How have technological advances in mining and processing affected diamond production?

• A. They improved recovery rates, reduced waste, enhanced quality control, and lowered production costs.
• B. They increased waste and reduced recovery rates.
• C. They did not change the production process.
• D. They made diamonds harder to separate from rock.

Answer: (A)

Technological advances in mining and processing boost production by making extraction more efficient and diamonds easier to recover. In mining, better exploration, drilling, blasting, and ore handling reduce dilution and damage, while improved crushing, grinding, and ore sorting separate ore from waste more effectively. In processing, advanced separation and sorting technologies—such as dense media separation and modern X-ray or optical sorters—identify and extract diamonds with greater accuracy, even from complex ore. This combination increases recovery rates, reduces waste, enhances quality control, and lowers production costs through automation, precision, and less energy and labor. The idea that technology would leave production unchanged, increase waste, or make separation harder doesn’t align with how these innovations have driven more efficient, cost-effective diamond production.