This elegant Marquise Crossover Split Shank Engagement Ring features a captivating intertwined band design that perfectly blends modern sophistication with classic romance. The centerpiece showcases a stunning marquise-cut gem held securely by a specialized six-prong setting, beautifully complemented by a delicate strand of brilliant pavé accent stones that gracefully cross over a polished metal band. This seamless combination creates a dynamic sense of movement and brilliant sparkle from every angle. Meticulously crafted for high-end jewelry manufacturing, this model offers clean surfaces, smooth transitions, and excellent structural integrity tailored for casting.

Technical Production InformationRing Size: US 6.5

Center Stone: 1 piece, Marquise cut, 10.00 mm x 5.00 mm (approx. 0.82 ct)

Side Stones: 32 pieces, Round Brilliant cut, 1.00 mm x 1.00 mm (approx. 0.12 tw)

Shank Base Width: 2.00 mm

Shank Base Thickness: 1.60 mm

Upper Shank Thickness: 1.70 mm

Setting Height: 4.20 mm

Estimated Metal Weights14K Gold: Approximately 2.86 grams

18K Gold: Approximately 3.42 grams

Platinum: Approximately 4.46 grams

925 Sterling Silver: Approximately 2.30 grams

File Format InformationThe download includes industry-standard formats to accommodate all professional workflows. You will receive the native CAD source format (3DM) for direct editing, the stereolithography format (STL) optimized for 3D printing, and universal mesh formats (OBJ, FBX) for seamless integration into studio rendering environments.

Manufacturing and ReadinessThis model has been rigorously verified through industry-standard mesh repair protocols. It is delivered as a fully watertight, non-manifold-free, closed solid body. The geometry is completely prepared for high-resolution resin 3D printing and subsequent investment casting. Tolerances, prong lengths, and thicknesses have been strategically calculated to allow for standard metal shrinkage, filing, and final high-polish finishing.

Professional Services AvailableIf you require this design adapted to alternative stone sizes, different ring dimensions, or wish to commission exclusive custom jewelry modeling services, please feel free to reach out. I am available for direct collaboration and bespoke CAD development to meet your specific manufacturing requirements.