Aquamarines are the rising new entrants in the gemstone market. Whilst aquamarine stones have historically been overlooked for the top four precious stones, the demand for these coloured gemstones whose hue falls within a narrower range of blue to greenish-blue makes them a distinct colour choice for gemstone seekers. Given the smaller and distinct colour range, aquamarine stones are increasingly sought after as a rarer gemstone, one that is distinct also in terms of its mineral character. As aquamarine stones are made of beryllium aluminium silicate, giving them a natural stony glow that is hard to miss. Setting itself apart from the likes of Topaz; Aquamarine stones have been referred to in ancient times as “water of the sea”, and they have been used as an instrument of good luck for sailors and adventures. With the unique sea blue colour range, along with high clarity, the faceted aquamarines are known for their fewer inclusions. Sometimes considered the blue coloured competitor of emeralds, aquamarines are popular in the emerald cut range, but that need not be the only option. Aquamarines are pleochroic in character: meaning they show different colours, based on the side of the crystal that is being viewed. These are some of the interesting aspects of the famous sea-blue gemstone.