OVERVIEW

This CAD model features a refined round brilliant solitaire ring designed with elegant, balanced proportions. The center setting incorporates a classic four-prong wire basket that securely elevates the gemstone above a smoothly contoured shank. The design emphasizes clean architectural lines, making it suitable for professional custom jewelry projects, CAD modifications, and photo-realistic rendering workflows.

TECHNICAL PRODUCTION INFORMATION

— Ring Size: US 6.5 (16.92 mm inside diameter)

— Center Stone: 1 piece, Round cut, 7.50 x 7.50 mm (1.57 ct diamond equivalent weight)

— Shank Base Width: 1.80 mm

— Shank Base Thickness: 1.70 mm

— Upper Shank Width: 1.70 mm

— Setting Height: 6.50 mm

ESTIMATED METAL WEIGHTS

— 14K Gold: Approx. 2.85 g (14KY) | 2.88 g (14KR) | 2.79 g (14KW) | 3.18 g (14K PdW)

— 18K Gold: Approx. 3.41 g (18KY / 18KR) | 3.24 g (18KW) | 3.46 g (18K PdW)

— Platinum: Approx. 4.45 g (PLAT) | 4.57 g (PLAT RU)

— 925 Sterling Silver: Approx. 2.29 g

FILE FORMAT INFORMATION

3DM — Native Rhino CAD source file containing editable NURBS surfaces

STEP — Standardized CAD exchange format for solid modeling software

STL — Mesh format suitable for downstream 3D digital preparation

FBX — Exchange format for 3D visualization, scene setup, and rendering

OBJ — Standard geometry file format with separate material group assignments

MANUFACTURING & MESH VERIFICATION

— Closed solid geometry (1 shell detected)

— Watertight mesh verified with 0 planar holes and 0 bad edges

— Manifold mesh structure with 0 inverted normals

— Scale verified in millimeter units

Note: Please verify tolerances, stone fit, and manufacturing requirements within your specific production workflow prior to casting.

PROFESSIONAL SERVICES AVAILABLE

Gemetric offers custom CAD engineering support and can modify this design to match custom finger sizes, gemstone dimensions, shank widths, or technical production standards upon request.