This refined three-stone engagement ring features an elegant elongated cushion cut center diamond secured in a classic four-prong setting. The elongated proportions enhance finger coverage while maintaining the soft brilliance and romantic character of the cushion cut.

Two round brilliant side stones are precisely positioned to frame the center stone, adding balanced sparkle and visual harmony. The sculpted shank flows smoothly into the setting, creating a sophisticated and timeless silhouette suitable for modern bridal collections.

The gallery structure is engineered for durability and optimal light performance, allowing maximum brilliance from the center diamond. Prongs are proportioned to ensure secure stone setting while preserving a delicate and luxurious appearance.

Designed specifically for professional jewellery manufacturing, this CAD model includes accurate stone seats, proper wall thickness, and clean surfaces for smooth casting and finishing. Suitable for production in yellow gold, white gold, rose gold, or platinum.

Ideal for engagement collections, bridal jewellery lines, and high-end custom jewellery brands seeking a classic yet distinctive three-stone design.

INCLUDED FILES

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

IMPORTANT POINT

• Production-ready CAD model• Accurate elongated cushion stone seat• Secure four-prong center setting• Balanced three-stone arrangement• Proper wall thickness for casting• Adjustable center stone size in 3DM• Clean geometry optimized for CAM processing

CUSTOMER SUPPORT

For modifications such as center stone dimension changes, side stone size adjustments, band thickness customization, or branding personalization, please contact us.

We provide professional CAD support and reliable technical assistance to ensure smooth and efficient manufacturing.