1.68 Ct. Blue Sapphire from Ceylon (Sri Lanka)

This 1.68 carat cushion shaped blue sapphire from Ceylon presents a rare combination of size, color, and clarity that will appeal to informed buyers, the dimensions measure 7.47 x 6.04 x 3.98 mm, the gem is transparent and certified, the cut is a mixed brilliant that balances pavilion facet complexity with a generous table, the result is an appealing interplay between broad flashes of color and lively scintillation, the clarity grade is slightly included when evaluated at eye level which means that under normal viewing the stone reads clean and the inclusions do not detract from the overall visual presence, the color intensity is classified as intense which places this sapphire in the desirable range for collectors seeking vivid Ceylon blue, enhancement testing indicates no heat treatment or other enhancements, the excellent polish enhances surface reflectivity and confirms that the cutter prioritized light return and finish, for buyers who value verified natural material the untreated origin and laboratory certification add meaningful provenance and resale confidence, The Natural Sapphire Company stands behind the stone with transparent documentation and a sourcing history that traces the piece to Sri Lanka.

In terms of gemstone grading and optical performance this sapphire demonstrates attributes that are important to an educated buyer, corundum has an inherently high refractive index and a vitreous to adamantine luster which gives sapphires greater brilliance than many other blue colored gemstones, the mixed brilliant pavilion increases internal reflection and produces a combination of bright pinpoint flashes and broader table brightness that is especially flattering in a cushion outline, the excellent polish maximizes surface reflectivity which helps the intense blue read boldly even under varied lighting, the slight inclusions typical of slightly included clarity grade are often crystal features or silk that in Ceylon material can act as light diffusers creating a desirable depth or velvety texture rather than detracting from performance, compared to Burmese sapphires which often show a deeper royal blue and sometimes a richer saturation, this Ceylon example leans towards a lively and luminous cornflower to intense blue that conveys sparkle and brilliance under daylight and artificial light alike, compared to Kashmir sapphires which are prized for a soft velvety appearance and rarer instances of saturated tone, the Ceylon stone presented here offers more brightness and quicker light return which appeals to buyers who prioritize scintillation and a vivid face up color, relative to sapphires from Madagascar which can vary widely in tone and saturation, Sri Lankan sapphires are celebrated for consistent brilliance and clean, pure blue hues, in comparison to other blue gemstones such as spinel and tanzanite, this sapphire will consistently outperform them in hardness and long term durability being a nine on the Mohs scale, while spinel can offer excellent brilliance with a lower refractive index, and tanzanite exhibits strong pleochroism but lower toughness, the corundum chemistry of this sapphire ensures both enduring wearability and reliable light performance.

When considering value and suitability for fine jewelry an untreated, well cut Ceylon sapphire of this size is particularly compelling, the absence of enhancement materially increases long term desirability among collectors and investors who prefer natural state material, the mixed brilliant cushion shape is versatile for bespoke ring designs where the facet arrangement will generate lively faceted reflections in movement, the excellent polish reduces the likelihood of early surface wear and enhances immediate visual impact upon viewing, slightly included clarity at eye level offers a pragmatic balance between purity and price, for an educated buyer this means acquiring a stone with evident natural character and strong color intensity without the premium of absolute eye clean material, provenance from Sri Lanka combined with certification from respected laboratories strengthens marketability and helps maintain value over time, The Natural Sapphire Company provides the documentation and customer service needed for confident purchase, we can advise on mounting styles that preserve the stone margin and maximize table exposure to light, we can also recommend protective settings for daily wear and assurance about appraisal and insurance needs.

In summary this 1.68 carat Ceylon cushion sapphire is a well proportioned, intensely colored, untreated natural stone, the mixed brilliant cut and excellent polish deliver superior light return and lively scintillation when compared to many other examples in the same size range, the slightly included clarity preserves attractive value while maintaining a nearly eye clean presentation, its origin and certification add a layer of provenance that appeals to discerning collectors, for buyers who seek a balance of beauty, durability, and verifiable natural origin this sapphire represents a sophisticated and practical choice, The Natural Sapphire Company is available to provide full gemological documentation, expert mounting recommendations, and secure purchasing options.