Larimar is a softer gemstone. It ranks 4.5 to 5 on the moh’s hardness scale. So making larimar ring is extremely difficult, But the fibrous ingrowth gives it the required strength, which is why it can be used in jewelry. Larimar is available in varied sizes but is usually found as a large cabochon gemstone. That is why it makes the most ecstatic larimar ring loved around the globe.