1.43 Ct. Blue Sapphire from Ceylon (Sri Lanka)

One beautiful transparent 1.43 carat heart shape blue sapphire, measuring 6.61 x 7.67 x 3.45 millimeters, offers a combination of size, shape, and color that is rare in the market, and The Natural Sapphire Company is proud to present this exceptional gem. The mixed brilliant cut enhances light return and creates a lively play of brilliance across the heart shaped outline, while the excellent polish gives each facet crispness that elevates the overall sparkle beyond what you would expect from common commercial cuts. The clarity has been evaluated as very very slightly included at eye level, which means the stone reads clean to the naked eye and performs with the clarity and transparency of much higher graded stones. Origin is Ceylon, Sri Lanka, a source known for sapphires that balance lively saturation and pleasing tone, and this stone has been heat treated as disclosed to achieve a stable, vivid color that is both rich and evenly distributed.

When compared to the majority of blue sapphires available at similar sizes, this heart shape sapphire stands apart for its vivid color intensity. Many market options at the one to one and a half carat range tend to show either a washed out medium blue, or a dark blue that lacks liveliness and shows heavy zoning or windowing. This sapphire presents a vivid, saturated blue that is vibrant without being overly dark, and it maintains that saturation throughout the table and pavilion, avoiding the common problems of banding and uneven color. The heart shape itself is less common than standard rounds and ovals, and finding a heart in this weight with such even color and strong transparency is unusual. The mixed brilliant faceting pattern gives this stone superior scintillation and contrast when compared to standard step cuts or shallow fashion shapes, producing flashes of lighter and darker blue that draw the eye in and create a more dynamic appearance in real wear.

From a value and rarity perspective, few stones on the market combine a desirable origin, a vivid Ceylon blue, a clean eye level clarity, and a well proportioned heart shape at 1.43 carats. Many buyers must choose between a larger stone with lesser color quality, or a smaller, intensely colored stone. This sapphire bridges that gap by offering a size that sits beautifully on a finger or pendant, while delivering color and clarity typically seen in smaller premium stones. Heat treatment is a standard enhancement in the trade, and it has been applied here to stabilize and enhance the already promising material, making the color long lasting and consistent. The Natural Sapphire Company provides transparent disclosure and gemological evaluation for pieces like this, so buyers can be confident they are acquiring a distinct and ethically sourced gem whose combination of attributes is noticeably rarer than typical market examples.

For design and wearability, the heart shape and dimensions make this sapphire especially suited for a center stone in a bespoke engagement ring, a romantic pendant, or a custom statement piece that values both sentiment and rarity. In a solitaire setting the stone will read larger than many round stones of the same weight due to its spread, and in a halo the vivid Ceylon blue will pop against white diamonds, creating a striking contrast that emphasizes its color and brilliance. Compared to alternatives that offer either size without color or color without size, this sapphire gives an exceptional balance of spread, saturation, and finish, providing superior visual impact and lasting appeal. If you would like additional close up images, facet maps, or to discuss setting options and pricing, The Natural Sapphire Company is available to assist, and our team can help you understand why this particular heart shape blue sapphire is a rare and compelling choice.