6.09 Ct. Blue Sapphire from Ceylon (Sri Lanka)

This item is a C.Dunaigre certified blue sapphire, presented by The Natural Sapphire Company, exhibiting a weight of 6.09 carats and an oval shape cut to exacting proportions. The origin is Ceylon, Sri Lanka, a source long esteemed for saturated, lively blue material. The sapphire is transparent, and it has been heat treated to optimize hue and tone, a standard and stable enhancement that refines the intrinsic color without compromising structural integrity. The cutter employed a mixed brilliant cut to balance table facets and pavilion girdle angles, delivering a versatile optical performance that suits both classic and modern settings. The gem measures 11.74 by 9.34 by 6.13 millimeters, dimensions that yield a pleasing face up presence while maintaining comfortable depth for mounting in rings and pendants.

The visual character of this sapphire is defined by an intense color intensity that reads as vivid blue, with even distribution across the table and along the crown facets. The mixed brilliant facet arrangement creates a composed interplay between larger step style planes and smaller brilliant facets, enabling a measured combination of scintillation and broad flashes of chromatic saturation. The clarity has been graded as very very slightly included when evaluated at eye level, a designation that indicates minute natural features which do not detract from apparent purity or light transmission. These minute internal characteristics contribute subtly to the gem story without interrupting the path of light, allowing the stone to present a consistent and deep blue from multiple viewing angles.

The polish on this sapphire is excellent, and the facet junctions are crisply defined, resulting in exceptional surface integrity and maximum reflective return. From the crown, the table provides clear entry for light, while the pavilion geometry redirects return through a controlled range of blues, emphasizing depth and richness rather than patchy or uneven color. When the gem is rotated under direct or diffused light, the mixed cut reveals alternating patterns of brilliance and tone, and the polished finish maintains sharp facet reflections rather than soft or hazy highlights. The overall effect is that the sapphire appears flawless to the eye in everyday viewing, the combination of high polish, expert facet alignment, and the very very slightly included clarity grade enhancing perceived perfection from top down, side on, and in profile.

For design and setting considerations this sapphire offers both aesthetic flexibility and reliable performance, with proportions that suit a solitary bezel or prong mount, or as the center of a more elaborate composition. The 11.74 by 9.34 by 6.13 millimeter dimensions provide a substantial presence on the finger while remaining manageable for daily wear, and the mixed brilliant cut gives a luminosity that complements both white and warm metal palettes. The C.Dunaigre certification included with the gem documents the origin, weight, measurements, clarity and noted enhancement, providing an independent record of its characteristics. The Natural Sapphire Company is available to provide additional imagery, examination information, and guidance on settings, should you wish to explore mounting options or request the original laboratory report. The stone is presented with an emphasis on its measured beauty, technical quality, and suitability for enduring use.