Luxury Marquise Gem Diamond Key Pendant Necklace

Description

Some designs are assembled. Others are orchestrated.

This Marquise Gem Diamond Key Pendant Necklace 3D model is not a single idea—it’s a composition of many, working in precise harmony.

At the center, four marquise-cut stones (3.8 × 2 mm each) form a floral cross—elongated, directional, alive with movement. Three additional marquise stones extend into the key base, shaping a butterfly-like structure that doesn’t just decorate the piece—it completes it.

Surrounding this core is a framework of Gothic-inspired filigree, built from four flowing teardrop vine structures. Not random curves—each line supports the next, creating a lattice that feels natural but performs structurally.

Then come the diamonds.

• 5 × 1.5 mm round diamonds (≈ 0.075 CT) form a concentrated center
• 32 × 1.05 mm round diamonds (≈ 0.118 CT) trace the diamond-shaped frame

Total diamond weight: ≈ 0.193 CT

Two cuts. One system.
Round stones define the structure. Marquise stones define the identity.

Design Specifications

• Overall Length: 39.54 mm
• Top Width (Diamond Frame): 15.04 mm
• Thickness: 5.63 mm
• Structure: Diamond-frame filigree head + bail + cylindrical shaft + marquise key base

Stone Configuration

Round Diamonds:

• 5 × 1.5 mm (≈ 0.075 CT) – floral core
• 32 × 1.05 mm (≈ 0.118 CT) – frame and outer detailing

Marquise Stones:

• 7 × 3.8 × 2 mm – 4 in flower head, 3 in key base
• Total: 37 round diamonds + 7 marquise stones
• Total diamond weight: 0.193 CT

Included Files

• JCD file – parametric flexibility
• 3DM file – Rhino-ready precision editing
• STL file – clean for casting and printing

Why This Model Stands Apart

Because complexity usually comes at a cost.

Multiple stone types.
Layered filigree.
Structural symmetry across moving parts.

Each one adds time. Together, they multiply it.

Unless the system is already solved.

This model is engineered to handle that complexity:

• Integrated multi-cut stone layout (round + marquise)
• Balanced filigree density for casting success
• Pre-aligned stone seats for setting efficiency
• Cohesive design language from head to key base

It doesn’t simplify the design.
It simplifies the process of producing it.

Use Cases

• High-end statement key pendants
• Mixed gemstone luxury collections
• Artistic or limited-edition jewelry lines
• Advanced customization projects

Designing a multi-stone, multi-structure pendant from scratch is slow and technically demanding.

Balancing marquise and round stones, aligning filigree symmetry, and ensuring production readiness can take days—sometimes longer.

Use a fully resolved Marquise Gem Diamond Key Pendant Necklace model—where complexity is already engineered, and production can begin immediately.