• big size cvd/hpht uncut white raw synthetic diamond rough for ...

    Big Size Cvd/hpht Uncut White Raw Synthetic Diamond Rough For ...

    Big Size Cvd/hpht Uncut White Raw Synthetic Diamond Rough For Sale , Find Complete Details about Big Size Cvd/hpht Uncut White Raw Synthetic Diamond Rough For Sale,Vvs Quality Diamond,Wholesale Price Diamond,Rough Hpht Diamond from Abrasives Supplier or Manufacturer-Zhengzhou Better Star Trade Co., Ltd.

  • big size cvd/hpht uncut white raw synthetic diamond rough fo ...

    Big Size CVD/HPHT Uncut White Raw Synthetic Diamond Rough Fo ...

    Big Size CVD/HPHT Uncut White Raw Synthetic Diamond Rough Fo Buyer and Importer from China - Buying Lead. 16 Oct, 2018 Big Size CVD/HPHT Uncut White Raw Synthetic Diamond Rough For Sale.

  • rough uncut hpht synthetic diamond, high quality white rough ...

    Rough uncut HPHT synthetic diamond, High Quality White Rough ...

    Rough uncut HPHT synthetic diamond Lab Grown Diamonds are grown in highly-controlled laboratory conditions that simulate the earth's natural growing environment, producing real diamonds that are optically, physically and chemically identical to earth mined diamonds, so its refractive index ,density ,hardness ,dispersion and crystalline ...

  • white hpht raw uncut diamond - china synthetic diamond ...

    White Hpht Raw Uncut Diamond - China Synthetic Diamond ...

    China White Hpht Raw Uncut Diamond, Find details about China Uncut Rough Diamonds for Sale, Uncut Diamond Price from White Hpht Raw Uncut Diamond - Chenguang Machinery & Electric Equipment Co., Ltd.

  • raw crystal stone cvd hpht rough diamond, view raw crystal ...

    raw crystal stone cvd hpht rough diamond, View raw crystal ...

    raw crystal stone cvd hpht rough diamond, US $ 0.1 - 15 / Carat, Chenguang, Hunan, China (Mainland), JSWD.Source from Changsha Chenguang Machinery & Electric Equipment Co., Ltd. on Alibaba.com.

  • china cvd diamond white rough diamond hpht big size diamond ...

    China CVD Diamond White Rough Diamond Hpht Big Size Diamond ...

    CVD White Rough Diamond, CVD Diamond, Rough Uncut Diamonds manufacturer / supplier in China, offering CVD Diamond White Rough Diamond Hpht Big Size Diamond for Gem, High Quality Steelmaking Ferro Phosphorus/FEP Powder, Ferro Phosphorus/FEP Deoxidier Unit Price and so on.

  • cvd diamond, lab grown diamonds, synthetic diamonds supply

    cvd diamond, lab grown diamonds, synthetic diamonds supply

    The synthetic diamonds have reached the same level as natural diamonds. Even the jewelers can't distinguish themselves with the naked eye or with a magnifying glass. With CVD or HPHT method, people can synthesize yellow and white diamonds. Synthetic diamonds can be used for diamond rings, earrings and necklaces, and other general diamond jewelry.

  • hpht synthetic diamonds- lab grown diamonds supplier from china

    HPHT synthetic diamonds- lab grown diamonds supplier from china

    With CVD or HPHT method, people can synthesize yellow and white diamonds. HPHT Synthetic diamonds can be used for diamond rings, earrings and necklaces, and other general diamond jewelry. Or some special commemorative diamonds. Nowadays, the production technology of synthetic diamonds is becoming more and more perfect.

  • what is the difference between cvd diamonds and hpht diamonds?

    What is the Difference between CVD diamonds and HPHT diamonds?

    What is the Difference between CVD diamonds and HPHT diamonds? ... which changes the color of the diamond from a brownish tint to white. Diamonds that are subjected to the HPHT treatment must have a clarity of VS1 or better. ... GIA will not grade a CVD lab synthetic diamond.

  • cvd hpht diamond, cvd hpht diamond suppliers and ...

    Cvd Hpht Diamond, Cvd Hpht Diamond Suppliers and ...

