I found this Bjørg butterfly pendant lying sadly in a thrift shop bargain bin a few weeks ago. It is made of sterling silver and studded with an uncut black diamond. It was brand new in original packaging and originally priced at $70, I nabbed it for $8 and will be giving it as a gift to a friend who adores butterflies.
I think it was so cheap because it was badly tarnished. Most people don’t seem to realise that silver brightens up amazingly after a quick dip and rub with a cloth. After about three minutes in silver dip, it looked like this: