6.11 Ct. Tourmaline from Mozambique

This transparent 6.11 carat princess shape green tourmaline measures 10.09 x 9.78 x 7.09 mm, presented by The Natural Gemstone Company. The stone has been expertly faceted into a mixed brilliant cut, combining the sparkle of brilliant facets with controlled pavilion geometry to emphasize color and light return. At eye level the gem is graded eye clean, which indicates no inclusions visible without magnification, and it displays vivid color intensity with an excellent polish that produces crisp facet junctions and mirror like surfaces. The tourmaline originates from Mozambique, a source known for producing richly colored green and paraiba type tourmalines, and the piece has been heat treated to enhance and stabilize its green hue, a common and widely accepted enhancement in the trade that is stable under normal wear.

The princess shape and mixed brilliant faceting are central to the gem s optical performance. The square pavilion and stepped crown planes have been balanced to create multiple internal reflection pathways, maximizing light return to the viewer and producing a lively combination of brilliance and scintillation. The geometric faceting pattern, with its precise facet angles and symmetry, controls light leakage and encourages selective reflection of the stone s saturated green tones, while still allowing flashes of lighter green and subtle yellow green highlights to appear as the gem moves. This controlled interplay is particularly useful in tourmaline, a pleochroic mineral, because careful orientation and facet design can reveal the most desirable color axis, yielding consistent saturation and dynamic visual depth. The excellent polish amplifies contrast between bright facet faces and darker internal areas, which enhances perceived clarity and the sensation of a three dimensional window into the gem.

For an educated buyer this specimen represents several important attributes in one compact package. Size wise, a 6.11 carat green tourmaline in an eye clean state is uncommon, and the vivid color intensity combined with a precise princess mixed brilliant cut makes it desirable for both collectors and high end jewelry designers. The Mozambique origin is notable because origin can influence color character and market perception, and the disclosed heat treatment follows industry norms and does not compromise stability for typical wear and cleaning. Practical considerations include the gem s hardness and durability, tourmaline typically offering good everyday wearability when set securely, and the recommendation to avoid extreme temperature shocks and harsh chemical cleaners. We recommend professional setting and occasional inspection of prongs or bezels to protect corners typical of princess cuts. The Natural Gemstone Company stands behind the gem s provenance and grading, and we encourage buyers seeking further assurance to request independent gemmological documentation or to contact us for additional photographs, facet diagrams, or mounting suggestions to ensure the stone meets their exact specifications.