3.70 Ct. Blue Sapphire from Ceylon (Sri Lanka)

This cushion shaped blue sapphire from The Natural Sapphire Company is a superb response to anyone searching for a center stone that combines presence, personality, and provenance. Weighing 3.70 carats and measuring 8.84 by 8.69 by 5.40 millimeters, this transparent gem has been faceted in a mixed brilliant cut that balances broad, romantic pavilion facets with a sparkling crown, resulting in lively scintillation and a face up that catches and returns light with vivid life. The clarity has been evaluated at very slightly included at eye level, a practical and appealing grade that means the stone reads clean to most viewers while retaining natural character under magnification. Its color has an intense intensity that reads as a true, saturated Ceylon blue, a hue that shows depth without looking overly dark, and the excellent polish ensures crisp facet junctions and the sort of mirror like surfaces that enhance brilliance and movement. Sourced from Ceylon, Sri Lanka, a region celebrated for producing sapphires with bright, velvety blues, this stone has been heat treated, a common and stable enhancement that improves color and clarity while remaining fully accepted by connoisseurs and the trade. For someone seeking an engagement ring that communicates both elegance and a storied origin, or a collector who wants a quintessential Sri Lankan sapphire with modern cutting that maximizes sparkle, this gem answers the brief perfectly.

When you imagine this cushion sapphire set into a custom piece, the possibilities frame the stone beautifully and solve stylistic questions even before design begins. For a timeless engagement ring, mount the stone in platinum or 18 carat white gold to amplify its cool, intense blue, surround it with a halo of small round brilliant diamonds to visually enlarge the center and add continuous scintillation, and use tapered baguette or kite shaped side stones to create a refined, elongated silhouette on the finger. If you want a warmer, more vintage leaning outcome, set the sapphire in 18 carat yellow gold, introduce warm champagne diamonds as accents, and choose engraved shoulders or a filigree gallery to marry the Ceylon blue with golden warmth. For a contemporary and romantic contrast, pair the center sapphire with delicate pink sapphires or padparadscha accents, especially in rose gold settings, the pink tones bringing out the blue in a lively duet. Consider also a three stone composition with two pear shaped diamonds flanking the cushion sapphire, this layout provides drama while maintaining balance, and the mixed brilliant cut of the sapphire will harmonize with the brilliant style of the diamonds, producing cohesive sparkle across the entire piece. As a pendant, set the sapphire in a simple bezel for everyday wear, or halo it with mixed shape diamonds for a pendant that reads equally luxurious and wearable. In custom earrings, matched small blue sapphires or diamond surrounds will create a pair that echoes the center stone beautifully for formal events or daily sophistication.

Beyond aesthetics, this sapphire satisfies practical needs and reassures collectors and buyers alike about long term enjoyment and value. Heat treatment is stable and permanent, meaning the enhancement will not require special maintenance or re treatment, and the excellent polish and careful mixed brilliant cutting make the stone ready to set without further modification. The provenance of Ceylon adds a provenance narrative that many buyers treasure, a connection to a storied origin that elevates the gem beyond mere color and carat weight. At The Natural Sapphire Company we can provide full details on certification, recommend precise side stone sizes and cuts to create the visual scale you desire, and partner with you on bespoke settings crafted in your preferred metal and style. If your search is for an engagement gem that will sit on the hand for a lifetime, or a rare collector piece that showcases classic Sri Lankan color with modern cutting, this 3.70 carat cushion sapphire is designed to satisfy those needs. Contact us for a virtual viewing, a consultation on complementary stones and settings, or a private appointment, and allow us to guide you through making this exceptional sapphire the solution to your quest for beauty, character, and lasting elegance.