The monopoly aspect of the diamond market is a pretty outdated claim. It is not currently possible to synthesize large, flawless clear diamonds. The supply side

The monopoly aspect of the diamond market is a pretty outdated claim. It is not currently possible to synthesize large, flawless clear diamonds. The supply side (mining/cutting/selling) is largely constrained by the ability to unearth the rarest high-quality gemstones. http://www.resourceinvestor.com/2013/04/09/diamonds-driven-market-forces-first-time-100-years http://www.resourceinvestor.com/2013/04/09/diamonds-driven-m...