6.88 Ct. Bi Color Ametrine from Brazil

This listing describes one transparent bi color ametrine weighing 6.88 carats, with dimensions 12.61 by 9.15 by 7.62 millimeters, presented in an emerald cut and faceted cutting style. The stone displays a clear division of warm golden yellow and cool violet tones, with intense color intensity and an overall transparent body. Clarity is graded as very very slightly included when evaluated at eye level, indicating minimal inclusions that do not detract from visual appeal or light performance. The pavilion and crown facets are precise, the polish is excellent, and the overall finish reflects careful lapidary work. The gem has been heat treated as an enhancement to stabilize and bring out color, and its documented origin is Brazil. The Natural Gemstone Company provides this specimen with an emphasis on accurate, verifiable details, and with full disclosure of enhancement and origin.

The emerald cut was chosen to maximize the linear contrast between the amethyst and citrine zones inherent to ametrine, and to deliver strong step facets that emphasize clarity and color zoning rather than a scintillating briolette effect. With its rectangular outline and truncated corners, the cut offers a balanced table plane that presents the bi color transition evenly across the face, while the faceted pavilion yields controlled light return and a sophisticated optical depth. The dimensions make this gem suitable for a range of custom settings, including a classic solitaire ring, an elegant pendant, or a bespoke statement piece. Given the very very slightly included clarity grade and the excellent polish, the stone will sit securely in bezel, prong, or channel mountings that preserve the sharp facet junctions and protect the pavilion edges.

Ametrine combines the mineralogical characteristics of amethyst and citrine within a single crystal, a natural phenomenon that has been prized in jewelry traditions for centuries. Historically, gemstones showing dual or contrasting hues have been incorporated into signet rings, amulets, and ceremonial ornaments, valued both for their visual distinction and for symbolic meanings ascribed by different cultures. Amethyst has been widely used in classical and medieval jewelry for its rich violet tone, and citrine has been favored for its warm golden hues. Together in ametrine, these qualities have long appealed to artisans who favor stones that offer both visual contrast and harmonious color balance. The provenance from Brazil places this specimen within a modern context of South American gem production, where skilled cutters and lapidaries continue to refine stones for contemporary design while drawing on a heritage of regional gem trading and lapidary craft.

For reference and comparison, the Fire Opal is a distinctly different class of gem, noted for vivid body colors ranging from bright orange to deep red, and in some examples, for a play of color when classified as precious opal. Fire Opal is typically softer than ametrine in terms of hardness on the Mohs scale, and its care requirements differ accordingly. Where ametrine, particularly when heat treated, is relatively durable and suitable for daily wear in protective settings, Fire Opal may require more guarded handling and preferential use in pendants and earrings rather than rings subject to impact. At The Natural Gemstone Company we provide clear distinctions between gem types, their treatments, hardness, and recommended care, and we can supply certificates and additional imagery on request to support design planning. For further information regarding mounting options, certification, or to request specific angles and magnifications of this ametrine, please contact our team and we will supply measured documentation and professional guidance.