Professional 3D CAD model of a timeless and elegant 6-prong solitaire engagement ring. Perfectly optimized for 3D printing, casting, and finishing. Designed with precise tolerances, ideal for jewelers and manufacturers looking for a classic, ready-to-produce design.Product Details: Ring Size: EU 52 (US size ~6) Band Dimensions: 2.00 mm width, 1.50 mm thickness at the bottom. Formats Included: Editable 3DM (native Rhino/Matrix format) and production-ready STL.Gemstone Specifications: Center Stone Shape: Round Brilliant Stone Dimensions: ~8.81 x 8.85 mm Total Gem Count: 1 Estimated Carat Weight: 2.52 ctEstimated Metal Weights: 14K Gold: 3.34g 18K Gold: 3.99g 22K Gold: 4.63g 9K Gold: 2.87g Platinum / Palladium: Available in reports (see images)All structural elements are solid, closed meshes, tested for reliable wax or resin 3D printing, and ready to head straight to casting.If you appreciate this design and want to see more, please hit the Like button and Follow my shop for upcoming premium, production-ready 3D jewelry models!Tags:solitaire, engagementring, ring, 6prong, diamond, roundcut, bridal, weddingring, jewelry, 3dprintable, cad, stl, 3dm, goldsmith, jewelrydesign, matrix, rhino, casting, manufacturing, finejewelry