1.09 Ct. Blue Sapphire from Ceylon (Sri Lanka)

This 1.09 carat cushion shape blue sapphire from Ceylon, presented by The Natural Sapphire Company, is defined by disciplined lapidary execution and material provenance, dimensions 6.70 millimeters by 5.43 millimeters by 3.48 millimeters, mixed brilliant faceting, and a clarity grade described as very very slightly included, evaluated at eye level. The mixed brilliant cut combines a faceted crown with a partially brilliant pavilion, producing a balance of dispersion and broad color zones, and the gem displays an excellent polish with crisp facet junctions that maximize contrast and scintillation. The depth is approximately fifty seven percent of the average diameter, a proportion that favors a direct face up presence while retaining sufficient pavilion volume to intensify the vivid color intensity, the hue reading as a pure blue with subtle violet influence typical of Sri Lankan material. Heat treatment has been applied to optimize both color and clarity, a stable and widely accepted enhancement for Ceylon sapphires, and the overall result is a transparent stone that is eye clean, with inclusion features that do not compromise light transmission or durability.

From a color science perspective the sapphire exhibits strong saturation at a medium dark tone, characteristics that interact predictably with different skin tones when set in jewelry. On fair skin the vivid blue reads as vibrant and pure, white metals such as platinum or white gold will create a cool, continuous visual plane, allowing the stone to appear slightly lighter and more electric. On medium and olive complexions the sapphire maintains depth while gaining visual warmth against yellow based undertones, a contrast enhanced by yellow gold settings which produce a luminous juxtaposition, the complementary color effect making the blue appear richer and more three dimensional. On darker skin tones the gem presents high contrast and strong legibility, the saturated blue remaining intensely visible at a distance, and both white and yellow metals will allow the stone to command presence, while rose gold introduces a subtle warming halo that can soften the overall aesthetic without muting the blue.

Practical setting and design guidance informed by the gem s physical attributes will help realize the stone s optimal appearance in finished jewelry. The mixed brilliant pavilion and the excellent polish make this sapphire ideal for open prong or semi bezel settings that permit light to enter the pavilion, maximizing both brilliance and color flash, while low profile bezels protect the girdle and suit active lifestyles given corundum s Mohs hardness of nine. A single solitaire or minimal halo will preserve the pure vivid blue, halo diamonds in a small carat weight will increase apparent size and create a brightening effect without overwhelming the natural color. For bespoke commissions The Natural Sapphire Company recommends considering metal choice as a color tool, choosing platinum or white gold for a crisp, modern presentation, yellow gold for classic contrast and increased warmth, and rose gold for a contemporary, softened palette, and advising clients that the stone s proportions and eye clean clarity yield strong performance for rings, pendants and earrings alike, offering a balance of brilliance, color saturation, and everyday wearability.