Some designs don’t shout romance—they unlock it.The Love Key Charm Diamond blends a refined oval halo with a clean, open heart at its center. It’s a modern symbol with an old promise: one key, one story. The lines are gentle. The sparkle is deliberate. Nothing is wasted.
Built for jewelry manufacturers and professional designers, this Love Key Charm Diamond 3D model is engineered for production efficiency. Pavé spacing is consistent, wall thickness is calibrated for casting, and the modular key shaft supports customization—right down to the letter-shaped key tooth. It’s a sentimental concept, delivered with manufacturing discipline.
Dimensions & ProportionsTotal length: 46.09mm
Oval halo width: 20.60mm
Key head thickness: 2.84mm (slim profile for elegant wear)
Overall form: Elongated romantic key silhouette with oval halo + open heart
Wearing scale: Medium presence; gift-ready proportions for daily or statement wear
Design & StructureOval Halo with Open Heart Center
Continuous pavé track around the oval frame
Clean negative space heart for visual clarity
Slim walls optimized for casting and polishing
Segmented Cylindrical Key Shaft
Modular step sections for visual rhythm
Reinforced joints reduce finishing time
Smooth transitions for comfort and durability
Customizable Letter Key Tooth
Default “E” letter tooth (other letters customizable)
Adds personalization for couples or brand stories
Maintains structural integrity for setting
Gemstone SpecificationsTotal stones: 21 round diamonds
Stone size: 21 × 1.2mm round cut
Estimated main stone weight (1.2mm): ≈ 0.008 CT each
Total carat weight: 0.126 CT
Setting method: Pavé setting
Distribution:
Oval halo: continuous pavé layout
Heart center: open space for contrast and light
Included 3D Files
3DM
STL
Optimized topology for jewelry CAD, prototyping, casting, and stone setting.
STL (Stereolithography, filesize: 3.68 MB), 3DM (Rhinoceros 3D, filesize: 1.33 MB)
