wholesale HPHT lab created  loose  rough diamonds for engagement rings

1. Product Description

Name: wholesale lab created  loose  rough diamonds for engagement rings

SIZE:         <1.0mm

                   1.0-1.4mm

                   2.0-3.5mm

                   3.5-4.5mm

COLOR:    >J

CARAT: >SI

CLRRITY: >SI

USAGE:    mainly being processed into polished diamonds of 57 surfaces for gem

2.Company Information

•  Zhengzhou Sino-Crystal Diamond Co., Ltd., established in 2004, specializes in research and development, manufacturing and marketing of D E F rough white HPHT CVD Laboratory Grown Diamond and related products as well facilities. Sino-Crystal owns national authorized labs and the detection capability gets authorization by CNAS; the detection data are widely accepted by 170 nations in the world.

• With great support from society and other departments, the company got listed on March 26th 2010; the stock is "Yu Diamond", stock code is 300064. It firstly issued stocks of 38 millions. By now, the company holds 608 millions in total.