5,635+ MPCVD Systems Deployed Worldwide IGI · GIA · Certified Lab-Grown Diamonds — Shipping Worldwide Anjali LabTech Limited (Formerly Known as Anjali Diamonds Private Limited)
Jewellery Manufacturing Process
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Jewellery Manufacturing Process

A step-by-step look at how lab-grown diamond jewellery is made.

Conceptual design & CAD modelling 1

Conceptual design & CAD modelling

Designs begins as creative ideas, developed into detailed 3D models using third-party software, producing photorealistic renderings and technical drawings.

3D wax printing or resin casting 2

3D wax printing or resin casting

The CAD model is turned into a prototype with SLA or DLP 3D printers, using wax or resin for lostwax casting.

Investment casting (lost-wax) 3

Investment casting (lost-wax)

Wax models are mounted and invested in plaster, which is then burned out to form a cavity for molten metal casting.

Filing and prepolishing 4

Filing and prepolishing

After casting, pieces are separated, filed, and pre-polished using rotary tools, hand files, and emery papers.

Stone Setting 5

Stone Setting

Certified lab-grown diamonds are placed into the prepared settings and secured by hand, ensuring each stone sits flush and firmly held.

Diamond selection & sorting 6

Diamond selection & sorting

Diamonds are selected and sorted by cut, colour, clarity, and size; methods include caliper measurement and loupe inspection.

Stone setting 7

Stone setting

Diamonds are mounted into the metal using a range of setting types (prong, bezel, pavé, channel), and tools such as microscopes and gravers.

Final polishing and rhodium plating 8

Final polishing and rhodium plating

Jewellery is machine and hand polished. White gold pieces are optionally rhodium-plated for enhanced shine with ultrasonic cleaning for finishes.

Quality inspection & packaging 9

Quality inspection & packaging

Every piece is checked for stone security, overall finish, and purity stamps before packaging for export or private-label clients.