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

Yellow diamond necklace to headline Sotheby’s Hong Kong sale on October 7

29 september 2023

Five contemporary works by jewelry artist Anna Hu, including a show-stopping diamond necklace, will headline Sotheby’s Magnificent Jewels and Jadeite Autumn Sale in Hong Kong on October 7.

Sotheby’s provided Hu with the 100.02-carat fancy intense yellow diamond that is the colorful focal point of the Dunhuang Pipa necklace. The impressive piece, which resembles a four-stringed Chinese lute, is expected to fetch $5 mn to $6.25 mn.

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Titled the “Silk Road Music Collection,” Hu’s latest designs were inspired by the musical and cultural exchanges that took place on the Silk Road, an ancient trade route that connected China with the Mediterranean Sea. The route was active from the 2nd century BC until the 18th century AD.

Aruna Gaitonde, Editor in Chief of the Asian Bureau, Rough & Polished