Pioneer Minerals (pty)ltd Diamond Tender HouseWhere house and stone have pure reputation Rough Diamond Tender House.MISSION:To attract the world’s top buyers, by hosting the highest value per carat producers.WE OFFER:Security with comprehensive insuranceModern boiling facilitySecure bidding on encrypted platformTransparent System … The Protea Pink DiamondRare 29.52 Ct Pink Diamond discovered in a South African Mine on June 2023 and submitted to Pioneer Minerals Tender house in Johannesburg for viewing.