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Lab Grown Paraiba Sapphire Color Octagon Emerald 8x6mm 7x5mm loose Gemstones wholesale from china Suppliers and Manufacturer. PICTURES Which gemstones can be grown in a lab? Diamond, fancy colored diamond, sapphire, ruby, spinel, emerald, alexandrite, moissanite, and opal. Every year, technology advances and more opportunities are available. Even in just the last five years, There’re huge advancements in the methods used to grow colored gemstones. As you can see the pictures from this page, these colors are lab grown, and more and more colors will be created for the jewelry designs. How these Lab grown gemstones are made? Most of them are created with the methods byPulled Czochralski , TheCzochralski process, uses radio waves to melt the aluminum oxide. A rod tipped with a seed crystal is inserted into the mixture and slowly rotated and pulled out, creating a column of Colored stones. Video             Color Chart of Lab Grown Gemstones Popular Colors of Lab Grown Gemstones: OUR ADVANTAGE Factory & Manufacturer since 2008, strong productive ability. Ensure the large quantity supply of product. We are one of the largest manufacturers & Suppliers of Loose gemstone in China#Wuzhou City#. Strict quality inspection: 15 production processes ; 9 inspection processes ; more than 8 experienced QC check ; Every gemstone has its quality assurance. GUARANTEE 30 days without using and damage of the stones; Bulk product quality is not same as samples; Gemstones are not same as the order list;

Lab Grown Green Alexandrite Color Round faceted 6.50mm loose Gemstones wholesale from china Suppliers and Manufacturer. PICTURES Which gemstones can be grown in a lab? Diamond, fancy colored diamond, sapphire, ruby, spinel, emerald, alexandrite, moissanite, and opal. Every year, technology advances and more opportunities are available. Even in just the last five years, There’re huge advancements in the methods used to grow colored gemstones. As you can see the pictures from this page, these colors are lab grown, and more and more colors will be created for the jewelry designs. How these Lab grown gemstones are made? Most of them are created with the methods byPulled Czochralski , TheCzochralski process, uses radio waves to melt the aluminum oxide. A rod tipped with a seed crystal is inserted into the mixture and slowly rotated and pulled out, creating a column of Colored stones. Video             Color Chart of Lab Grown Gemstones Popular Colors of Lab Grown Gemstones: OUR ADVANTAGE Factory & Manufacturer since 2008, strong productive ability. Ensure the large quantity supply of product. We are one of the largest manufacturers & Suppliers of Loose gemstone in China#Wuzhou City#. Strict quality inspection: 15 production processes ; 9 inspection processes ; more than 8 experienced QC check ; Every gemstone has its quality assurance. GUARANTEE 30 days without using and damage of the stones; Bulk product quality is not same as samples; Gemstones are not same as the order list;

Lab Grown Diamond Yellow,Green,Pink,Red and blue color Loose Lab grown Diamonds Wholesale from China Suppliers & Manufacturer PICTURES What are the Yellow green pink blue color lab grown Diamond? There is no doubt that diamonds are the world's most popular precious gemstones. Any piece of yellow green pink blue color diamond jewellery would benefit from its value, sparkle, and elegance. Since the invention of radiant cuts, yellow diamonds have become more popular. It is common for yellow diamonds to be cut in fancy shapes and recut in order to maximize the diamond's face-up color intensity. Among other coloured diamonds, their lower price per carat and rarity make them ideal for fashion trends in the new decade. It is interesting to note that white diamonds graded at the bottom of the colourless grading scale are found to have trace amounts of yellow. A stone's value increases as it is yellow become more vivid. Now You can get Yellow green pink and blue color Lab diamonds at a cheap price wholesale directly from China Suppliers. What's Synthetic/Lab Grown diamond? A synthetic diamond (also known as a laboratory-grown diamond, a cultured diamond, or a cultivated diamond) is a diamond produced by a controlled process, as contrasted with a natural diamond created by geological processes or an imitation diamond made of non-diamond material that appears similar to a diamond. Synthetic diamond is also widely known as HPHT diamond or CVD diamond, after the two common production methods (referring to the high-pressure high-temperature and chemical vapor deposition crystal formation methods, respectively). While the term synthetic may sometimes be associated by consumers with imitation products, synthetic diamonds are made of the same material as natural diamonds—pure carbon, crystallized in an isotropic 3D form. WHAT IS THE DIFFERENCE BETWEEN HPHT AND CVD? When comparing CVD vs HPHT...

