This premium princess cut diamond engagement ring CAD design is crafted for professional jewellery manufacturing and high-end bridal collections. The design showcases a bold square princess-cut center stone, beautifully complemented by tapered side stones, creating a strong, elegant, and timeless three-stone composition.

The ring structure is engineered with precise prong placement, clean stone seats, and balanced proportions to ensure durability, comfort, and excellent casting results. Smooth inner shank geometry provides a comfortable fit, while the elevated center setting enhances brilliance and visual presence.

This CAD model is fully optimized for casting and CNC manufacturing, making it ideal for jewellery brands, manufacturers, wholesalers, and custom jewellery designers. The design works perfectly for engagement rings, bridal jewellery, and luxury fine jewellery collections.

DESIGN FEATURES

Princess cut solitaire center stone

Three-stone engagement ring design

Tapered side stones with secure prong setting

Clean and strong gallery structure

Comfortable fit band with smooth inner surface

Balanced proportions for luxury appearance

Production-ready CAD geometry

USAGE

Engagement ring manufacturing

Bridal jewellery collections

Custom jewellery orders

Fine jewellery production

CAD portfolio and client presentations

INCLUDED FILES

STL file – Casting and 3D printing ready3DM file – Editable Rhino CAD source

(Rendered images are for presentation purposes only.)

IMPORTANT NOTES

This is a digital CAD model, not a physical productModel is checked for clean geometry and manufacturabilityMinor adjustments may be required as per production standardsSuitable for professional jewellery manufacturing use

CUSTOMER SUPPORT

Customization support available for:Ring size changesStone size or proportion adjustmentsBand width or thickness modificationsMatching or variant design requests

Please message anytime for professional assistance.