When a design is reduced to its essence, there’s nowhere to hide.

This Double Heart Diamond Outline Key Pendant Necklace 3D model doesn’t rely on complexity. It relies on clarity.

Two hearts. One idea.

The outer heart is solid, smooth, and deliberate—its rounded metal frame gives the piece weight and presence. Inside it, a second heart appears—not in metal, but in light.

Eighteen 1.0 mm round diamonds (≈ 0.072 CT total) trace a perfect inner outline. No center stone. No surface fill. Just a precise line of brilliance defining shape through absence.

Total diamond weight: ≈ 0.072 CT

The center remains open, allowing light to pass through and return from every angle. It’s not just minimal—it’s intentional transparency.

The structure continues with discipline:

A clean cylindrical neck.A slender shaft.And a heart-shaped key base that echoes the top without repeating it.

Everything connects. Nothing competes.

Design SpecificationsOverall Length: 37.94 mmHeart Width: 12.20 mmThickness: 4.28 mmStructure: Double heart outline head + cylindrical neck + slim shaft + heart key baseStone Configuration18 × 1.0 mm round diamonds (≈ 0.072 CT total)Inner heart outline micro-pavé settingTotal: 18 stones | 0.072 CTIncluded Files3DM file – Rhino-ready precision modelingSTL file – clean for casting and manufacturingWhy This Model WorksBecause simplicity demands precision.

There are no patterns to mask inconsistency.No volume to compensate for imbalance.Only proportion, spacing, and line.

And building that from scratch takes time.

This model eliminates that process:

Perfectly aligned micro-pavé heart outlineBalanced double-layer proportionsClean geometry for efficient casting and finishingDesigned for fast adaptation across collectionsIt doesn’t add more design.It removes everything that slows you down.

Use CasesMinimalist romantic jewelry collectionsYouth-oriented gift market designsEveryday wear diamond key pendantsScalable production with strong visual identity