Antique Style Bluish Green Sapphire Ring 7.53 Ct., 18K White Gold

This ring centers on a remarkable C.Dunaigre certified bluish green sapphire, weighing 7.53 carats, cut in an asscher octagon shape with dimensions of 10.85 x 10.69 x 6.25 mm. The asscher cut presents a clean step facet geometry, producing a controlled play of light that emphasizes the stone's transparent clarity and the depth of its color. The sapphire is graded as very slightly included when evaluated at eye level, a clarity grade that ensures excellent visual purity, and it has intense color saturation with an excellent polish that enhances facet contrast and surface finish. The stone has been heat treated, a standard and stable enhancement that optimizes color and clarity, and is disclosed as such in the accompanying certification. The measured depth of approximately 6.25 mm on a table that averages near 10.77 mm yields a depth proportion around 58 percent, a balanced figure for an asscher style that retains weight while providing strong face up presence and desirable light return for an educated buyer.

The origin of this sapphire, Madagascar, is central to the piece's appeal and to its gemological fingerprint. Madagascar has become one of the most important modern sources of gem quality sapphires, with deposits such as Ilakaka and Sakaraha producing a wide palette of colors, including the bluish green and teal tones that are prized for their rarity. Geologically, Malagasy sapphires often exhibit trace element profiles dominated by iron and titanium combinations that produce blue through green hues, and this particular stone's bluish green tone is consistent with those local characteristics. Origin matters to the informed buyer for several reasons, it establishes a provenance linked to specific geological environments, it can influence market desirability and rarity, and it provides context for typical treatments and durability expectations. The C.Dunaigre certification that accompanies this sapphire confirms both the gemological properties and the disclosed treatment, adding a layer of independent verification that many collectors and connoisseurs require when assessing value. Madagascar origin also carries contemporary market relevance, as supply dynamics from the island have influenced price trends for certain color ranges, making a finely colored, well cut 7.53 carat sapphire from Madagascar a compelling acquisition for someone seeking both aesthetic distinction and sound investment characteristics.

The ring setting is crafted in 14 karat white gold, designed to complement and secure the central asscher octagon sapphire while contributing refined architectural detail. A faceted halo and openwork gallery frame the center stone, and the ring features white round diamonds placed as accents, with combined approximate diamond weight of 0.504 carats, comprised of a small cluster of melee diamonds totaling about 0.054 carats and a group totaling about 0.45 carats, all graded VS for clarity and F G for color. These diamonds are carefully selected to provide crisp contrast against the bluish green center stone, their F G color range ensuring a high level of whiteness while the VS clarity guarantees eye clean performance in the setting. The craftsmanship of the setting, visible in the delicate openwork and precise bead and prong placement, serves both aesthetic and practical functions, it elevates the sapphire for optimal viewing angles and secures the stones for everyday wear, and the 14 karat white gold offers a durable, high quality foundation that balances precious metal value with everyday comfort. At The Natural Sapphire Company we emphasize provenance, certification, and transparent treatment disclosure, and this ring is presented with full laboratory grading information and origin documentation, making it suitable for the collector who values geological story, verified quality, and enduring beauty. If you would like additional technical details, close up images, or information about custom mounting and sizing, we are available to assist with the specifics that matter to a discerning buyer.