Investors have the opportunity to receive a fixed 7% return on a fully secure bond. Invest in New Rush Diamonds based in Kimberley, South Africa. We consistently produce diamonds of an exceptional quality with the largest diamond mined being 76 carats. With diamond prices set to improve over the next five years due to a world shortage, New Rush Diamonds are positioned to become one of the largest diamond distributors within the region. With each carat costing around $40 against a sale price of $150 this will make New Rush Diamonds the most cost efficient mines in South Africa.