Another source mentions that it's 1Kg? This is a recurrent recent problem with Western media that's cherry-picking details to advance an agenda. At this point they lost all credibility.

> Saridewi Djamani, who was charged with trafficking a total of 1kg of drugs containing 30.72g of pure heroin, also claimed she was suffering from persistent depressive disorder and severe substance use disorder.

It appears she might have had 1Kg of drugs but only 30g of heroin. It would be more interesting if the BBC does some real investigative work on whether different races in Singapore are treated differently by their justice system. The defendant here being racially Indian.