5. Russian Blue

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Russian Blue cats are one of the most expensive breeds of cats. They can cost up to $3000, but if you want a beautiful cat that has a close relationship with humans, it is recommended to go with them. They have a slate-grey color with a dense coat. This cat has been known for over a century and is from Arkhangelsk, Russia. Archangel Blue cats are also known as these cats. It is believed that in the 1860s, the cats were brought from the Archangel Islands and Northern Europe.
Due to the Second World War, breeders took the time to develop this particular breed. During this time, there were very few Russian Blue cats. For this reason, breeders crossed the Siamese with other breeds. Such cats can grow old with you. 10 to 20 years is the average lifespan. Some of these cats have even lived for 25 years.