Read more


Speaker in the Spotlight: Wallace Chan

Speaker in the Spotlight: Wallace Chan

Gem-A chats to jewellery artist and innovator, Wallace Chan, ahead of this talk at the 2018 Gem-A Conference next month. 

Read more


Birthstone Guide: Opal for Those Born in October

Birthstone Guide: Opal for Those Born in October

Prized since antiquity, opal is the birthstone for October. Here, Gemmology Tutor Lily Faber FGA DGA EG explores this beautiful gemstone as we enter autumn. 

Read more


Speaker in the Spotlight: Federico Barlocher

Speaker in the Spotlight: Federico Barlocher

Gem-A Conference 2018 Speaker, Federico Barlocher, chats to us ahead of his talk on the legendary ruby Mogok mines in Myanmar.

Read more