With Valentine’s day just a week away, I am today having a look at gifts that would work  well for both men and women, that is, the gift of jewellery. Jewellery is very much a gift that appeals to varied tastes, and whether you opt for beautiful costume pieces, or the real deal, you can be sure that the effort that has gone into choosing a piece of jewellery would be very much appreciated. Here I have put together a few jewellery gift ideas that I think should cover all bases and tastes. Stackable Rings A great gift idea, and also a really stylish and fashionable item, are stackable rings.…