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1 - 10 Results for rough diamonds clarity from 1604 Products
E F G Color Rough Diamond CVD Lab Created Diamonds Uncut High Clarity
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...
Henan Yuda Crystal Co.,Ltd
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ROOM 1524, 15TH FLOOR, NO.56 ZIJINGSHAN ROAD, GUANCHENG DISTRICT, ZHENGZHOU, HENAN, CHINA
Uncut HPHT Lab Grown Rough Diamonds 100% Real VS SI Clarity Diamonds Round Shape
100% Real VS SI Clarity Diamonds Round Shape Uncut HPHT Lab Grown Rough Diamonds Why Choose Lab Grown Diamonds? Environmental protection concept. The price is only 1/3 of natural diamonds, wouldn't you buy it? Cultivate the prospects of the diamond market. Although lab-grown diamonds still make up a small percentage of the overall diamond jewelry market, their share is growing. As production has increased and more consumers opted for lab-grown...
Henan Yuda Crystal Co.,Ltd
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ROOM 1524, 15TH FLOOR, NO.56 ZIJINGSHAN ROAD, GUANCHENG DISTRICT, ZHENGZHOU, HENAN, CHINA
Uncut 6ct HPHT Rough Diamond Lab Grown DEF Color VS Clarity For Rings
Uncut White DEF Color VVS VS SI Clarity HPHT Rough Diamond For Rings Lab Grown Diamonds Description Artificial diamond is a diameter of 10 to 30 nanometers of diamond crystals from the aggregation of multi-crystal diamond, the early artificial diamond due to nitrogen atoms in the air into the diamond crystal and light sugar thin color, after the scientists improved production method, the production of artificial diamond in the appearance and...
Henan Yuda Crystal Co.,Ltd
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ROOM 1524, 15TH FLOOR, NO.56 ZIJINGSHAN ROAD, GUANCHENG DISTRICT, ZHENGZHOU, HENAN, CHINA
6Ct 7Ct VVS VS Clarity DEF Colour White HPHT Rough Diamond For Rings
6Ct 7Ct VVS VS Clarity DEF Colour White HPHT Rough Diamond For Rings Lab Created Diamonds Description Artificial diamond is also known as laboratory grown diamond, artificial diamond and natural diamond in chemical composition, crystal structure, optical properties and physical properties of no difference, only atomic structure level difference. The concept of lab-made diamonds has only entered the jewelry market in recent years, with many...
Henan Yuda Crystal Co.,Ltd
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ROOM 1524, 15TH FLOOR, NO.56 ZIJINGSHAN ROAD, GUANCHENG DISTRICT, ZHENGZHOU, HENAN, CHINA
DEF Color VVS VS SI Clarity HPHT Rough Diamond For Ring And Necklace
DEF Color VVS VS SI Clarity HPHT Rough Diamond For Ring And Necklace Lab Created Diamonds Description Lab created diamond is a synthetic diamond that is cultivated in the laboratory to simulate the natural formation environment of natural diamond. It is mainly synthesized by HTHP method (high temperature and high pressure) and CVD method (chemical vapor precipitation method), also known as grown diamond. Natural diamonds are born about 160...
Henan Yuda Crystal Co.,Ltd
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ROOM 1524, 15TH FLOOR, NO.56 ZIJINGSHAN ROAD, GUANCHENG DISTRICT, ZHENGZHOU, HENAN, CHINA
VVS VS Clarity DEF Colour 3-4ct White HPHT Rough Diamond For Jewelry
VVS VS Clarity DEF Colour 3-4ct White HPHT Rough Diamond For Jewelry Lab Created Diamonds Description Recently, the scale, production capacity and quality of China's diamond cultivation industry have reached the world's highest level, and the output of almost 80% of the world's total. What is growing a diamond? The experiment is to lab created diamond is artificial diamond, is the scientists through the simulation of the growth environment of...
Henan Yuda Crystal Co.,Ltd
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ROOM 1524, 15TH FLOOR, NO.56 ZIJINGSHAN ROAD, GUANCHENG DISTRICT, ZHENGZHOU, HENAN, CHINA
Rectangle GH Color VS Clarity 3-16ct CVD Rough Diamonds For Jewelry
Rectangle GH Color VS Clarity 3-16ct CVD Rough Diamonds For Jewelry Artificial Lab Created Diamonds Description Diamonds are simply pure carbon bound together extremely tightly. Since then, researchers around the world have been pouring in the hope of building similarly compact structures in the lab. As many people know, diamonds are extremely pure carbon. Graphite, too, is pure carbon, but because graphite's carbon atoms are loose, diamond's...
Henan Yuda Crystal Co.,Ltd
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ROOM 1524, 15TH FLOOR, NO.56 ZIJINGSHAN ROAD, GUANCHENG DISTRICT, ZHENGZHOU, HENAN, CHINA
VVS VS SI Clarity HPHT Rough Diamond Round White DEF Color For Ring
Round White DEF Color VVS VS SI Clarity HPHT Rough Diamond For Ring Lab Grown Diamonds Description Synthetic techniques of cultured diamond can be divided into high temperature and high pressure method (HTHP) and chemical vapor deposition (CVD). 1) High temperature and high pressure method (HTHP) : the basic principle of HTHP is to simulate the crystallization conditions and growth environment of natural diamond, with graphite powder and metal...
Henan Yuda Crystal Co.,Ltd
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ROOM 1524, 15TH FLOOR, NO.56 ZIJINGSHAN ROAD, GUANCHENG DISTRICT, ZHENGZHOU, HENAN, CHINA
Big Size HPHT Rough Diamond White DEF Color VVS Clarity For Rings
Big Size White DEF Color VVS VS Clarity HPHT Rough Diamond For Rings Lab Created Diamonds Description Synthetic diamond cultivation methods mainly include HPHT high pressure and high temperature method and CVD chemical vapor deposition method, and the cultivation time is about half a month to one month. 1) HPHT high pressure and high temperature method: Pure toner is compressed into a growth capsule and then placed in a culture chamber. At...
Henan Yuda Crystal Co.,Ltd
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ROOM 1524, 15TH FLOOR, NO.56 ZIJINGSHAN ROAD, GUANCHENG DISTRICT, ZHENGZHOU, HENAN, CHINA
High Clarity Lab Grown HPHT White Rough Diamond Big Size
Product description China Supplier Big Size High Clarity Lab Grown HPHT White Rough Diamond For Sale Synthetic Diamond are diamonds manufactured in a laboratory, as opposed to diamonds mined from the Earth. The gemological and industrial uses of diamond have created a large demand for rough stones. This demand has been satisfied in large part by synthetic diamonds, which have been manufactured by various processes for more than half a century....
Henan Yuda Crystal Co.,Ltd
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ROOM 1524, 15TH FLOOR, NO.56 ZIJINGSHAN ROAD, GUANCHENG DISTRICT, ZHENGZHOU, HENAN, CHINA
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