Double Heart Key Charm Pendant Model—a disciplined expression of modern jewelry design, where simplicity becomes your strongest selling tool.

This model removes the unnecessary and refines the essential. A clean open-heart silhouette frames a suspended inner heart, precisely positioned to hold a single diamond. The composition is deliberate: structure, symmetry, and focus—nothing more, nothing wasted.

For jewelry manufacturers, this is not just a design choice. It’s a production advantage.

Design PhilosophyThe Double Heart Key Charm Pendant Model is built on three principles:

Minimalist precision — smooth, uninterrupted surfaces reduce finishing complexityHeart-in-heart architecture — a layered visual that communicates depth without adding weightModern commercial appeal — designed for today’s market where clean lines outperform excess detailCompared to ornate styles, this model delivers faster throughput and broader consumer reach.

Dimensions & ProportionsTotal Height: 26.82 mmMaximum Width: 9.40 mmThickness: 1.72 mmAspect Ratio: ~2.85:1 (slender vertical profile)These proportions are engineered for:

Lightweight wearabilityReduced material consumptionEfficient casting and finishing cyclesStructural BreakdownTop Bail

Smooth oval loop with balanced thicknessOptimized for durability and chain compatibilityOuter Heart Frame

Fully open, rounded heart contourMirror-polished surface with no added ornamentationClean geometry ensures consistent casting resultsInner Heart Setting

Suspended heart-shaped platform within the outer frameMaintains uniform spacing for a clear double-heart effectPositioned for precise stone placement and visual focusKey Shaft

Slim, straight barMinimal surface area for faster polishingKey Teeth

Simplified E-shaped baseRecognizable form with reduced finishing effortDiamond SpecificationStone Count: 1Cut: Round BrilliantDiameter: 1.7 mmTotal Weight: 0.018 ctSetting: Heart prong settingA single diamond, strategically placed, delivers brilliance without increasing labor complexity.

Included File Formats3DM (Rhino)STL (Production-ready)Fully compatible with professional jewelry CAD/CAM workflows.

Why Manufacturers Choose This ModelMinimal detailing reduces polishing timeOpen structure lowers casting riskSingle-stone setting improves workflow speedClean design increases market versatilityThis is a model that respects your time, your tools, and your margins.