"Our vigil is not over. And we must continue to be alert and active," Commerce Secretary G.K. Pillai told the annual conference on the Kimberley Process Certificate Scheme (KPCS) here.
"The guns are becoming increasingly silent, but we must be alive to the fact that several fragile situations exist," he told the delegates from 34 out of 74 countries that are members of the Kimberly Process.
Under the initiative of the United Nations, KPCS seeks to ensure that only those diamonds that are sold by legitimate entities - as opposed to rebel groups - enter the global market.
"We must also find solution to the problem of fake KP certificates. It undermines the very core of what KPCS wants to achieve. The problem must be addressed."
He said the diamond industry here provided jobs to over one million people and had a 60-percent share in the world's polished diamond industry by value and about 82 percent by volume.
Representatives from 34 countries are participating in the three-day conference, aimed at eliminating conflict or "blood" diamonds.
Some of the key participating nations are