1.64 Ct. Bluish Green Sapphire from Montana

This is a beautiful transparent 1.64 carat cushion shape bluish green sapphire that measures 7.31 x 6.01 x 4.30 mm, and it is cut with a mixed brilliant facet arrangement that balances lively scintillation with broad, luminous face up presence. The clarity grade is slightly included, evaluated at eye level, which means that under normal viewing conditions the inclusions are minimal and do not distract from the gem's appeal, and this level of clarity often reassures educated buyers because the features confirm natural formation. The color intensity is light, which is characteristic of many Montana sapphires and results in a delicate bluish green appearance that changes subtly with light and viewing angle, offering a refined and wearable tone. The polish on this example is excellent, enhancing light return and facet definition, and most importantly this sapphire is natural and untreated, there are no enhancements, a factor that significantly affects desirability and market value for collectors and connoisseurs. Origin is Montana, and the piece shows the regional hallmarks of that source, including gentle pastel saturation and crystalline transparency, while the corundum hardness of nine makes it an excellent choice for daily wear in rings, bracelets, and pendants.

From a gemological and investment perspective, several attributes make this sapphire notable to an educated buyer, starting with its untreated status and clear provenance from Montana. Natural, unenhanced sapphires are increasingly sought after because treatments such as heat or filling alter both value and enduring rarity, and a certificate that documents no enhancement adds confidence for resale or inheritance. The light bluish green color is less common than standard blue, and collectors prize the unique palettes that Montana produces, which range from icy blue to teal and greenish blue, depending on trace elements and crystal chemistry. The mixed brilliant cut is an intelligent choice for a cushion shape because it combines the modern scintillation of round brilliants with the softer outline of a cushion, thereby maximizing both sparkle and wearable face up size. Slight inclusions are often viewed positively in the context of untreated stones, because they signal natural origin and prevent an over polished, artificial look, while the excellent polish and precise facet junctions ensure that light is handled efficiently despite the lighter color intensity. At 1.64 carats this sapphire occupies a sweet spot where presence meets affordability, and for collectors who favor documented origin and no enhancement, it represents a durable and attractive holding.

When designing a custom piece to showcase this sapphire, consider pairings and settings that enhance its bluish green nuance and its cushion silhouette. For a classic and luminous presentation, a halo of near colorless brilliant cut diamonds will amplify brightness and perceived size, and a platinum or white gold mount will emphasize the cool bluish aspects for a contemporary look. If warmth is preferred, rose gold will introduce a complementary contrast that makes the green notes pop, while yellow gold will bring out subtle green undertones and create a vintage inspired aesthetic. Side stones can be selected to tailor the mood, with tapered baguette diamonds lending an elegant art deco feel, with small pink sapphires as accent stones producing a romantic and modern palette that highlights blue and green facets. For a richly verdant combination, consider pairing the center with small tsavorite garnets or demantoid accents, which will intensify green tones and create depth, and for a softer coastal scheme pale aquamarines will harmonize with the light intensity for a serene ensemble. In terms of setting style, a four or six prong gallery will maximize light through the pavilion and display the mixed brilliant scintillation, while a low profile bezel will protect the girdle and appeal to an active wearer, and a halo with micro pave on a split shank will increase visual impact without overwhelming the cushion center.

The Natural Sapphire Company is pleased to present this Montana sapphire, and we recommend viewing high resolution images and a full report so you can assess the inclusions and hue under different lighting conditions. For a custom commission our design team can propose sketches and metal finishes tailored to your preferences, and we can suggest exact proportions and accent stones to achieve a desired visual effect and balance. This sapphire is an excellent candidate for an heirloom engagement ring, a special anniversary gift, or a distinctive pendant, offering a combination of untreated provenance, pleasing size, and refined cut that educated buyers appreciate. Contact The Natural Sapphire Company to review options and to receive a certificate and personalized recommendations for mounting and complementary gemstones.