Table 3.

Comparison of discussed parameters for HPHT, MP CVD, and mined diamonds.

Process	Origin	№ of people	Labor input, hw/ct	Quality control	Productivity	Mobility	Preliminary work	Notes
HPHT	Nature replication	Medium	1.83	Medium	High	High	High	The cubic HPHT press, producing ∼23 carats of (near-) colorless average-sized diamonds per week
HPHT	Nature replication	Medium	0.93	Medium	High	High	High	The cubic HPHT press, producing ∼46 carats of (near-) colorless average-sized diamonds per week
2.45-GHz MP CVD	Not natural	Low	3.43	High	Low	High	Low	2.45-GHz MP reactor, with a capacity of ∼7 carats of (near-) colorless, single-crystal diamonds per week
Mining	Natural	High	0.43	Low	Very high	Very low	High	Orapa and Jwaneng Mines, Botswana, DeBeers Group, mixed size of diamonds