10.31 Ct. Bluish Green Prasiolite from Brazil

There are gemstones that tell a story of the earth and time, and then there are rare examples that carry the added resonance of human hands shaping nature into a form both functional and sublime, and this bluish green prasiolite is such a stone. Sourced from Brazil, a region long celebrated for its rich and varied mineral deposits, this transparent prasiolite weighs 10.31 carat and measures 14.02 x 12.62 x 9.55 mm, a size that commands attention while remaining elegant and wearable. Prasiolite itself has roots that reach into classical mineralogy and modern gemology, a variety of quartz that enchants with its subtle green hues and cool undertones, and when carefully selected and meticulously cut it becomes a jewel that bridges past and present. The Natural Gemstone Company presents this gem as a continuation of a tradition in which thoughtful sourcing and careful cutting honor the intrinsic beauty of the stone, and collectors who appreciate lineage and provenance will find this piece especially compelling. The medium color intensity of this prasiolite allows its tone to read as verdant without overpowering the clarity and internal structure, and its transparency invites light to move through and be reflected back in a manner that feels timeless and refined.

At the heart of the gem is its classic emerald cut, a shape favored for centuries for its dignified geometry and capacity to reveal the inner life of a stone, and this prasiolite has been faceted to exacting standards to accentuate those qualities. The faceted cutting style emphasizes a series of step facets that create broad planes and crisp edges, producing a controlled interplay of light and shadow that celebrates disciplined beauty rather than frivolous sparkle. The geometric faceting has been executed with an eye toward precision, allowing for maximum light play across the pavilion and crown, and the result is a luminous architecture of reflections that seem to move with the wearer. Evaluated at eye level, the clarity grade is very very slightly included, which means that the stone retains an open, clean appearance while showing the natural character that authentic gemstones carry, and the excellent polish ensures that each facet catches and returns light with clarity and depth. Such optical performance is a hallmark of skilled lapidary work and speaks to an aesthetic that values proportion, symmetry, and enduring appeal.

This prasiolite has been gently heat treated, a widely accepted enhancement that stabilizes and enhances the stone’s color in a manner consistent with best practices in the trade, and this treatment is disclosed to maintain transparency and trust. The heat treatment enriches the bluish green tone while preserving the stone’s natural personality, and it complements the gem’s origin in Brazil where experienced cutters and gem traders have long refined their craft. For those who cherish legacy and heirloom quality, this gem is ready to be set into a ring, pendant, or bespoke creation that will carry forward its story for generations, and the scale of 10.31 carat paired with the elegant dimensions makes it a versatile center stone for both contemporary and classic settings. The Natural Gemstone Company offers this prasiolite as part of a carefully curated collection that honors both geology and craftsmanship, and we stand by the quality, provenance, and detailed description of each gem we present. Whether sought for its historical resonance, its geometric brilliance, or its potential to become a treasured family heirloom, this emerald cut bluish green prasiolite is a stone that rewards appreciation and careful curation, a reminder that some treasures are defined as much by their past as by the luminous futures they promise.