HPHT/CVD
Welcome to Hydray, buy HPHT/CVD laboratory grown diamonds
Henan Hydray International Trading Co.,Ltd is the perfect partner for diamond retailers, wholesalers and manufacturers who are looking for environmentally conscious, high-quality lab grown diamonds rough at Preferential price. Our main products are HPHT diamonds, CVD diamonds and customized diamonds by your requirements.
White CVD Rough Diamond. Being a customer oriented organization, we are deeply engaged in offering a wide array of Lab Grown Diamond. we are offering a premium quality range of Lab Grown Diamond, Rough-Raw CVD Diamonds & Rough-Raw HPHT Diamonds. We are Manufacturer, Supplier & Wholesaler of Lab Grown Diamond, CVD, and HPHT Rough and .
2017-5-10 · HPHT is a process of growing diamond monocrystals at high temperature (about 1500 °C, with a required temperature gradient) and under high pressure (50,000-70,000 atmospheres). A special container carrying a metal melt (, nickel, cobalt, etc.) and graphite is hydraulically pressed.
2021-7-27 · HPHT is similar to the process that takes place in the earth to form a natural diamond. By applying high pressure (HP) and high temperature (HT) to a carbon source with a diamond seed the carbon is deposited on the seed, growing the rough diamond crystal in layers.
0 6ct E 1 5-2 0mm Lab Made Diamonds Large Size; 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
Product name Total Pcs Price/ Pcs Price/ Lot Lot Action; Rough Synthetic Pink #1.50, 1 Kilograms/lot 1.00: $238.33: $238.33: Rough Synthetic Pink #2, 1 Kilograms/lot
The HPHT diamond formation process begins with a small diamond seed that is placed into pure carbon. The diamond seed is exposed to intense pressure and heat. The carbon melts and a diamond begins to form around the seed. The substance is carefully cooled to form a diamond. The rough diamond is then ready to be cut, polished, and set into ...
RAW UNCUT BLUE COLOR CONGO CUBE NATURAL DIAMOND, For Industrial, Size: 0.80 To 1.03 Ct Rough To Polish for Lab Grown Diamonds Loose White Industrial Rough Diamond, Size: 1.00 To 6.00 Mm
2021-11-24 · Indian government rules on rough diamond import and export Posted November 24, 2021 | By Richard Chiu The Indian government has designated the Gem and Jewellery Export Promotion Council (GJEPC) as the sole import and export authority for rough diamonds for the Kimberley Process Certification Scheme.
low price 4.2carats square Cut Lab Grown Cvd Hpht Diamond 1.0 Carat Round 7-7.99carats square shape synthetic diamond rough uncut Large Size 3 mm to 5 mm unpolished man made diamond rough Wholesale
2021-10-17 · Rough Diamonds Buyers. YOU ARE IN : Buy Leads / Jewelry & Jewelry Designers / Diamond & Diamond Jewellery / Rough Diamonds. white rough diamonds. i want to buy white rough diamonds. Junagadh, India. Posted Date / 2021-10-17. View Details. african rough diamonds. I am interested in buying african rough diamonds.
The HPHT diamond formation process begins with a small diamond seed that is placed into pure carbon. The diamond seed is exposed to intense pressure and heat. The carbon melts and a diamond begins to form around the seed. The substance is carefully cooled to form a diamond. The rough diamond is then ready to be cut, polished, and set into ...
2021-10-17 · Rough Diamonds Buyers. YOU ARE IN : Buy Leads / Jewelry & Jewelry Designers / Diamond & Diamond Jewellery / Rough Diamonds. white rough diamonds. i want to buy white rough diamonds. Junagadh, India. Posted Date / 2021-10-17. View Details. african rough diamonds. I am interested in buying african rough diamonds.
Satiating your needs for best diamonds, we are the one-stop destination for you. Being a global player, we have carved a niche as one of the principal Natural Rough Diamonds Suppliers in India.We offer a pristine range of Loose Rough Diamonds that are used in the making of diamond studded jewelry.
29.06 – 02.07, we will give a speech at EGS 2017, Zermatt, Swiss; 28.02 – 04.03, we will exhibit at HKI Diamond, Gem Pearl Show 2017, Hong Kong
Alakh Diamond. Marriage Natural Jet Black Rough Loose Diamond Beads Strands, Code: GOD358. ₹ 4,350 / Piece. Prakash Bhupatbhai Mayani. 20 Carat Natural Uncut Diamond Beads, Size: 2 Mm To 2.5mm. ₹ 60 / Carat. Ali Impex. Pradeep .
Satiating your needs for best diamonds, we are the one-stop destination for you. Being a global player, we have carved a niche as one of the principal Natural Rough Diamonds Suppliers in India.We offer a pristine range of Loose Rough Diamonds that are used in the making of diamond studded jewelry.