This has changed as Rio Tinto unveiled a set of diamond jewelry from its Bunder diamond mine in Madhya Pradesh.

FORBES: Connect

The diamond-encrusted disc symbolizes the natural abundance of the Bunder diamond deposit.

FORBES: Connect

Discovered in 2004 by Rio Tinto, the Bunder deposit is estimated at 37 million tons of ore containing 27.4 million carats, a volume that would place Madhya Pradesh in the top 10 diamond producing regions of the world.

FORBES: Rio Tinto Celebrates India's Bunder Diamond Mine with Unique Jewels