5 - 5.99 carat uncut rough diamond lab grown diamond CVD diamond for jewelry
Henan Yuda Crystal Co., Ltd., established in 2016, specializes in research and development, manufacturing and marketing of synthetic diamond and related products as well facilities. The company won scientific and technological progress awards of Zhengzhou city and Henan province.The diamond series products have been sharing high reputation in global market.

Diamond type | synthetic(lab created) |
Diamond shape | Square shape |
Diamond clarity | VVS VS |
Diamond color | EFG |
Diamond Carat Weight | 5-5.99 carat |
Technology | CVD |
Place of Origin | zhengzhou,China |
Diamond cut | Excellent |


1. who are we?
We are based in Henan, China, start from 2016,sell to Southeast Asia(20.00%),Africa(20.00%),South Asia(10.00%),Southern Europe(10.00%),Northern Europe(10.00%),Mid East(10.00%),Oceania(10.00%),South America(10.00%). There are total about 11-50 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Synthetic diamond,Diamond product,Lab grown diamond,Lab grown diamond jewelry,Diamond machine
4. why should you buy from us not from other suppliers?
We are specialized in the export and import business of lab grown diamonds for 10 years. Our products include synthetic diamond, diamond product, diamond tools. Quality is our life and your trust is our power. Good cooperating starts from trust.
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW;
Accepted Payment Currency:USD;
Accepted Payment Type: 100%T/T in advance
Language Spoken:English,Chinese