Some designs whisper luxury.Others make a statement before a single word is spoken.

The Diamond Pave Key Pendant Necklace 3D jewelry model belongs to the second category. Inspired by neoclassical architectural symmetry and modern high-luxury jewelry aesthetics, this pendant transforms the timeless key symbol into a bold pavé diamond centerpiece.

For jewelers and jewelry designers, the Diamond Pave Key Pendant Necklace offers something particularly valuable: a visually powerful design that is already engineered in CAD—saving hours of complex modeling work while delivering a striking luxury result.

Architectural Key DesignAt the top, the pendant begins with a double-arched openwork bail, allowing the chain to pass smoothly while maintaining a sculptural look. The surface is fully pavé-set with round brilliant diamonds, producing an immediate burst of brilliance from the first glance.

The key head features a distinctive hexagonal–octagonal open frame structure. This geometric design evokes classical architecture, where symmetry and proportion create visual authority. The central open space adds lightness to the form, while the surrounding beveled surfaces create multiple reflective planes.

Every edge of the frame is pavé-set with round brilliant diamonds, ensuring the entire structure sparkles from every angle.

Refined Structural DetailsConnecting the head and shaft are two V-shaped arrow accents, positioned above and below the neck. These architectural markers introduce direction and rhythm to the design.

Between them sits a polished metal ring detail that can be rendered as a contrasting metal accent, allowing jewelers to experiment with dual-tone gold effects in finished production pieces.

The main shaft is a cylindrical structure fully covered with rows of pavé diamonds. This uninterrupted diamond surface amplifies the vertical elegance of the pendant and creates a dramatic light performance when worn.

At the bottom, the pendant concludes with a distinctive “c”-shaped key bit, also pavé-set with diamonds. This subtle yet creative detail gives the pendant character while preserving the recognizable silhouette of a traditional key.

Built for Efficient Jewelry ProductionDesigning a pavé-intensive piece like the Diamond Pave Key Pendant Necklace from scratch would normally require significant CAD time—carefully positioning hundreds of stone seats and balancing the structural geometry.

This professional jewelry model removes that burden.

With the CAD structure already optimized, jewelers and designers can move directly to rendering, prototyping, casting, and stone setting preparation, dramatically accelerating the product development process.

Because time spent modeling is time not spent creating your next collection.

3D Model Files Included

3DM file

STL file

Compatible with standard jewelry CAD software and manufacturing workflows.

Pendant DimensionsSpecification MeasurementTotal Height 51.18 mmWidth 19.62 mmThickness 6.42 mmDiamond SpecificationsParameter DetailsTotal Diamonds 298 stonesStone Shape Round Brilliant Cut0.9 mm 137 stones1.0 mm 161 stonesTotal Diamond Weight ≈ 1.055 CTFor reference, a 1.0 mm round brilliant diamond corresponds approximately to 0.005 CT per stone, creating a continuous pavé surface across the pendant.

Why Jewelry Designers Use This ModelCreating a fully pavé-set pendant with nearly 300 stones requires precision, patience, and significant CAD time.

The Diamond Pave Key Pendant Necklace provides a ready-built solution for jewelers who want high-impact luxury designs without spending days constructing complex stone layouts.

Instead of modeling hundreds of pavé seats manually, you can focus on refining the collection and moving toward production.