Carbon trade in both types of diamonds exists, the two markets act in dramatically different ways. Unlike precious metals such as gold or platinum, gem diamonds do not trade as a commodity: there is a substantial mark-up in the sale of diamonds, and there is not a very active market for resale of diamonds. Industrial diamonds are valued mostly for their hardness and heat conductivity, with the gemological qualities of clarity and color being mostly irrelevant. About 80% of mined diamonds (equal to about 100 million carats or 20 tonnes annually) are unsuitable for use as gemstones are relegated for industrial
Commodity fetishism labor is mediated through market exchange, the buying and the selling of commodities (goods and services). Hence, in a capitalist society, social relations between people—who makes what, who works for whom, the production-time for a commodity, et cetera—are perceived as economic relations among objects, that is, how valuable a given commodity is when compared to another commodity. Therefore, the market exchange of commodities obscures the true economic character of the human relations of production, between the worker and the capitalist. Marx explained the philosophic concepts underlying commodity fetishism thus: The theory of commodity fetishism () originated from Karl Marx's references