0.90 Ct. Bluish Green Sapphire from Madagascar

This sapphire presents as a transparent round bluish green gem weighing 0.90 carat, with precise measurements of 5.89 by 5.87 by 3.31 millimeters, a mixed brilliant cut, and an intense color intensity, with a clarity grade of slightly included when evaluated at eye level, an excellent polish, no enhancement, and an origin of Madagascar. The combination of a near one carat weight and nearly ideal round proportions makes this stone versatile for many types of fine jewelry, while the mixed brilliant cut maximizes sparkle and color dispersion by pairing a brilliant style crown with pavilion facet architecture designed to balance light return and color depth. The intense bluish green hue is lively and well saturated, providing a distinct and sophisticated palette that sits between classic blue and the greener spectrum of sapphire colors, a tone that appeals to buyers seeking something unique yet unmistakably natural. No enhancement means this sapphire has not been heat treated or otherwise altered to improve color or clarity, a factor that materially affects both desirability and long term value, and that underscores the gem as a genuinely natural material, suitable for collectors and connoisseurs who prioritize authenticity.

From a gemological perspective the clarity grade of slightly included at eye level indicates that inclusions are present but not dominant, they are typical of natural sapphires and can often enhance confidence in origin and natural formation, inclusions that are modest and well situated rarely interfere with the overall eye appeal, particularly in a stone of this strong color and well executed cut. The mixed brilliant cut is chosen deliberately to marry scintillation and depth, the crown facets act to create lively brilliance on movement, while the pavilion and lower facets shape light return to intensify the color without causing dead areas, excellent polish ensures facet junctions are crisp and free of surface disturbance, factors that together determine the immediacy of a gem when set in jewelry. At 0.90 carat and with the given proportions, this sapphire will sit with a pleasing presence in a ring head or pendant, offering an elegant scale for everyday wear or a more formal piece, the dimensions and cut yield a face up size that looks proportional to the weight, and the stone’s optical performance benefits from the skillful cutting and finishing.

Origin and treatment status are critical to educated buyers, Madagascar has emerged over recent decades as a significant source of gem quality sapphires, producing stones with vibrant color and attractive clarity, geological conditions in Madagascar favor crystals that form with appealing saturated hues, particularly in the greenish blue range, provenance from Madagascar is well regarded in the trade, and when combined with the important distinction of no enhancement, the sapphire becomes materially more scarce than comparable heat treated material. Untreated sapphires are sought by collectors and investors because they represent a more limited subset of supply, treatment free material carries a premium because it is unchanged from its geological state, and its natural inclusions and internal characteristics serve as fingerprints of authenticity and origin. For a buyer focused on long term value, the balance of intense color, natural state, and excellent polish in this 0.90 carat stone offers both aesthetic pleasure and the sort of verifiable attributes that support future appraisal and resale, especially if accompanied by reliable documentation that records weight, measurements, treatment status, and origin.

As a potential generational heirloom this sapphire has many of the attributes sought in pieces that are intended to be preserved and passed down, sapphire’s durability at nine on the Mohs hardness scale makes it resistant to everyday abrasion and wear, while a considered mounting and routine care will ensure the stone’s condition is maintained for decades or centuries. Practical measures include selecting protective settings for high wear applications, such as a bezel or low profile prong design for rings, using secure mounting methods and quality metals that match the intended use, providing professional cleaning and inspection at recommended intervals, and retaining documentation from reputable sources. The Natural Sapphire Company provides thorough documentation and provenance records which should be kept with the jewelry, proper certification and an up to date valuation help to preserve monetary value and provenance, and a well made setting with classic design choices will both protect the gem and keep the piece stylistically relevant for multiple generations. When a gemstone is untreated, well cut, and of a distinct and stable color like this bluish green sapphire from Madagascar, it has the enduring qualities of beauty, authenticity, and durability that allow it to be cherished not only as jewelry, but as a meaningful family legacy.