1.12 Ct. Yellow Sapphire from Montana

This transparent 1.12 carat oval shape yellow sapphire measures 6.10 x 5.19 x 4.43 mm, and presents a finely judged balance of size and optical presence. Cut as a mixed brilliant cut, it combines a brilliant style crown with a pavilion that uses modified facet planes to enhance both brilliance and color retention. Clarity is graded very very slightly included at eye level, which means the stone reads clean to the unaided eye while retaining natural internal character typical of fine natural sapphires. Color is intense in saturation, delivering a saturated golden yellow that remains lively in both daylight and artificial light. The piece is heat treated, a stable and standard enhancement for color optimization, and it is polished to an excellent finish to maximize facet definition and light transmission. This sapphire is sourced from Montana, and it is presented by The Natural Sapphire Company with full attention to provenance and lapidary standards.

The mixed brilliant cut is the defining technical feature that controls how this sapphire interacts with incident light. The brilliant crown, with its precisely faceted star and bezel planes, functions to fragment incoming light into multiple return paths, producing strong white light return and scintillation across the table and crown facets. Below the girdle the pavilion geometry is adjusted away from a pure brilliant model to include larger, more planar facets that act as controlled reflectors. These pavilion facets encourage internal light recycling and selective color return, reducing undesired windows and promoting a harmonious balance between brilliance and face up color. The excellent polish is critical here, because even minute surface irregularities would scatter light and diminish the crispness of facet junctions. In this sapphire the lapidary has optimized facet junction sharpness and facet symmetry, which preserves total internal reflection where intended and allows purposeful leakage where additional sparkle is desirable.

From an optical color science perspective the interplay between hue, tone, and saturation is directly shaped by the cut geometry. The intense yellow hue in this Montana sapphire originates primarily from iron based chromophores, and the mixed brilliant architecture concentrates that chromophore response near the table for strong face up presence while allowing deeper pavilion reflections to add depth and nuance. The pavilion facet planes create controlled color windows that reveal slightly different tonalities with movement, producing lively flashes of warm gold and honey. Because the crown facets are relatively brilliant in their orientation, they scatter small white flashes that increase perceived brightness, which in turn enhances color saturation visually through simultaneous contrast. The heat treatment applied to this stone has been executed to stabilize and homogenize color without compromising the crystal lattice, so the resulting color distribution is even and predictable for setting design and daily wear.

Clarity and durability considerations are equally important for a buyer who values technical accuracy. The very very slightly included clarity grade indicates inclusions are minor and typically confined to small crystals or fine needles that do not interrupt the optical pathways at normal viewing distances. These inclusions can act as subtle light scattering centers at extreme angles, which can add to a sense of internal life without detracting from overall performance. The excellent polish minimizes surface abrasions, preserving both the intensity of reflected light and resistance to wear. For mounting, settings that allow light ingress from the pavilion, such as low bezel rails or open basket mounts, will take full advantage of the mixed brilliant cut by encouraging multiple internal reflections. For collectors and connoisseurs The Natural Sapphire Company presents this Montana yellow sapphire as a technically considered gem, balanced for optical performance, and prepared with lapidary precision to reveal the maximum potential of its color and clarity.