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Henan Yuda Crystal Co.,Ltd
Henan Yuda Crystal Co.,Ltd
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E F G Color Rough Diamond CVD Lab Created Diamonds Uncut High Clarity

Henan Yuda Crystal Co.,Ltd
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E F G Color Rough Diamond CVD Lab Created Diamonds Uncut High Clarity

Brand Name : Yuda Crystal

Model Number : YD-CVD

Certification : None

Place of Origin : Zhengzhou, China

MOQ : Negotiate

Price : Negotiate

Payment Terms : T/T, Western Union

Supply Ability : 50000carats per month

Delivery Time : 1-15 working days

Packaging Details : Carton box

Types : EFG CVD

Clarity : VVS VS

Size : 4ct up

Color : White EFG

Material : Carbon

Shape : Square and rectangular

Payment Term : 100% TT In Advance

Payment Mode : T/T, Bank Transfer, PayPal, Western Union

Sample Order : Welcome

Factory : YuDa Crystal

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E F G Color Rough Diamond CVD Lab Created Diamonds Uncut high Clarity Synthetic Diamonds

What is the difference between CVD DIAMOND and HPHT Diamond?

They are all cultivate diamonds, produced in the laboratory using two technical methods, but the production techniques are different. Their carbon atoms are arranged in the same way as natural diamonds, so they are called lab-grown diamonds.

Cvd diamonds produced with cvd technology have a high purity and large size, but are less colored than HPHT diamonds.
HPHT diamonds made with HPHT technology are high in color, but have a weaker clarity than cvd diamonds.

Does lab grown diamonds have GIA certified?

Yes. GIA is the abbreviation of the Gemological Institute of America. GIA is an authority in the diamond industry. The certificate issued by GIA is recognized by the industry.Diamonds have always been bought for GIA certificates. Diamonds with GIA certificates are not more secure. Consumers will also be more at ease. Maybe you only know that GIA only issues certificates for natural diamonds, but with the increase in synthetic diamonds, gia not only issues certificates for natural diamonds, but also provides synthetic diamond identification and grading services. GIA has been grading laboratory-grown diamonds since 2007. Beginning July 1, 2019, GIA Laboratory-Grown Diamond Reports and identification reports no longer use the term “synthetic.” The GIA Laboratory-Grown Diamond Report includes the standard GIA color, clarity and cut grading scales for reference purposes.

Specification

Item Value
Brand name Yuda Crystal
Model number YuDa-CVD
Place of origin Henan,China
Usage Jewellery,for polishing,rings
Hardness 10 Moh's
Payment term 100% payment in advance
Shipping ways DHL,FEDEX,UPS.EMS
Delivery Time 3-14 Working Days Base on Order Quantity

Real Diamond and Fake Diamond

Diamond Type Material Moh's Hardness Brilliance Refraction Index Relative Density Fire Dispersion
Real Natural C 10 2.42 3.52 0.044
Real Lab grown C 10 2.42 3.52 0.044
Fake Moissanite SIC 9.25 2.65 3.21 0.104
Fake Zircon Zr02 8.25 2.20 5.7 0.066

Who are we?

Henan YuDa Crystal Co., Ltd. are based in ZhengZhou city.We are specialized in the export and import business of lab grown diamonds more than 10 years. YuDa is a professional company in all synthetic diamond applications, our main products are cvd diamond, hpht diamond, and customized diamond by your requirements. Our products enjoy a good reputation and are sold to Europe, America, Southeast Asia, South Africa and other countries and regions.

They are professional and do well in management with strong learning attitudes and innovation awareness for stable work. Strong human resources and excellent company culture accelerate the healthy, fast and sustainable development of the company.

Lab Grown Rough Diamonds Details

E F G Color Rough Diamond CVD Lab Created Diamonds Uncut High Clarity


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