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Alrosa (Russian: АЛРОСА) is a Russian group of diamond mining companies that specialize in exploration, mining, manufacture, and sale of diamonds. The company leads the world in diamond mining by volume. [2] [3] Mining takes place in Western Yakutia, the Arkhangelsk region, and Africa. Alrosa is Russia's leading diamond mining and ...
The Alexander Pushkin (Russian: Алекса́ндр Пу́шкин, IPA: [ɐlʲɪˈksandr ˈpuʂkʲɪn]; lit. ' Alexander Pushkin ') is a 320.65 carat [1] colorless [2] raw diamond, the second largest gem diamond ever found in Russia or the territory of the former Soviet Union (after the 26th Congress of the CPSU), and one of the largest in the world as of 2016.
Sunlight focuses on low-cost segment and produces compact (thus requiring a lower volume of precious metals) jewelry with small jewels or diamond chips instead of full diamonds to reduce price. The company's facilities are located in Kostroma , Novosibirsk , Ekaterinburg , Krasnoyarsk , Izhevsk , Moscow , and Saint Petersburg .
Lab-grown diamond sales surged from just 2% of the global diamond jewelry market in 2017 to 18.4% in 2023, according to data provided by Zimnisky. Additionally, the case for buying diamonds as an ...
BRUSSELS/LONDON (Reuters) -The United States is re-evaluating the strictest elements of a ban on Russian diamonds from the Group of Seven major democracies, after opposition from African countries ...
Founder & CEO of Diamond Cutters International Fred Cuellar, also known as “The Diamond Guy", sits down with Yahoo Finance Live to discuss disruptions to the diamond industry due to the Russian ...
In the HPHT diamond-growing method that was used by Gemesis, carbon, in graphite form, was placed in a cylindrical "core". A tiny CVD seed diamond was placed at the bottom of the cylinder. The graphite was then subjected to extreme pressure, 850,000 lbf/in² (5.9 GPa) and temperature, 3,000 °F (1,650 °C) for four days.
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