Rietput Riggs Diamond
Written by Administrator   
Monday, 29 October 2007

Rietput. A minor alluvial diamond deposit in the Schweizer Reneke area, Transvaal Province, Republic of South Africa. Annual production is negligible.

Riggs diamond. A 28.3-carat dia­mond in the Smithsonian Institution. Reported to be colorless.

Rio Belmonte. One of the principal diamond-producing rivers in the Diamantina District, Minas Gerais, Brazil.

Rio Branco. A minor diamond-producing state in Brazil. See brazil.