This emerald cut three-stone engagement ring 3D CAD model is designed to deliver timeless elegance with a balanced and structured silhouette. The centerpiece features a classic emerald cut diamond, known for its elongated rectangular shape, step-cut faceting, and sophisticated hall-of-mirrors effect. The clean lines and cropped corners create a refined, architectural appearance ideal for modern bridal collections.

Flanking the center stone are two round brilliant side stones, positioned to enhance overall sparkle while maintaining visual harmony. The side stones are proportionally scaled to complement the emerald cut without overpowering its presence. Their placement ensures smooth transition from the center stone into the band, creating a seamless flow across the top profile.

The center stone is secured in a carefully engineered four-prong setting that protects the corners while allowing maximum light entry. The side stones are also prong-set with balanced spacing for secure stone holding and easy setting during production.

The shank features a solid, comfort-fit profile with smooth curvature for everyday wear. Structural thickness is optimized for casting reliability in gold, platinum, or silver. The gallery is reinforced to provide stable stone support while maintaining a clean and elegant side view.

The geometry is clean, watertight, and production-ready, suitable for high-resolution 3D printing, casting workflows, CAM processing, and professional rendering. This model is ideal for engagement ring collections, custom bridal projects, and jewellery manufacturers seeking reliable CAD assets.

INCLUDED FILES:

• STL file (ready for 3D printing and casting)• 3DM file (fully editable Rhino source file)

IMPORTANT POINTS:

• Clean and production-ready geometry• Emerald cut center with round side stones• Secure four-prong setting design• Balanced three-stone proportion• Reinforced gallery construction• Optimized wall thickness for casting• Smooth comfort-fit inner band• Editable Rhino source file included

CUSTOMER SUPPORT:

Customization services are available for center stone dimension changes, side stone adjustments, ring resizing, and weight optimization.

Please contact us before manufacturing for technical modifications to ensure smooth production results.