1mm-5mm size white cvd diamond polished hpht diamond lab created rough diamond factory directly

タイトルまたは説明

We had Collect Samples from Others Factory of White Rough Diamond Compared with Ours, Found that Our Quality are Belong to Superior One Among Them.

Mainly Size of White Diamond are **5mm for Now. 

the rough white diamond with highquality

SIZE:         <1.0mm

                   1.**1.8mm

                   2.**3.5mm

                   >3.5mm

COLOR:    >J

CLRRITY: >SI

USAGE:    mainly being processed into polished diamonds of *7 surfaces for gem

3.Company Information

•  Zhengzhou Sino Crystal Superhard Materials Sales Co., Ltd. concentrate on cutting tools and wear parts, dressing, Wire-drawing, the rough stone of White and yellow Diamonds and polished diamonds.
• In ***3, Sino Crystal successfully achieved a large-scale production of large single crystal diamond in industrial grade. In ***4, our corporation had a mass production of single crystal synthetic diamond in gem grade, and caused a sensation in the field of diamond cutting tools and jewelry rapidly
•    We have the professional R&D team and gem -quality diamond test center. The results of tests from our test center can be recognized by more than **0 countries and regions in the word.