GMMAN is a supporting association of Nigeria Mining Week 2026, and encourages members across the gemstone and jewellery value chain…
News and Resources
The Gemstones Miners and Marketers Association of Nigeria (GMMAN) is delighted to collaborate as a Supporting Association for the upcoming…
The Gemstones Miners and Marketers Association of Nigeria (GMMAN) at the closing ceremony of the 3rd Nigeria Gemstones and Jewelry…
Nigeria is often associated with oil and agriculture, but beneath its surface lies another treasure trove: gemstones. Richly endowed with…
The city of Ibadan is set to sparkle like never before as the Nigerian Gem and Jewelry Exhibition (NGJE) returns…