Princess Tiara Crown Heart Solitaire Ring - 100% Production & Casting Ready CAD Model

Designed by a professional jewelry CAD designer with over 10 years of factory-level production experience. This royal-inspired fantezi piece features an elegant bypass open-shank layout that wraps beautifully around the finger, showcasing a prominent 4.00 mm prong-set solitaire diamond on one end and an intricate princess tiara crown with a micro-pave heart center on the opposing end.

The model is expertly engineered with heavy prongs for a secure center stone setting and precisely spaced 1.10 mm accent prongs inside the tiara heart. Meticulously optimized for 3D wax/resin printing and direct investment casting, the geometry is 100% watertight, manifold, and checked for manufacturing defects. No thin walls, no bad contours—just download, print, and cast.

• File Formats: .STL (High-poly print file) / .3DM (Native Rhino/Matrix source file)
• Ring Size: US 9 (Europe ~19-20) - Engineered for a clean fit and easy resizing.
• Geometry: 100% Watertight, Manifold, Checked & Verified.
• Casting Efficiency: Perfect metal thickness engineered to prevent shrinkage and ensure smooth metal flow.

• Stone Sizes: 1 x 4.00 mm Center Round Solitaire & 3 x 1.10 mm Micro Round Diamond / CZ settings (Casting-ready setting layout)
• CAD Weight: Approx. 1.95 grams (Optimized for highly cost-effective, premium, and clean casting at size US 9)

Need a specific finger size or minor adjustments? Feel free to send a direct message. I will respond quickly!