Musgravite is a gemstone few have heard of and even fewer have seen. First discovered in 1967 in the remote Musgrave Ranges of South Australia, it was originally mistaken for Taaffeite, its close mineral cousin. What sets Musgravite apart is its extreme scarcity. Even decades after its discovery, the number of known facetable crystals remains exceptionally low. This is not due to demand, but because the conditions needed to create Musgravite in nature are exceedingly rare. The gem is composed of beryllium, magnesium, aluminum, and oxygen, forming a unique oxide that belongs to the same mineral group as Taaffeite but stands apart with its distinctive crystal chemistry. This 4.38 carat example is a true outlier. It features an emerald cut, designed to highlight its transparent structure and smooth saturation. The bodycolor is a refined grayish violet that reads cool and composed under various lighting conditions. Most Musgravites are heavily included or too dark to display proper brilliance, but this gem is eye clean and possesses a healthy tone that allows light to pass through with balance and depth. In the world of ultra-rare stones, where visual appeal often takes a back seat to rarity alone, this stone manages to achieve both. Whether for a collector seeking one of the rarest known gemstones or a designer searching for a centerpiece that will never be replicated, this Musgravite offers a once-in-a-generation opportunity. Its rarity is not just a function of mining output but of nature’s limitations. Musgravite is not found in large pockets or commercial deposits. It appears sporadically in isolated pegmatites and marble-related formations across Sri Lanka, Greenland, Madagascar, and a handful of other locations. To find one with this combination of size, clarity, and color is to witness something that straddles the line between mineralogical mystery and fine gem beauty.