Nosiphiwo Mzamo: South Africa’s State Diamond Trader to buy diamonds from other African countries

South Africa’s State Diamond Trader (SDT) is set to buy diamonds from other African countries starting with Botswana. SDT’s chief executive Nosiphiwo Mzamo told Rough & Polished’s Mathew Nyaungwa at the country’s inaugural diamond show, which...

10 february 2025

Edahn Golan: Halo effect from lab-grown diamonds driving high demand for large, 2-carat natural stones in the U.S.

Edahn Golan, owner of the eponymous Edahn Golan Diamond Research and Data, told Rough & Polished's Mathew Nyaungwa in an exclusive interview that their research found a halo effect from lab-grown diamonds. He said the trend among lab-grown diamond...

27 january 2025

Paul Zimnisky: We will see a modest recovery in natural diamond demand and prices in 2025

According to Paul Zimnisky, an independent diamond and jewellery analyst and consultant based in the New York metro area, the natural diamond industry will see a modest recovery in demand and prices this year. Zimnisky said a moderate recovery would...

13 january 2025

African Diamond Council makes traceability its top priority, wants KP to embrace Authentia.io

The African Diamond Council (ADC) has made traceability its foremost priority and has been contributing to a traceability solution called Authentia.io for the last three and a half years, which is now ready to globally satisfy the traceability...

16 december 2024

Gaetano Cavalieri: CIBJO leading the jewelry industry on critical issues

One of the gem and jewellery industry’s most well-known and respected personalities, Dr. Gaetano Cavalieri, has been the president of the World Jewellery Confederation (CIBJO), for the past 23 years. CIBJO is the oldest international organisation...

09 december 2024

Permafrost in Yamal may disappear by 2042 - deputy governor

21 february 2024

Climate change may lead to the complete disappearance of permafrost in the Yamalo-Nenets Autonomous Okrug of Russia by 2042, said Alexander Podoroga, Deputy Governor of the region.

"Yamal is experiencing the effects of climate change in the state of permafrost more than any other Arctic region. The main reason is the loss of bearing capacity of frozen soils. According to various estimates, it is expected that permafrost may disappear completely by 2042 of climatic conditions don't change," Podoroga added.

He noted that by 2050, the bearing capacity of soils will decrease to 60%, and about 54% of capital construction facilities in the region will receive damage of varying degrees, TASS reports.

Alex Shishlo for Rough&Polished