Some designs whisper romance. This one opens the door to it.The Heart Key Pendant Necklace turns a classic key silhouette into a flowing, open-heart form—light, elegant, and unmistakably emotional. The curves are deliberate. The negative space is intentional. Every line is meant to cast clean, polish fast, and sparkle without excess.

Engineered for jewelry manufacturers and professional designers, this Heart Key Pendant Necklace 3D model balances poetic form with shop-floor practicality. The pavé track follows the heart contour with consistent spacing, wall thickness is optimized for stable casting, and the streamlined shaft reduces finishing time at the bench.

Dimensions & ProportionsTotal length: 35.70mm

Heart head width: 17.52mm

Key head thickness: 2.34mm

Overall form: Slim key profile with open-heart silhouette

Wearing scale: Petite-to-medium presence, refined for daily wear and date-ready styling

Design & StructureOpen-Heart Key Head (French Romantic Style)

Fluid heart contour with symmetrical curled base

Clean negative space for lightness and visual flow

Optimized edges for smoother polishing

Elongated Key Body

Slender shaft enhances elegance

Balanced proportions prevent top-heavy wear

Casting-friendly geometry for production runs

Gemstone SpecificationsTotal stones: 19 round stones

Stone size: 19 × 1.1mm round cut

Estimated main stone weight (1.1mm): ≈ 0.006 CT each

Total carat weight: 0.095 CT

Setting method: Pavé setting

Distribution:

Continuous pavé tracing along the heart contour

Creates a complete, luminous heart outline

Included 3D Files

3DM

STL

Topology and tolerances are prepared for jewelry CAD workflows, prototyping, casting, and stone setting.