exquisite close-up of a radiant square-cut aquamarine gemstone with delicate facets

gemstone aquamarine squarecut closeup crystal facet precious jewel mineral clarity sparkle shine blue elegance refined luxury magnified gemologist transparent polished intricate detail gem isolated macro light brilliance corner reflection shape jewelry sharp fine stone beauty raw colorless highquality ornamental collectible investment aesthetics nature quartz accessory fashion art luminous pristine cut ai generated