Gem Diamonds Limited is a United Kingdom-based diamond producer, which is engaged in the exploration and development of diamond mines. The Company operates diamond mining operations in Lesotho and Botswana. The Company's geographical segments include Lesotho, which is involved in diamond mining activities; Botswana, which is engaged in diamond mining activities; Belgium, which is involved in the sales, marketing and manufacturing of diamonds, and British Virgin Islands (BVI), Republic of South Africa (RSA) and the United Kingdom, which provides technical and administrative services. The Company owns the Letseng mine in Lesotho and the Ghaghoo mine in Botswana. The Company's subsidiaries include Gem Diamond Technical Services (Proprietary) Limited, Gem Equity Group Limited, Letseng Diamonds (Proprietary) Limited, Gem Diamonds Botswana (Proprietary) Limited, BDI Mining Corp, Gem Diamonds Australia Holdings and Gem Diamonds Investments Limited.