Loose nano crystal Topaz Royal Blue Color 1208# Round shape Faceted Cut 2.00mm gemstones wholesale from china supplier and manufacturer. Pictures What is Nano Gemstones ? A: Nano Crystal gemstone - is the glass-ceramic material with nano sized (10⁻⁹m) crystals of Spinel in an aluminosilicate glass matrix, which is not special glass and it is not synthetic crystal or mineral - it is their hybrid. This composite material has unique physical and optical properties: Color (homogeneous and even), Density (3-3.3g/cm³), Luster (RI=1.61-1.64); Melting temperature (more than 1650 C°) and high thermal shock resistance make this material ideally compatible with the wax-casting technology. Nano Crystal gemstone are a new type of created gemstone made especially for jewellery. The colour is homogeneous, meaning that if you bought 100 emerald green nano crystal stones, the colour would be exactly the same in every stone. The material has been created with precious metal clay in mind, so any size gem should be kiln safe and blow torch safe with out colour change or damage. #Nano Crystal gemstone# does not contain any health hazardous contaminants (lead, arsenum, cadmium) Hardness: 7 on Mohs scale Refractive Index: 1.65-1.7 Specific Gravity: 3.5-4 Dispersion: 0.015 Melting Point: 1700 degrees Celcius It does not change color when heated. Can be used in wax casting. The Main characteristics of Nanosital/Nano Crystal stones: 1.Nano Stone's specific gravity index is very close to that of the most valuable gemstones such as topaz, sapphire, ruby and aquamarine. 2.Nano Stone and the optical properties of the most popular color gemstones are almost similar. Nano Stone's main feature is its lack of an unnaturally strong lustre, which is typical of #cubic zirconia#, wherein the play of colors remains attractive. 3.Nano Stone's hardness (7 on Mohs scale) guarantees jewellery durability without the loss of its original look....

Loose nano crystal Emerald Green #114 Color Oval shape faceted cut 8x10mm and 7x9mm gemstones wholesale from china supplier and manufacturer. Pictures Emerald Green Color is one of most popular color gemstones for jewelry setting, if you do the wax casting, Nano Emerald Green Color Gemstones is the best Choice , as it's heat resistant, withstand a high temperature. There're other popular Emerald Green color stones options: Nano Crystal Emerald Green Colors Cubic Zirconia Emerald Green Colors Glass Emerald Green Colors. Moissanite stones Green Color stones. What is Nano Gemstones ? A: Nano Crystal gemstone - is the glass-ceramic material with nano sized (10⁻⁹m) crystals of Spinel in an aluminosilicate glass matrix, which is not special glass and it is not synthetic crystal or mineral - it is their hybrid. This composite material has unique physical and optical properties: Color (homogeneous and even), Density (3-3.3g/cm³), Luster (RI=1.61-1.64); Melting temperature (more than 1650 C°) and high thermal shock resistance make this material ideally compatible with the wax-casting technology. Nano Crystal gemstone are a new type of created gemstone made especially for jewellery. The colour is homogeneous, meaning that if you bought 100 emerald green nano crystal stones, the colour would be exactly the same in every stone. The material has been created with precious metal clay in mind, so any size gem should be kiln safe and blow torch safe with out colour change or damage. #Nano Crystal gemstone# does not contain any health hazardous contaminants (lead, arsenum, cadmium) Hardness: 7 on Mohs scale Refractive Index: 1.65-1.7 Specific Gravity: 3.5-4 Dispersion: 0.015 Melting Point: 1700 degrees Celcius It does not change color when heated. Can be used in wax casting. The Main characteristics of Nanosital/Nano Crystal stones: 1.Nano Stone's specific gravity index is very close to that of the most valuable...

Loose Nano crystal Sapphire Blue Color 121/1# Round shape Cabochon cut 2.0mm and 2.5mm gemstones wholesale from china supplier and manufacturer. Pictures This Color #121/1 Sapphire blue is the most popoular & best alternative color for the Synthetic Sapphire blue color stones. About the Sapphire Blue color Gemstones:Sapphire is the September birthstone and for the 5th and 45th anniversary gemstone gifts. For specific birthstone information, September birthstone, Sapphire, Sapphire comes in all colors except red! It may be colorless, a deep blue, green, golden yellow, pink, reddish-orang, and violet. The most valuable color of sapphire is referred to as "corn-flower blue;" black, grey, or green overtones to this vivid blue will reduce overall value. Blue sapphire is not as expensive as diamond, emerald, and ruby, with the exception of the rare variety called Padparadscha, an orange-pink stone, and some Pink stones. Another better alternative sapphire blue color gemstones are Corundum Blue sapphire, nano crystal Blue Sapphire stones, Lab Grown Blue sapphire gemstones. What is Nano Gemstones ? A: Nano Crystal gemstone - is the glass-ceramic material with nano sized (10⁻⁹m) crystals of Spinel in an aluminosilicate glass matrix, which is not special glass and it is not synthetic crystal or mineral - it is their hybrid. This composite material has unique physical and optical properties: Color (homogeneous and even), Density (3-3.3g/cm³), Luster (RI=1.61-1.64); Melting temperature (more than 1650 C°) and high thermal shock resistance make this material ideally compatible with the wax-casting technology. Nano Crystal gemstone are a new type of created gemstone made especially for jewellery. The colour is homogeneous, meaning that if you bought 100 emerald green nano crystal stones, the colour would be exactly the same in every stone. The material has been created with precious metal clay in mind, so any size gem should be kiln...

