2.54 Ct. Greenish Blue Sapphire from Madagascar

This transparent 2.54 carat asscher cut greenish blue sapphire from Madagascar is a compelling example of balanced gemological quality and aesthetic refinement, brought to you by The Natural Sapphire Company. The stone measures 7.72 by 7.49 by 4.55 mm, an octagonal asscher presentation that emphasizes symmetry and table presence. The asscher cut, historically associated with step faceting and an elegant hall of mirrors effect, has been executed here with precise proportions and an excellent polish, resulting in crisp facet junctions and minimal light leakage. The color is described as greenish blue with vivid intensity, which means the hue and saturation are strong and evenly distributed across the stone rather than appearing washed out or spotty. The clarity grade is eye clean when evaluated at normal viewing distance, a point of practical importance because the asscher cut exposes broad, open facets that would reveal internal features more readily than brilliant cuts. This combination of color, cleanliness, cut quality, and stable heat enhancement creates an immediately wearable and visually arresting gem, suited to a centerpiece setting or a finely crafted bespoke design.

From a gemological standpoint the optical properties that define sapphire brilliance contrast with those of more commonly referenced gems such as diamond and aquamarine, and this sapphire benefits from those differences in distinct ways. Sapphire has a refractive index of approximately 1.76 to 1.77 which translates into a lustrous, satiny brilliance rather than the highly scintillating fire associated with diamond, which has a refractive index near 2.42 and significantly greater dispersion. Diamonds scatter light into vivid spectral flashes, while sapphires present broader flashes of light and depth of tone that enhance their color. The dispersion value for sapphire is low relative to diamond, so fire is subtle, but the asscher cut amplifies what is most desirable in a colored gemstone, namely color saturation and internal light reflections that create a layered, three dimensional appearance. Compared to aquamarine and many green tourmalines which often exhibit paler, pastel tones, this Madagascar sapphire displays vivid saturation that reads as richer in most lighting conditions. Compared to emerald, which often carries inclusions and requires different cutting strategies to maximize color while retaining weight, this sapphire is eye clean and therefore particularly well suited to the open faceting style of the asscher design, offering clean flashes and a striking color field without the visual distractions that inclusions can introduce.

Treatment and origin are central to an informed purchase decision, and The Natural Sapphire Company provides transparent information in this regard. This sapphire has been heat treated, a standard and widely accepted practice in the trade that enhances uniformity of color and reduces certain types of inclusions without compromising the structural integrity of the corundum. Heat treatment is stable and permanent when properly executed, and it is disclosed here for full clarity. The Madagascan origin contributes to this gem's narrative and market desirability, as Madagascar has become a significant source of vivid blue and greenish blue sapphires in recent decades, particularly from regions known for producing material with attractive hues and good crystallinity. Buyers who value provenance will appreciate that Malagasy sapphires frequently exhibit unique, slightly greener tones within the blue spectrum that respond beautifully to precise cutting. For the educated buyer, this means an opportunity to own a stone that combines geological interest with gemological quality, particularly at this 2.54 carat weight where such color and eye clean clarity in an asscher cut are less commonly encountered.

When assessing value it is important to consider both aesthetic and technical factors, and this stone scores well on both counts. The asscher cut here was selected to highlight the greenish blue hue and to provide an elegant, architectural silhouette that differs from more ubiquitous round or cushion styles. The broad step facets create a mirror like interplay of light and dark planes that emphasizes color saturation and body tone, rather than relying on dispersion or scintillation alone. For a consumer comparing this sapphire to a similarly sized diamond, the visual effect is different rather than lesser, with sapphire offering a sense of chromatic depth and a rarity of color bouquet that diamonds cannot match. Durability is also a significant advantage, since corundum rates 9 on the Mohs scale, making it suitable for everyday wear if set securely. The combination of vivid color, eye clean clarity, exacting asscher faceting, excellent polish, and Madagascan origin make this 2.54 carat gem a compelling choice for collectors and clients seeking a sophisticated colored stone with excellent practical qualities. The Natural Sapphire Company can provide certification and further provenance documentation upon request, and our gem specialists are available to advise on settings that will best showcase the unique optical strengths of this greenish blue asscher sapphire.