    Alibaba.com offers 5,639 cvd hpht diamond products. About 77% of these are loose diamonds, 11% are abrasives, and 3% are loose gemstone. A wide variety of cvd hpht diamond options are available to you, such as vvs1, si2, and vs2.

  • lab grown hpht synthetic diamond cvd/hpht before and after 2 ...

    Lab Grown HPHT Synthetic Diamond CVD/HPHT before and after 2 ...

    we select rough for you and polish it 85%-90% off rapprice.

  • loose lab-created diamonds for sale

    Loose Lab-Created Diamonds for sale

    Get the best deal for Loose Lab-Created Diamonds from the largest online selection at eBay.com. Browse your favorite brands ... The product must be 100% diamond cvd hpht . B. Uncut rough diamond 1.2mm-9.0mm VVS--I COLOR D-I. A. Diamond micron powder polishing. ... White Loose Lab-Created Diamonds.

  • rough lab grown white cvd diamond / hpht diamond(id ... - ec21

    Rough Lab Grown White CVD Diamond / HPHT Diamond(id ... - EC21

    Rough Lab Grown White CVD Diamond / HPHT Diamond(id:9411202). View product details of Rough Lab Grown White CVD Diamond / HPHT Diamond from Henan Yinwang Trade Co.,Ltd manufacturer in EC21

  • hpht white cvd synthetic rough diamond - tradeindia.com

    HPHT White CVD Synthetic Rough Diamond - tradeindia.com

    Zhengzhou Sino-Crystal Diamond Joint Stock Co., Ltd. -Exporter, Manufacturer and Distributor of HPHT White CVD Synthetic Rough Diamond in Zhengzhou High & New Technology Industries Development Zone, Zhengzhou, Henan, China. Get deals on HPHT White CVD Synthetic Rough Diamond at Tradeindia.

  • china cvd hpht rough synthetic diamonds for jewelry and ...

    China CVD Hpht Rough Synthetic Diamonds for Jewelry and ...

    CVD Diamond, Lab Created Diamond, Diamond Jewelry manufacturer / supplier in China, offering CVD Hpht Rough Synthetic Diamonds for Jewelry and Industrial, Sandblasting Abrasive Refractory Material White Fused Alumina Aluminum Oxide, Ceramic Abrasive Grain for Grinding Wheels Mounted Points Bonded/Coated Abrasive and so on.

  • hpht synthetic diamond for jewelry - diamond from china

    HPHT Synthetic Diamond for Jewelry - Diamond From China

    HPHT is one of method to create lab grown diamond by hydralic press machine, engineers mix the diamond power and graphite together to dissolve in metal catalyst, this carbon dissolved from catalyst flow into high pressure cavity by high temperature and high pressure reaction, in this way, the carbon grows on the lower temperature diamond seeds into jewelry grade white, yellow mono crystal diamond.

  • cvd white rough diamond. - youtube

    Cvd white rough diamond. - YouTube

    1.00mm to 3.00mm , D-E-F ,Color and VVS-VS-SI-Clarity , Full white suitable for jewllery.

  • synthetic diamond hpht cvd diamond wholesale price from china ...

    Synthetic Diamond HPHT CVD Diamond Wholesale Price from China ...

    Synthetic diamond is also widely known as HPHT diamond or CVD diamond. Synthetic CZ or Lab Created Moissanite is totally different chemical and physical properties from natural diamonds, but synthetic diamond is same chemical and physical properties as earth mineral diamonds.

  • uncut diamond - diamond and electronic image imagepaw.co

    Uncut Diamond - Diamond and Electronic Image Imagepaw.Co

    China White Hpht Raw Uncut Diamond Rough Diamonds For. China Sinocrystal Hpht Cvd White Synthetic Rough Uncut Diamond Lab. Emerald And Uncut Diamond Necklace Jewellery Designs. South Africa Uncut Diamond From African. Uncut Diamond Size 1 60 To 2 50 Mm Rs 1600 Carat Shree Raj.

  • uncut diamond pics - diamond and electronic image imagepaw.co

    Uncut Diamond Pics - Diamond and Electronic Image Imagepaw.Co

    Natural raw 2 carat rough uncut diamonds lot of 1 carat natural raw uncut diamonds to 5 mm size congo cubes shape amazing black diamond drop earrings leaf in 14k ...

