4.02 Ct. Blue Sapphire from Ceylon (Sri Lanka)

If you are searching for the ideal stone to complete an engagement ring, or you are a collector seeking a rare and expressive blue sapphire, this 4.02 carat Ceylon gem from The Natural Sapphire Company is designed to end your search. This transparent oval sapphire measures 11.18 by 8.19 by 4.71 millimeters, a size that offers presence without overwhelming the hand, and it displays a vivid color intensity that captures the eye from every angle. Cut in a refined mixed brilliant style, the pavilion and crown work together to return light with liveliness and depth, while an excellent polish enhances the feeling of wet silk within the blue. The clarity is graded as very very slightly included when evaluated at eye level, which means you will enjoy a clean appearance and bright performance in most settings, and the heat treatment applied is the conventional and stable enhancement used to reveal the best of a natural Sri Lankan sapphire.

This stone is crafted to flatter many jewelry designs, and its oval shape lends itself to both modern and classic mounts. The wide face up area maximizes the display of color and allows the mixed brilliant cut to sing, producing scintillation that alternates with flashes of saturated blue and electric sparkle. For personalization, this sapphire reads beautifully in white metal settings that emphasize contrast, and in warm yellow metals that bring out any golden undertones inherent to fine Ceylon sapphires, so the stone will respond to your design choices with flattering versatility. Because the gem is transparent and well cut, light travels through the stone in a lively manner, making it especially attractive in open backed settings where a skilled jeweler can play with depth and table size to achieve the precise balance of fire and color that you desire.

Durability is often the deciding factor for people choosing a gemstone for daily wear, and this sapphire excels in that regard. As a corundum, sapphires rank 9 on the Mohs hardness scale, which places them just below diamond at 10 and well above quartz at 7 and topaz at 8, so the resistance to abrasion and scratching is exceptional for everyday jewelry. That high hardness combined with the toughness inherent to corundum means that an oval mixed brilliant sapphire of this quality is an ideal choice for an engagement ring or an heirloom piece that will be worn frequently. Heat treatment applied to stones from Sri Lanka is a widely accepted enhancement that is stable under normal wear, and it does not compromise the structural integrity of the gem. To preserve maximum beauty, care with routine cleaning using warm soapy water and a soft brush is recommended, and as with any fine gem you should avoid heavy knocks and prolonged exposure to harsh chemicals.

When you choose this sapphire from The Natural Sapphire Company you are selecting provenance and expertise as well as a remarkable stone. Ceylon sapphires are prized for their lively, velvety blues and balanced tones, and this particular gem combines that desirable origin with excellent polish, precise cutting, and a clarity that reads as eye clean to most observers. For someone seeking an engagement ring that communicates devotion without compromise, or for a collector seeking a rare and wearable blue, this stone provides emotional resonance and practical resilience. Our gem specialists are ready to advise on settings, mounting styles, and certification to ensure that your purchase fits your aesthetic and your lifestyle, and we are confident that for many buyers this sapphire will be the solution that ends the search.