HPHT/CVD
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2021-2-21 · CVD HPHT carart lab diamond jewelry hot selling
High-Pressure High-Temperature, or HPHT, recreates a diamond's natural growing environment found deep within the Earth. The machines used have the ability to build up the pressure of almost 60,000 atmospheres and temperature of 2,500 degrees Celsius. The growth cell contains all the elements needed to grow a diamond, including a seed, highly ...
วิธี HPHT วิธี HPHT เป็นวิธีดั้งเดิมในการสร้างเพชรที่ปลูกเลี้ยงในห้องปฏิบัติการ เพชร HPHT คุณภาพระดับอัญมณีถูกนำมาใช้ในปี 1950 นอกจากเพชรที่กำลัง ...
For technical development derives early from the West, diamonds created by this method was given the Chinese names "" or "", directly translated from its English version'Synthetic Diamond'or'Lab Diamond', while CVD technology is about 30 years older than HPHT, which was invented in the Soviet Union ...
2021-10-21 · HPHT CVD,。 《》,（1）HPHT ： 1 。 1 ...
2021-4-2 · Synthetic type Ⅰb yellow diamonds are mainly grown by High Pressure High Temperature(HPHT) process, however, type Ⅰb CVD synthetic yellow diamonds have rarely been reported so far. A yellow type Ⅰb CVD syntheitc diamond sample was recognized for the first time in NGTC Shenzhen Laboratory during daily testing.
วิธี HPHT วิธี HPHT เป็นวิธีดั้งเดิมในการสร้างเพชรที่ปลูกเลี้ยงในห้องปฏิบัติการ เพชร HPHT คุณภาพระดับอัญมณีถูกนำมาใช้ในปี 1950 นอกจากเพชรที่กำลัง ...
2009-7-28 · HPHT CVD ： ．GIA（） ．2016-07-25 [2021-03-04] 5. Synthetic diamonds, what is in a name?（,？） ．Antwerp World Diamond Center（ .
2016-7-25 · HPHT synthetic diamonds tend to show a cross-shaped fluorescence pattern on its crown or pavilion after being cut. CVD synthetic diamonds may show a striated (striped) pattern when viewed through their pavilion facets. Common .
2021-4-2 · Synthetic type Ⅰb yellow diamonds are mainly grown by High Pressure High Temperature(HPHT) process, however, type Ⅰb CVD synthetic yellow diamonds have rarely been reported so far. A yellow type Ⅰb CVD syntheitc diamond sample was recognized for the first time in NGTC Shenzhen Laboratory during daily testing.
2021-4-2 · Synthetic type Ⅰb yellow diamonds are mainly grown by High Pressure High Temperature(HPHT) process, however, type Ⅰb CVD synthetic yellow diamonds have rarely been reported so far. A yellow type Ⅰb CVD syntheitc diamond sample was recognized for the first time in NGTC Shenzhen Laboratory during daily testing.
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In contrast, CVD created Synthetic diamonds normally exhibit quite even colouration and banded strain patterns, and they are of high clarity with few, if any, small dark carbon inclusions. In HPHT Lab Created diamonds one can often see the inclusion of solidified flux metal.
2021-8-25 · ,HPHT,CVD,CVD。 （lab grown diamond）、（synthetic diamond), .
Vvs1 D Color White HPHT Lab Created Synthetic Rough Diamonds Pear Diamond; 0 30 TO 0 39 Carat Size HPHT diamond lab grown synthetic diamond CVD Emerald Diamond; 0 70 to 0 79 Carat White DEF Color Of Loose Princess synthetic diamond rough uncut Cushion Diamond; 0 6ct E 1 5-2 0mm Cut Lab Grown Cvd Hpht Diamond Heart Diamond
2019-9-30 · Since 2002, Bhojal Corporation is now import export of synthetic diamond & hpht diamond In Surat, Gujarat, India or cvd diamond and we are manufacturer of diamond tools of ceramic bruting wheel and electro plated coting plate in surat,gujarat,india.
Rough Hydrothermal Emerald CZ Cubic Zirconia Diamond and Lab Created Synthetic Gemstones from China Factory at wholesale factory price. All types of CZ, Cubic Zirconia Diamond, Synthetic, Lab created color rough and cut Gemstone, crystal and Simulated gems, Nano,, Moissanite and Lab Grown CVD/HPHT Diamond and all types of Natural Gemstone are ...