01 · Design · engineer · cast
CAM/CAD & casting
Develop production-ready files from a sketch, sample or reference. Castability, weight, stone tolerance and finish are engineered together for commercial collections.
Primary division · Jewellery manufacturing
Build the jewellery collection your market is missing.
PT Cassy Perak Emas manufactures gold and silver jewellery for Indonesian brands and international companies. Bring us a sketch, sample, CAD file or commercial target; we will help turn it into a controlled production programme.
One pillar. Multiple routes.
From design thinking to repeat production.
We treat jewellery as the centre of our manufacturing identity—not an add-on to bullion. Casting, chains, CNC detail, stone setting and finishing are organised around the commercial needs of a collection.
Manufacturing routes
Choose the process—or combine them.
A collection may use one route or bring several together under one development and quality plan.
02 · 12K · 16K · 18K · 22K
Lightweight gold chains
Custom chain programmes in 12K, 16K, 18K and 22K, with hollow and dense construction options, refined surface effects and repeat-batch consistency.
03 · 5 · 7 · 12-axis capability
CNC & faceting
Machine-cut and turning-based jewellery for crisp, repeatable detail across bangles, rings, bracelets, pendants and necklaces, including high-lustre surface patterns.
04 · Setting · assembly · finish
Stone setting & finishing
Coordinate stone planning, setting, joining, polishing, texturing and mixed matte/gloss finishes so construction and presentation are resolved as one process.
Supporting capability
Every collection needs more than a machine.
Adaptive development
Our team learns the client’s design language and develops manufacturable concepts around it.
Metal & alloy preparation
Prepare gold and silver purities and approved alloys around the agreed product specification.
Low-weight engineering
Engineer weight, wall, strength and casting behaviour to create commercially practical pieces.
Stone-ready construction
Plan seat, tolerance, setting and finishing requirements before the product reaches assembly.
Premium surface systems
Use polishing, faceting, texture and mixed surface treatments to lift perceived product value.
Private-label coordination
Align collection design, sampling, repeat production, marking and packaging with the brand programme.
Collection coverage
Designed for real retail assortments.
Chains & necklacesRings & bandsBangles & braceletsPendants & medallionsStone-set collectionsCustom brand programmes
Discuss your collection Before production
What we define with your team.
DesignReferences, dimensions, construction, target weight, stone requirements and signature details.
MaterialGold or silver, purity, alloy colour and performance expectations.
Commercial targetSample quantity, production volume, target cost, retail position and repeat-batch outlook.
Finish & deliverySurface standards, marking, packaging, documentation and target timeline.
Send a sketch, sample or early product idea.
We will review manufacturability, material, weight, finishing, quantity and the likely sampling path.