0.45 Ct. Greyish Blue Sapphire from Montana

This 0.45 carat round greyish blue sapphire presents as a transparent, finely proportioned gem, measuring 4.59 by 4.57 by 2.99 millimeters. Cut to a mixed brilliant style, the pavilion and crown facets are arranged to balance scintillation and flash, producing a crisp, lively face up appearance. The stone displays a light color intensity, with a subtle grey overlay that lends a restrained, sophisticated tone rather than vivid saturation. Clarity is graded as very slightly included, evaluated at eye level, indicating minimal inclusions that do not detract from overall visual performance. The sapphire has undergone heat treatment to enhance color uniformity and stability, and it has an excellent polish that contributes to strong facet definition and smooth surface reflections. Depth is approximately consistent with its diameter, supporting well controlled light return and presenting a pleasing combination of brilliance and windowing for its size.

Origin is documented as Montana, a source known for a range of cool blue and teal sapphires that are prized for their refined, understated hues. At 0.45 carat this round sapphire is well suited to high quality collectible assemblies where rarity, origin, and cut quality are prioritized, or to precision jewelry settings that emphasize proportion and craftsmanship. Component attributes such as the mixed brilliant cut and excellent polish make this stone a versatile option for a connoisseur seeking a discreet yet characterful Montana sapphire. The Natural Sapphire Company includes this specimen within a curated selection reflecting transparent grading information and consistent treatment disclosure, supporting collectors and designers who require clear provenance and technical detail.