2  HPHT Rough
 4  CVD Rough
Current position :Great Wall Gems Factory-HPHT diamond rough,lab grown diamond rough,CVD diamond rough,diamonds - - factory

White CZ materials
Number:1

Color CZ materials
Number:2

Corundum materials
Number:3

Cutting workshop
Number:4

Cut material
Number:5

Polishing workshop
Number:6

Polishing workshop
Number:7

Quality inspection
Number:8
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lab grown diamond rough, HPHT rough, CVD rough
cubic zirconia replicas, CZ replicas
cubic zirconia round, CZ round, heart & arrow
cubic zirconia rough, ruby rough
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