The global diamond sector is scrambling to get ahead of an upcoming G7 ban on Russian gems, with consumers and producers battling to manage ever more complex supply chains against a backdrop of sluggish demand.
With direct sales of Russian gems already crushed by U.S. sanctions on Russia’s state diamond miner Alrosa, the G7 is now in the process of thrashing out details of a further ban on indirect sales in its member countries, expected by…