Larimar, the “Stone of Atlantis” or “Dolphin Stone,” is a very rare and stunning gemstone that captivates with its tranquil shades of blue, ranging from soft turquoise to deeper oceanic blues. Found exclusively in the Dominican Republic, Larimar is one of the rarest gemstones on earth! ... access to fresh Larimar will be even more limited. These factors, along with the stone's scarcity, have solidified Larimar as one of the most sought-after gemstones in the world.