1.18 Ct. Greenish Blue Sapphire from Madagascar

This 1.18 carat greenish blue sapphire from Madagascar presents a deliberate balance of cutting, clarity, and natural color that will appeal to technically minded collectors and designers. The stone measures 6.10 x 4.66 x 4.05 mm, and its emerald cut is executed with classical step cut geometry, featuring a large rectangular table, well proportioned crown and pavilion steps, and neatly truncated corners that reduce susceptibility to chipping. The faceting plan favors broad, parallel facets on the crown and pavilion, which emphasize even color distribution and provide a controlled interplay of light and dark planes rather than the brilliant scintillation associated with mixed cuts. Clarity is graded as slightly included at eye level, with internal features that do not interrupt the stone s overall transparency or its ability to display intense saturation. The polish is excellent, with crisp facet junctions and smooth facet planes that maximize surface luster and permit precise assessment of tone and saturation under both natural and controlled lighting. No enhancement has been applied, and the natural, untreated state of the material preserves the original crystal structure, optical properties, and long term stability of color, a factor of particular importance for technical buyers and conservators.

Rarity is expressed in both size and color when this piece is compared to the broader market of blue and greenish blue sapphires. Green blue sapphires with an intense color intensity, transparent body, and no enhancement are uncommon, and when combined with a near 1.20 carat weight in an emerald cut, the result becomes materially rarer. Many examples of similar hue are either smaller, included to a degree that compromises transparency, or require heat treatment to achieve a stable, vivid tone. The emerald cut itself is less frequently encountered for sapphires than for other shapes, because the step cut demands a clean, tabular crystal to preserve both optical performance and yield. This particular specimen demonstrates a proportion set that retains saturation without collapsing to an overly dark tone, a balance achieved only when cutter and rough are well matched. The Madagascar origin further contributes to its collectability, as the island has produced a select group of greenish blue material that exhibits a distinctive balance of blue depth and green undertone, a palette that is appreciated by connoisseurs for its subtlety and complexity. For the collector assessing rarity objectively, this stone represents a convergence of scarce attributes, namely untreated intense color, transparent body, and an uncommon faceting choice at a near 1.2 carat scale.

A gemstone with these technical attributes is ideally suited to become a generational heirloom, provided attention is paid to setting, documentation, and routine conservation. Corundum s inherent hardness confers excellent resistance to abrasion and surface wear, so the material itself is capable of preserving polish and facet integrity for decades and generations, provided the mounting protects vulnerable edges and corners. The emerald cut s truncated corners and stepped pavilion offer advantages for secure bezel or prong settings that minimize exposure while allowing the table to remain visible, a configuration that both protects the stone and showcases its optical character. Because this sapphire is untreated, its documented provenance and gemological grading will be durable components of provenance, enabling clear transmission of value across generations. Minor inclusions serve as a fingerprint under magnification, assisting future appraisers in verifying continuity with original records, and the excellent polish ensures the stone can be reconditioned by a skilled lapidary if mounting wear arises. The Natural Sapphire Company will provide the necessary certification, high resolution imaging, and treatment disclosure, which together form a provenance packet to be preserved with the jewelry. With appropriate custodial practices, occasional professional inspection of the setting, and avoidance of harsh chemicals, this untreated, intensely colored Madagascar sapphire will retain both its aesthetic appeal and market significance as an heirloom quality gem.