Would-be president Siteny's Russian business ties
Siteny Randrianasoloniaiko, who is running for president, can count on his economic links with the family of Marius Vizer, who heads the International Judo Federation and is close to Vladimir Putin.
All the luxury groups, from Richemont to LVMH, have made traceability commitments for their coloured stone jewellery. But the realities of a market concentrated in a handful of countries make credible certification impossible. Glitz.paris looks into the situation in Madagascar, the epicentre of the sapphire business.