1.66 Ct. Bluish Green Sapphire from Madagascar

One beautifully transparent 1.66 carat emerald cut bluish green sapphire, coming from Madagascar, stands as an exceptional example of gemological quality and aesthetic appeal, offered by The Natural Sapphire Company. The stone measures 7.15 by 5.68 by 4.07 millimeters, and it has been expertly faceted in an emerald cut to balance both brilliance and color presentation. The gem is transparent with an intense color intensity that shows a pleasing blend of blue and green, and it is graded as eye clean, meaning that no inclusions are visible to the unaided eye when examined under normal viewing conditions. The polish has been evaluated as excellent, giving crisp facet junctions and lively light return, and the stone has undergone a standard heat treatment enhancement to stabilize and intensify its natural color, a widely accepted practice in the trade that improves durability and visual appeal without compromising value when disclosed.

The color characteristics of this Madagascar sapphire are among its most compelling attributes for an educated buyer, the bluish green tone sits in a refined area of the color spectrum that offers both versatility and distinctiveness, the intensity is strong enough to read vividly in a variety of settings while retaining depth and complexity. Madagascar as an origin contributes meaningful provenance, this island has become known over the past decades for producing sapphires with attractive color ranges and good crystal quality, and buyers who value documented origin will appreciate the traceability associated with stones responsibly sourced from Madagascar, heat treatment in sapphires is common and accepted when disclosed, it is a durable, stable enhancement that clarifies color zoning and optimizes hue without introducing instability or significant risks to the gem during normal wear.

The emerald cut and faceted cutting style are particularly well chosen for this stone, the long, rectilinear lines of the emerald cut emphasize the gem s clarity and color uniformity, and they create a sophisticated, architectural look that appeals to collectors and designers alike. Because the sapphire is eye clean, the broad facets of the emerald cut display an even color field with subtle internal flashes, rather than masking or breaking up the color with visible inclusions, the excellent polish enhances crispness of facet edges and contributes to a refined appearance both in loose form and when set. The proportions, with a length of 7.15 millimeters and a depth of 4.07 millimeters, allow for confident mounting in bezel or prong settings while preserving the stone s presence on the finger or in a pendant, the combination of a precise emerald cut and meticulous finishing work is a feature that discriminating buyers often seek for high end pieces.

From an investment and collection standpoint, this sapphire offers attributes that informed buyers recognize as valuable, the combination of intense yet balanced bluish green color, eye clean clarity, precise emerald cut, and Madagascar origin places the stone in a premium tier for colored sapphires of its size. Sapphires score a nine on the Mohs hardness scale, which supports longevity and wearable practicality for everyday jewelry, this physical resilience combined with enduring collector interest in natural colored stones contributes to both desirability and long term value retention. Additionally, the disclosed heat treatment aligns with established market standards, providing visual enhancement while preserving natural origin and crystal integrity, collectors who prioritize ethical sourcing and transparent treatment histories will find this stone attractive for inclusion in a curated collection, designers will value its color versatility when paired with a range of metals from warm yellow gold to modern rose gold and classic platinum.

At The Natural Sapphire Company we pride ourselves on detailed gemological reporting and transparent provenance, each sapphire we present is evaluated by experienced gemologists and offered with clear disclosure of any enhancements, the Madagascar origin and heat treatment for this emerald cut bluish green sapphire are fully documented to support informed purchasing decisions. We also provide guidance on custom mounting options, independent certification when requested, and secure appraisal documentation for insurance purposes, our clients value the additional services that accompany the gem, such as bespoke setting recommendations and long term care advice to maintain the stone s polish and color. For the collector or connoisseur seeking a refined, durable, and characterful sapphire that communicates both rarity and practical elegance, this 1.66 carat emerald cut bluish green sapphire from Madagascar represents an excellent addition to a high end gemstone collection.