Some jewelry tells a story with silence.The Heart Key Pendant Diamond Necklace tells it with shape, light, and intention. A clean circular frame crowns the key, and within it, a diamond-set heart appears—an unmistakable symbol of opening the door to love. The silhouette is refined, vertical, and quietly expressive, designed to feel timeless without feeling old.
Built for jewelry manufacturers and professional designers, this Heart Key Pendant Diamond Necklace 3D model translates romance into production logic. The pavé and prong geometry are resolved for consistent stone seating, the wall thickness is calibrated for stable casting, and the transitions between head, shaft, and bail are engineered to reduce hand-finishing time while preserving elegance.
Dimensions & ProportionsTotal length: 37.88mm
Key head width: 11.46mm
Key head thickness (height): 3.93mm
Overall form: Slender vertical key silhouette
Key head: Circular halo frame with inner heart motif
Key shaft: Streamlined stem with decorative tooth at the end
Bail: Integrated top loop for smooth chain movement
Design LanguageRomantic Symbolism with Modern Restraint
Circular frame creates visual balance
Heart-shaped diamond layout anchors emotional meaning
Vertical composition elongates the pendant for daily wear appeal
Manufacturing-First Geometry
Optimized wall thickness for reliable casting
Clean transitions reduce polishing labor
Stone seats engineered for consistent pavé and prong setting
Diamond SpecificationsTotal stones: 16 round brilliant-cut diamonds
Single stone size: 1.0mm (≈ 0.005 CT each, approx.)
Total carat weight: 0.064 CT
Setting method: Pavé + prong setting
Stone layout: Diamonds arranged to form a heart motif inside the circular frame, ensuring balanced brilliance and visual clarity
Included 3D Files
3DM
STL
Production-ready formats for CAD editing, prototyping, casting, and stone setting.
STL (Stereolithography, filesize: 2.77 MB), 3DM (Rhinoceros 3D, filesize: 812 KB)
