Three Stone Bluish Green Sapphire Ring 4.33 Ct., Platinum 950

This ring centers on a beautifully transparent 4.33 carat cushion shape bluish green sapphire, measuring 11.39 by 8.04 by 4.65 millimeters, offering an immediate presence on the finger. The sapphire originates from Montana, a source known for producing stones with distinctive and sought after hues that sit between classic blue and verdant green, and in this example the color shows intense saturation that reads consistently across multiple lighting conditions. The gem has been fashioned in a mixed brilliant cut, and it displays excellent polish and a clarity grade of very slightly included when evaluated at eye level, meaning the stone is visually clean to most observers while retaining natural internal characteristics that confirm its natural origin. The cushion outline provides soft, elegant corners and a broad table that allows the color to be appreciated, while the substantial carat weight and measured proportions create a strong visual depth that is both wearable and exhibition quality.

The mixed brilliant cut has been selected and executed to maximize light performance, combining the scintillation of brilliant facets with the depth and color concentration often associated with more classical pavilion geometries. On this sapphire the crown facets are arranged to break incoming light into lively flashes, while the pavilion geometry is tuned to return light through the table and crown in a way that enhances both brilliance and color intensity. The proportions, including the 4.65 millimeter depth, are balanced to avoid a windowing effect and to ensure that the intense bluish green saturation is visible from face up angles without sacrificing fire or sparkle. Excellent polish minimizes surface diffusion of light, and precise facet junctions reduce light leakage, so the result is a gemstone that shows dynamic sparkle as the hand moves, with flashes that emphasize the saturation and the natural character of the Montana origin.

Flanking the center sapphire are white cushion shaped natural diamonds with a total approximate weight of 0.96 carats, graded Very Slightly Included with designations of VS1 and VS2, and a color grade of F. Additional white round shaped natural diamonds totaling approximately 0.364 carats, graded VS and F to G in color, are set along the ring shoulders. These white, high color grade diamonds provide a crisp contrast that brightens the perceived color of the center stone and increases overall brilliance. The cushion side stones match the silhouette of the center sapphire and create a cohesive transition, while the round diamonds along the shank add continuous scintillation and visual emphasis on the center gem. The combination of excellent diamond clarity and high color grades ensures that the side stones act as a bright, reflective foil to the sapphire, amplifying perceived light return and making the center color read more vivid and lively.

The entire composition is set in platinum 950, a metal choice that is both durable and optically neutral, allowing the bluish green of the Montana sapphire and the white of the diamonds to read true without coloration from the mounting. The prong and gallery work are engineered to allow maximum light entry to the pavilion and crown of the stones, which is essential for preserving the carefully optimized light path created by the mixed brilliant cut. For the educated buyer interested in proportions, gemological grading, and provenance, this ring presents a clear case of thoughtful design and material selection, combining a significant, well cut Montana sapphire with high quality diamonds and a platinum setting. The Natural Sapphire Company stands behind the selection and presentation of this piece, and we can provide further details on the gemological evaluation, imaging, and viewing options upon request.