By Kirsty Card A woman hit back at a judgemental stranger who made a remark about her engagement ring. Kelsey Kotzur, a fashion influencer from New York, US, was teeming with newly engaged glee after getting her dream ring custom-made with a moissanite gemstone. The naturally occurring mineral has a similar appearance to a diamond which was once referred to as the “gemstone from the stars”. Today, it is predominantly made in a laboratory – which is more ethically and eco-friendly than diamond mining. It is also a quarter of the price on average. But the lower the price of your engagement ring,…