1.25 Ct. Yellow Sapphire from Ceylon (Sri Lanka)

This transparent 1.25 carat heart shape yellow sapphire is a rare combination of size, color and optical performance, making it an exceptional choice for someone who values brilliance with a romantic silhouette. Measuring 6.13 by 6.87 by 4.29 mm with a mixed brilliant cut and an excellent polish, this gem returns light with lively scintillation and a clean, satiny finish that reads as both elegant and modern. The intense yellow color provides a strong, confident presence that does not rely on excessive fire to make an impression, and the clarity grade described as very very slightly included when evaluated at eye level means that light moves through the stone with minimal interruption. Heat treated to enhance stability and depth of tone, and originating from Ceylon Sri Lanka, this sapphire shows the hallmark lift and brightness that collectors associate with the best Sri Lankan material. In hand the heart shape focuses reflection into defined flashes across the table and crown, creating the kind of lively performance that separates a finely cut sapphire from ordinary yellow gems.

When compared to other yellow gemstones on the market the reflective qualities of this sapphire stand out for both efficiency and color fidelity. Compared with citrine or quartz, which have a lower refractive index and therefore less return of light, this sapphire delivers more immediate brilliance and a more luminous surface effect. Compared with yellow topaz, which can show strong dispersion but generally has a lower refractive index compared with corundum, this sapphire offers firmer, more saturated yellow that reads as richer rather than simply brighter. Compared with yellow diamonds, which show higher dispersion and a different kind of fire due to a much higher refractive index, the sapphire wins on color depth and on value per carat for a vivid yellow. The sapphire also outperforms glass imitations and lower grade synthetics in reflectivity and durability, because the natural corundum structure combined with an excellent polish yields crisper facet junctions and cleaner flashes of light, and because the gem sits at nine on the Mohs hardness scale which translates into a long lasting polish and resistance to everyday wear.

The mixed brilliant cut of this heart shape is a key reason for the gem s superior reflective behavior compared with many other sapphires and fancy yellow stones. By pairing a brilliant facet arrangement on the crown with a carefully stepped or modified pavilion the cutter has maximized light return while preserving a vivid, even color field. That balance is difficult to achieve in heart shapes, yet here the proportions produce strong contrast between scintillation and face up color, so the stone looks alive from multiple angles. The excellent polish means light reflects cleanly from each facet rather than being scattered, and the very very slightly included clarity at eye level means the only internal features are minor and do not obstruct or dull the gem s performance. Origin from Ceylon Sri Lanka adds an extra layer of prestige, because Sri Lankan sapphires are prized for their combination of luminous color and exceptional clarity. At The Natural Sapphire Company we source, evaluate and present sapphires so our clients get transparent information about enhancements such as heat treatment, and so they can compare stones confidently. For anyone seeking a yellow gemstone that combines lively reflection, saturated color, fine clarity and enduring toughness, this 1.25 carat heart shape yellow sapphire represents a superior choice in both aesthetic appeal and long term value.