1.05 Ct. Yellowish Green Sapphire from Madagascar

This 1.05 carat emerald cut yellowish green sapphire from Madagascar offered by The Natural Sapphire Company is an exceptional example of natural corundum, presented with precise dimensions of 6.58 x 4.77 x 3.33 mm. The emerald cut emphasizes broad, parallel facets that showcase the stone s color and internal clarity rather than relying on intense scintillation, making it an ideal shape for buyers who value color expression and clean, architectural lines. The gem is transparent with a clarity grade described as very very slightly included when evaluated at eye level, which means that inclusions are minimal and do not disrupt the visual field to the unaided eye. This level of clarity, combined with an excellent polish, results in smooth facet junctions and consistent light return across the table, so the yellowish green tone reads evenly without distracting surface or finish irregularities. The medium intense color intensity places this sapphire in a sweet spot for many connoisseurs, offering a lively hue that is neither washed out nor overly saturated, a balance that is often most desirable for wearable jewels.

From a gemological perspective this sapphire s optical properties contribute directly to its visual value, and they are worth noting for any educated buyer. Corundum, the mineral species that includes sapphire, has a refractive index in the range of approximately 1.76 to 1.77, and relatively low dispersion around 0.018. Those values translate into a firm brilliance and a refined, silky lustre rather than the brilliant fire seen in higher dispersion gemstones. The step facets of the emerald cut tend to produce broad flashes of light and a more serene play of light than the scintillating pattern of brilliant cuts, so what you see is a controlled and elegant reflection of color and clarity. This particular stone also displays modest pleochroism typical of certain sapphires, where slightly different viewing angles reveal more green or more yellow tones. That behavior can be an asset in jewellery design, providing a dynamic yet subtle color shift as the piece moves, and it is a natural fingerprint of corundum that aficionados appreciate.

Comparing reflective qualities to other gemstones in the green to yellow green category helps place this sapphire s optical personality in context. Against emerald, which has a lower refractive index around 1.57 to 1.58 and often abundant internal features, this sapphire will read as brighter and cleaner, with superior light return and greater resistance to wear due to corundum s hardness of nine on the Mohs scale. Against tourmaline, with its refractive index roughly between 1.62 and 1.64 and frequently pronounced pleochroism, the sapphire will generally display stronger consistent brilliance and a firmer lustre, while tourmaline can show more dramatic color zoning. Compared with spinel, which has a refractive index near 1.718, spinel can appear very lively and often offers exceptional eye clean material, but spinel s slightly lower refractive index yields a different kind of sparkle, often perceived as softer than sapphire s. Peridot is also softer and has greater birefringence, which can produce doubled facet images in certain cuts, whereas corundum retains crisp facet definition. In short, this Madagascar yellowish green sapphire provides a sophisticated balance of brightness, durability, and subtle color dynamism that sits between the lively presence of spinel and the softer glow of emerald.

Beyond optics, provenance and treatments have a major influence on value and desirability, and here the facts are straightforward and favorable. The stone is natural and unenhanced, with no heat treatment or other enhancements reported, a status that is increasingly prized by collectors and ethical buyers alike because it preserves the gem s original color and internal character. Madagascar is now recognized as a premier source for a wide spectrum of sapphire colors, and stones from there often show interesting secondary hues and fine clarity, attributes that can add collectible appeal. For practical use this sapphire s size and emerald cut make it versatile for rings, pendants, and bespoke settings that showcase the table face, and its hardness and polish mean it will hold up well to daily wear with routine care. Recommended cleaning is gentle warm soapy water and a soft brush, avoiding harsh chemicals and extreme thermal shock. At The Natural Sapphire Company we can advise on setting options that maximize the stone s color and protect its pavilion, and we welcome questions about matching, certificates, and custom design to ensure the piece you commission highlights this gem s natural beauty and enduring value.