2.57 Ct. Blue Sapphire from Madagascar

One beautiful transparent C.Dunaigre certified Blue Cornflower 2.57 carat emerald cut shape blue sapphire comes to you from The Natural Sapphire Company, a gem that immediately sets itself apart the moment you compare it to the more common market offerings. At 9.38 x 6.00 x 4.64 mm, this sapphire sits in a size class that is noticeably rarer for Cornflower tones, where deeply saturated hues typically appear in smaller sizes or in stones with heavier body color. The emerald cut showcases the gem with clean, elongated lines that maximize its visual face up area, allowing the vivid color intensity to read boldly in light and shadow. Clarity is described as very very slightly included, evaluated at eye level, and the transparency combined with an excellent polish gives this stone a lively, luminous presence that many comparable sapphires do not possess. This exact combination of weight, cut, clarity, and the classic Cornflower blue is scarce, making it an exceptional choice for someone seeking a standout center gem that carries a sophisticated, refined look not commonly found in ready inventory.

When you measure this piece against other sapphires on the market, several advantages emerge that make it a superior value proposition. Cornflower blue is often associated with Sri Lankan and Burmese examples, and while those origins can produce beautiful hues they frequently come in smaller sizes or display different saturation profiles. Madagascar has recently become a source of remarkable color, and this stone is a vivid demonstration of that potential. The heat treated enhancement is fully disclosed, reflecting a widely accepted, stable technique that improves color without undermining long term durability. Compared to untreated stones that may have uneven tone or lesser clarity, a thoughtfully heat treated cornflower sapphire like this one delivers immediate visual perfection. Against lab created alternatives you will find a natural origin, documented by the C.Dunaigre certificate, and an organic character in color zoning and crystal structure that lab material cannot replicate. Against other natural stones, the emerald cut enhances apparent size while preserving weight, so you benefit from a larger, flatter table that emphasizes color and clarity, rather than the deep pavilion loss seen in some cuts that diminishes intensity.

The Natural Sapphire Company position on value is straightforward, we focus on source verified gems with clear, transparent information so you can make an informed choice. This 2.57 carat cornflower sapphire is an investment in rarity because cornflower tones at this carat weight and with such clean eye level clarity are infrequent in the market. It is ideal for a refined engagement ring where the straight facets of the emerald cut provide elegant flashes and a more architectural look than rounded cuts, or for bespoke jewelry projects where the stone will be the defining feature. We provide the C.Dunaigre certification to substantiate origin, gem identity, and the nature of the enhancement, so you know exactly what you are buying. If you compare this gem to other blue sapphires you will appreciate how its vivid intensity, transparent clarity, and excellent polish combine to create superior presence and longevity, making it not only a beautiful choice for today but a collectible piece with strong appeal for the future.