2.63 Ct. Bi Color / Parti Sapphire from Tanzania

This is a stunning, transparent 2.63 carat cushion shape bi color parti sapphire, presented by The Natural Sapphire Company, a gem that combines rare color complexity with excellent cutting and finish. The stone measures 8.00 by 6.49 by 5.32 mm, and it has a faceted cutting style with a mixed brilliant cut that enhances both fire and overall brilliance. Clarity is graded slightly included as evaluated at eye level, a natural characteristic that confirms this is a natural gem and that it retains excellent transparency. Color intensity is described as intense, and the polish is excellent, creating bright and lively reflections from the table and crown facets. Importantly, this sapphire has no enhancement, and its natural origin is Tanzania, a source known for producing parti and bi color sapphires with attractive and unusual color combinations. Every specification is presented to ensure confidence in quality, and the combination of weight, shape, cut, and origin makes this a truly special gem for collectors and for bespoke jewelry projects.

Visually this sapphire offers a beautiful interplay of color bands and zones that read as both subtle and dramatic depending on light and angle. The parti character presents two or more colors within a single crystal, and in this example the transitions are pleasingly soft at the edges with richer saturation near the center. The mixed brilliant cut allows small facet planes on the crown and pavilion to return lively scintillation, while the cushion outline gives a slightly rounded rectangle silhouette that flatters both contemporary and vintage inspired settings. Because the gem is transparent, light travels through the stone and reveals depth of color, and the intense color intensity ensures the hues are memorable in both daylight and artificial light. Slight inclusions are visible at eye level only on close inspection, they do not detract from the gem when set into jewelry, and they in fact help to confirm the stone is natural and untreated. This sapphire will be striking as the focal point of a ring, pendant, or a bespoke pair of earrings, and the classic cushion shape adapts well to halo, bezel, and solitaire designs.

From a collector and investment perspective, a 2.63 carat bi color parti sapphire of Tanzanian origin with no enhancement is rare and desirable. Heat treatment is common in the trade, and the fact that this stone is untreated increases its collectability and long term appeal. Tanzania has produced some of the most interesting parti and bi color sapphires in recent years, and this example demonstrates the country s ability to yield gems with both saturation and interesting color distribution. The slightly included clarity grade should be understood as natural character rather than a defect, and the excellent polish indicates careful lapidary work that maximizes light return. For setting recommendations, this gem pairs beautifully with warm yellow gold to emphasize green and yellow tones, with rose gold to soften the palette, and with white gold or platinum to highlight cooler blue green hues. Care is simple, avoid harsh chemicals and ultrasonic cleaners if inclusions are a concern, and store the gem separately to prevent scratches to the polished surfaces. Regular gentle cleaning with a soft brush soap and warm water will preserve the stones brightness.

At The Natural Sapphire Company we are here to help you realize a design that showcases this unique sapphire to best effect, and our team can assist with custom mounting options, metal choices, and secure presentation. We can provide detailed images, videos, and a full description of the gem s characteristics to help you visualize your finished piece before production begins. If you are interested in a certificate or independent appraisal, we can arrange laboratory testing and documentation to confirm the stone s natural origin, weight, dimensions, cut, clarity, and the absence of treatment. Given the gem s 8.00 by 6.49 by 5.32 mm dimensions and 2.63 carat weight, it will work well for a wide range of ring sizes and pendant bails, and our design consultants will recommend proportions and settings that protect the stone while allowing maximum light performance. Contact us at The Natural Sapphire Company to request additional photos, to discuss bespoke setting ideas, or to arrange a private viewing. We look forward to helping you bring this rare Tanzanian bi color parti sapphire into your jewelry collection.