How black and white pearls really differ: the oysters behind each, why black pearls are dark, a side-by-side comparison, and which one to choose.

Black Tahitian or golden-and-white South Sea? Compare the two great saltwater pearls on colour, oyster, size and feel to find the right one for you.

Why most cheap 'black pearls' are colour-treated freshwater pearls, how a real Tahitian differs, and the tells that separate a naturally dark gem from a coloured imitation.

Tahitian versus Akoya pearls compared on colour, size, lustre, origin and character — so you can decide which classic suits you, with a clear side-by-side table.