But this technology does not come cheap. You can expect to shell out £120 for each of them. But that’s nothing compared to a £1 million, diamond-covered vibrator - which is thought to be one of the world’s most expensive sex toys. If that sounds like a lot of cash to splash on getting off, then there's always the ones available at your local supermarket. Yes, you read that right. This week, the supermarket chain Sainsbury's announced they would be launching a range of affordable sex toys. But even at the more budget-friendly end of the market (the range will cost between £8 and £15), the pieces - in rose gold, blush and silver - look more like dinky sculptures than, to quote Leanne, ‘dicks'.