This cushion cut diamond engagement ring 3D CAD model showcases an elegant double halo structure combined with a pavé-set band, creating a luxurious and contemporary design suited for high-end engagement and bridal jewellery collections. The cushion cut center stone blends soft rounded corners with brilliant faceting, delivering a balanced mix of classic charm and modern sparkle.

The center stone is secured using precisely engineered prongs that provide durability while maximizing light exposure for enhanced brilliance. The double halo design adds layered dimension and visual richness, amplifying the center stone’s presence while maintaining a refined and balanced aesthetic. Pavé-set diamonds along the shank further enhance brilliance, ensuring sparkle from multiple viewing angles.

The CAD model is optimized for professional jewellery manufacturing, allowing smooth casting, stone setting, polishing, and finishing processes. Clean geometry and accurate stone positioning enable efficient production while maintaining premium quality results. The design can be easily customized for different center stone sizes and ring sizing requirements.

This model is ideal for jewellery manufacturers, CAD designers, retailers, and brands seeking production-ready engagement ring designs or adaptable base models for luxury jewellery collections.

Included Files

• STL file ready for casting and 3D printing• 3DM editable CAD source file• High-quality presentation render images• Production-ready jewellery CAD model

Important Points

• Manufacturing-ready jewellery CAD design• Clean and optimized geometry for casting• Accurate stone placement and prong structure• Suitable for professional stone setting workflows• Easy customization for various stone sizes• Suitable for engagement and bridal collections• Smooth surfaces for premium polishing and finishing• Compatible with standard jewellery CAD software workflows