A symbol of forever, engineered for precision.

The Infinity Diamond Key Pendant Necklace 3D model blends romantic symbolism with disciplined craftsmanship. The design centers on an elegant ∞ infinity motif carved within a circular key head—an emblem of eternity, connection, and timeless value.

For jewelry manufacturers and designers, this model isn’t just about beauty. It’s about efficiency. Instead of spending hours constructing complex pavé layouts and symmetrical curves, the groundwork is already done—clean geometry, balanced proportions, and production-ready surfaces.

Because the best designs don’t just look beautiful.They work beautifully in production.

Design Structure OverviewPavé Diamond BailThe bail features a distinctive fan-shaped floral structure, composed of layered petal curves.Each surface is set with round brilliant diamonds, forming a radiant entry point that visually flows into the pendant.

Infinity Key Head (Signature Element)The centerpiece of the Infinity Diamond Key Pendant Necklace is a circular frame containing a sculpted infinity symbol.

Key design characteristics include:

Symmetrical ∞ double-loop infinity structure

A center round diamond anchoring the two loops

Dual oval negative spaces within the infinity form

Pavé-set diamonds covering both the infinity loops and circular frame

A soft three-lobed crown contour at the top of the disk, adding a romantic Victorian touch

The result is a pendant head with layered depth, symbolism, and continuous sparkle.

Crown Transition ConnectorBelow the circular head sits a refined crown-like connector element:

Sculpted M-shaped decorative bridge

Symmetrical V-shaped shoulders

Smooth transition into the key shaft

This detail adds both structural strength and visual elegance.

Diamond Pavé Key ShaftThe cylindrical shaft is fully polished and set with three vertical rows of round diamonds, ensuring continuous brilliance from top to bottom.

Classic Key TeethThe lower section features stepped L-shaped key teeth, accented with additional diamonds and finished with a rounded metal tip for balance and refinement.

Pendant DimensionsTotal Height: 45.44 mm

Width: 15.88 mm

Thickness: 4.58 mm

These proportions create a luxury-scale pendant ideal for statement necklaces or premium collections.

Diamond DetailsAll stones are Round Brilliant Diamonds.

Size Quantity0.95 mm 181.05 mm 771.10 mm 30Total Stones 125 pcsTotal Diamond Weight 0.512 ctEstimated center diamond size:≈ 1.05 mm (~0.005 ct)

The pavé layout ensures consistent brilliance and clean setting geometry, making this Infinity Diamond Key Pendant Necklace highly suitable for casting and production.

Included 3D FilesThe model package contains:

3DM file – Rhino editable file

STL file – Ready for 3D printing or casting workflows

Fully compatible with standard jewelry manufacturing pipelines.

Why This Model Saves Production TimeCreating a piece like the Infinity Diamond Key Pendant Necklace from scratch requires:

precise pavé spacing

symmetrical infinity geometry

consistent diamond alignment

balanced proportions

That can take hours or even days in CAD.

This model eliminates that process.

You receive a production-ready design that can go straight into rendering, prototyping, or casting preparation.