CG Diamonds South Africa has partnered with one of South Africaâ€™s leading jewellery designers Olga Jewellery Design Studio. Olga, established in 1976, has designed and manufactured handmade pieces for clients all over the world. Select your engagement ring from over 500 personalised designs. All handcrafted to perfection! We are very privileged to become part of their team and make bespoke pieces. By choosing your diamond from CG Diamonds South Africa and selecting your Olga inspired design, you will be assured of the finest quality and best value.