0.73 Ct. Blue Sapphire from Ceylon (Sri Lanka)

One beautiful transparent 0.73 carat heart shape blue sapphire, with dimensions of 5.32 x 6.78 x 2.48 mm, presents a rare combination of refined proportions and vivid color intensity, and is offered by The Natural Sapphire Company. Cut in a mixed brilliant style, the pavilion facets are calibrated to return light in a lively, scintillating manner, while the heart outline provides an elegant, romantic silhouette that reads clearly in both solitaire and halo settings. Evaluated at eye level, the clarity grade of very slightly included signals that the stone retains superb visual purity, with minor inclusions that do not interrupt the overall transparency or the gem's face up presentation. The excellent polish further amplifies the stone's optical performance, delivering crisp facet junctions and a silky lustre that complements the deep, saturated blue. This sapphire has been heat treated, a stable and widely accepted enhancement that enhances colour saturation and clarity without compromising structural integrity, and its origin from Ceylon, Sri Lanka supports the gemological profile, as Sri Lankan sapphires are historically noted for their vibrant, pure blue tones.

For the educated buyer, the technical attributes of this heart shape sapphire tell a cohesive story of value, craftsmanship, and provenance. The 0.73 carat weight and the 5.32 x 6.78 x 2.48 mm dimensions translate to a substantial face up size for wearable jewellery, especially when set as a centre stone in rings or pendants, and the mixed brilliant cut is chosen to optimise both brilliance and colour delivery, rather than merely maximizing weight retention. The clarity grade of very slightly included, assessed at eye level, reassures a discerning purchaser that the stone offers excellent visual clarity in everyday wear, with inclusions that are minor and typically only notable under magnification or specific lighting angles. Colour intensity described as vivid indicates strong saturation combined with desirable tone, meaning the blue is neither overly dark nor washed out, but sits in an ideal window where hue purity and brightness are most impactful. Excellent polish ensures the facets capture and reflect light efficiently, improving both sparkle and the perception of depth, and these measurable qualities are precisely what connoisseurs use to compare and value sapphires.

Beyond the technical merits, this Ceylon sapphire will stand out in any jewellery setting because its vivid colour and heart shape create an immediate visual focal point, and the combination of cut and polish translates that vividness into lively sparkle and strong face up appeal. Against white metals such as platinum or white gold the pure blue will appear clean and luminous, while set in yellow or rose gold the contrast will heighten the gem's saturation and impart a vintage or romantic character. For custom designs, the heart outline offers flexibility to be oriented point down in rings, or point up in pendants and earrings, maintaining symmetry and making the stone the undisputed centre of attention. The heat treated origin from Ceylon, Sri Lanka is valuable to buyers who prioritise documented provenance and consistent market desirability, and when combined with the measured clarity and excellent polish, this sapphire represents a sound purchase for both investment and personal adornment. The Natural Sapphire Company stands behind the gemstone grading and sourcing, and we welcome enquiries for certification, bespoke settings, and further technical specifications to assist you in making an informed acquisition.