11.58 Ct. Orange Citrine from Brazil

This 11.58 carat orange citrine from Brazil exhibits a transparency and structural precision that produce a sparkle markedly different from most quartz gems. Cut in a classic emerald cut, the stone features broad step facets on the crown and pavilion that act together to create the hall of mirrors effect characteristic of fine step cutting, resulting in broad, mirror like flashes rather than pinpoint scintillation. The faceted cutting style emphasizes rectangular concentric facets around a generous table, guiding light in parallel planes so color saturation and internal reflections are preserved across the plane of the gem. Measured at 13.79 by 11.67 by 10.36 mm, the proportions have been executed to balance pavilion depth with table width, optimizing internal reflection in a species that has a refractive index in the range of 1.544 to 1.553, low dispersion near 0.013, and slight birefringence around 0.009. Because citrine has modest dispersion, the primary contributor to perceived sparkle is facet geometry and surface finish, and this specimen benefits from an excellent polish that produces crisp facet junctions and minimal light leakage.

Clarity graded very very slightly included at eye level, the stone presents minor inclusions that are small and strategically positioned so they do not interrupt the principal light paths. This high clarity grade allows the orange hue to read with intense color intensity across the table and steps, producing expansive flashes of warm yellow orange that shift subtly with movement. Absence of enhancement confirms the color is wholly natural, a desirable attribute for connoisseurs who prioritize origin and treatment history, and the Brazilian provenance is consistent with well formed, clean citrine crystals. The cutting technique employed preserves the gem body color while the step cut architecture amplifies internal contrast, giving the impression of depth and brightness without introducing excessive dispersion noise.

Presented by The Natural Gemstone Company, this citrine is a study in how structure, proportion, and finish combine to yield exceptional light performance in a low dispersion material. Collectors and jewelry designers seeking a gem that provides bold color, broad reflective surfaces, and refined internal play will find this stone technically compelling and visually striking. For further technical measurements, facet diagrams, or to discuss mounting options that preserve the step cut geometry and light return, please contact The Natural Gemstone Company.