  • as a producer of synthetic diamonds (http://d ... - hacker news

    As a producer of synthetic diamonds (http://d ... - Hacker News

    CVD diamonds also typically grow as a brownish or grayish color and have to be HPHT-treated (different process than HPHT-growing, but can be done in the same machines) at additional cost to whiten them, healing defects in the crystal lattice. The cost to grow a rough white diamond is generally comparable with the cost to mine one from the ground.

  • synthetic diamond - wikipedia

    Synthetic diamond - Wikipedia

    Synthetic diamond is the hardest known material, where hardness is defined as resistance to indentation. The hardness of synthetic diamond depends on its purity, crystalline perfection and orientation: hardness is higher for flawless, pure crystals oriented to the direction (along the longest diagonal of the cubic diamond lattice).

  • henan sparkle superhard materials co., ltd. - white synthetic ...

    Henan Sparkle Superhard Materials Co., Ltd. - White Synthetic ...

    Henan Sparkle Superhard Materials Co., Ltd., Experts in Manufacturing and Exporting White Synthetic Diamond, White HPHT Diamond Plate and 1814 more Products. A Verified CN Gold Supplier on Alibaba.com.

  • hpht cvd synthetic rough diamond - eworldtrade.com

    HPHT CVD Synthetic Rough Diamond - eworldtrade.com

    HPHT CVD Synthetic Rough Diamond. HPHT CVD Synthetic Rough Diamond. Ok We use cookies to ensure that we give you the best experience on our website. If you continue to use this site we will assume that you are happy with it. ... Rough-Raw CVD Diamonds & Rough-Raw HPHT Diamonds. We are ...

  • synthetic diamonds

    synthetic diamonds

    Find great deals on eBay for synthetic diamonds. Shop with confidence. Skip to main content ... Loose Diamond VS F White Lab Grown Synthetic Diamonds HPHT CVD 1.7-1.75MM 0.02CT. Brand New. $5.99. Time ... 2.5-3.0mm Rough Diamonds D-F VVS-SI Uncut Diamond CVD HPHT Synthetic Grade A 1CT. Brand New ...

  • sino-crystal white cvd diamonds hpht diamond lab grown ...

    Sino-crystal white CVD diamonds HPHT diamond lab grown ...

    Quality Sino-crystal white CVD diamonds HPHT diamond lab grown jewellery diamond for sale - find quality Loose diamond for jewelry, Loose Diamonds & Loose diamond for jewelry from Zhengzhou Sinocrystal Superhard Materials Sales Co., Ltd. of China Suppliers - 133622783.

  • identifying cvd synthetic diamond - jck

    Identifying CVD Synthetic Diamond - JCK

    Identifying CVD Synthetic Diamond January 1, 2004 by Gary Roskin The Gemological Institute of America (GIA) reports that four Apollo rough crystals and four Apollo faceted diamonds were submitted to GIA's Gem Trade Lab (GTL) for identification and research.

  • hpht cvd synthetic rough diamond - hrb-exports.com

    HPHT CVD Synthetic Rough Diamond - hrb-exports.com

    Hrb Exports is one of the leading Manufacturer of Hpht Cvd Synthetic Rough Diamond in Surat - Hpht Cvd Synthetic Rough Diamond Supplier Surat, Hpht Cvd Synthetic Rough Diamond Manufacturer, Wholesale Hpht Cvd Synthetic Rough Diamond Supplying Company in Gujarat India.

  • near-colorless hpht synthetic diamonds from aotc group

    Near-Colorless HPHT Synthetic Diamonds from AOTC Group

    Since these products are only available in faceted form, the as-grown "rough" specimens are considerably larger. D.NEA (2014c) reports selling its "white" synthetic diamonds at prices "15-40% less than comparable mined diamonds." Currently, AOTC is the dominant producer of near-colorless HPHT synthetic diamonds for the gem trade.

  • sustainable yield hpht synthetic white rough diamond(id ...

    Sustainable Yield HPHT Synthetic White Rough Diamond(id ...

    Sustainable Yield HPHT Synthetic White Rough Diamond Zhengzhou Sino Crystal Diamond Joint Stock CO.,Ltd.,was established in 2004.We concentrate on the development, production and sales of superhard materials and their products, raw and auxiliary materials and the development of synthetic diamond equipments.