Rough Diamond Assortment (RDA)

Good knowledge on rough diamond types, formation & assortment with its manufacturing procedure.

Course Contents

Identification of Rough.
Formation of Rough diamond - Production from mines - Sources & Location.

Factory Polishing Process Ghat (Bruting), Blocking, Bottom, Top, Table, Rounding.

Machinery Knowledge Bruiting, Sawing Machine, Laser Technology, Laser Kerfing - Sawing, Diamond scaife, etc.

Model Assortment, Expected yield, Table & Culet planning, Different type of planning, 'Planning' as per Clarity, Planning as per Weight or Expected yield.

Information on Polished goods: Grading, Shading, Assortment final & Exports.

Identification of Natural Rough, Synthetic Rough (CVD & HPHT Rough).

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