Hong Kong, April 21 -- In the realm of luxury libations and spirits, nothing says 'blue blood' like a snifter of cognac. Engage in tumbler talk like a seasoned expert with our list of the most expensive cognac in the world.

Like many expensive spirits in the world, cognac has a long and storied history well deserving of love. From the locale in which it is produced to the ingredients used, high-quality and authentic cognac is incomparably prized by collectors and connoisseurs, many of which are prepared to pay top dollar. The level of fanfare the spirit enjoys certainly merits the staggering price tags the bottles can fetch. But just how much is the most expensive cognac in the world worth? What is cognac?

To appreciate the value and wo...