Loose Natural Genuine Black Onyx Heart Shape Checkerboard Flat bottom 10x10mm and 6x6mm gemstones Wholesale at factory direct price from China Suppliers and manufacturers. Picture Black Onyx Color: Black Shape: Heart Quality: AAA Size: 5,6,8,9,10,11,12,13,14,15,16,17,18,19,20 MM Quantity: As per your choice Other shapes available: Round, Pear, Marquise, Triangle, Cushion, Rectangle If you need more Sizes and Shapes that are not listed please let us know, we can make it. What's Natural Black Onyx stones? Onyx primarily refers to the parallel banded variety of the silicate mineral chalcedony. Agate and onyx are both varieties of layered chalcedony that differ only in the form of the bands: agate has curved bands and onyx has parallel bands. The colors of its bands range from black to almost every color. information from Wikipedia Color: Black, Luster: Vitreous Crystal system: Hexagonal crystal system Chemical formula: SiO₂ Hardness (Mohs hardness scale): 7 Mineral class: Chalcedony Transparency: Opaque The spiritual meaning of the black onyx stone: lack Onyx meaning is Self-control, decision making, intuition, protection. ... Black Onyx is associated with the planet Saturn, which will bring a positive vibe for those born in the shadow of the planet Saturn. It is a stone for Leo zodiac sign. Black Onyx stone will helps maintenance Leo characteristic. Where to buy Natural Black Onyx stones? We have a quite collection of loose Natural Black Onyx gemstones in popular shapes cuts at wholesale at factory price from China .Contact us for a quote. POPULAR SHAPES AND SIZES: * Factory direct. * Strict quality control. * Large Stock. * Customized is welcome. *All Photos are 100% real shoot. Cutting provide: all kinds of Poupular shapes/cut and also can be made in custom shapes/cuts. Delivery date: 1-2 days for in stock, 7-10 days for custom orders. OUR ADVANTAGE Factory & Manufacturer since...

Loose nano crystal Tanzanite Blue Color #128 Round shape Faceted Cut 5.0mm and 6.0mm gemstones wholesale from china supplier and manufacturer. Pictures What is Nano Gemstones ? A: Nano Crystal gemstone - is the glass-ceramic material with nano sized (10⁻⁹m) crystals of Spinel in an aluminosilicate glass matrix, which is not special glass and it is not synthetic crystal or mineral - it is their hybrid. This composite material has unique physical and optical properties: Color (homogeneous and even), Density (3-3.3g/cm³), Luster (RI=1.61-1.64); Melting temperature (more than 1650 C°) and high thermal shock resistance make this material ideally compatible with the wax-casting technology. Nano Crystal gemstone are a new type of created gemstone made especially for jewellery. The colour is homogeneous, meaning that if you bought 100 emerald green nano crystal stones, the colour would be exactly the same in every stone. The material has been created with precious metal clay in mind, so any size gem should be kiln safe and blow torch safe with out colour change or damage. #Nano Crystal gemstone# does not contain any health hazardous contaminants (lead, arsenum, cadmium) Hardness: 7 on Mohs scale Refractive Index: 1.65-1.7 Specific Gravity: 3.5-4 Dispersion: 0.015 Melting Point: 1700 degrees Celcius It does not change color when heated. Can be used in wax casting. The Main characteristics of Nanosital/Nano Crystal stones: 1.Nano Stone's specific gravity index is very close to that of the most valuable gemstones such as topaz, sapphire, ruby and aquamarine. 2.Nano Stone and the optical properties of the most popular color gemstones are almost similar. Nano Stone's main feature is its lack of an unnaturally strong lustre, which is typical of #cubic zirconia#, wherein the play of colors remains attractive. 3.Nano Stone's hardness (7 on Mohs scale) guarantees jewellery durability without the loss of its original...

Loose Harden Glass Red Color BR105# Large size Baguette shape step cut 40x20mm gemstones Wholesale from China Suppliers and manufacturers. Pictures What is Harden Glass Gemstones ? A: Glass is an amorphous form of silica (with various percentages of additives) that has been used as a gemstone for millennia. Glass for gemstones is man-made, formed by fusing silica sand with various additives at temperatures of 1000+°C.Natural glasses include obsidian, which is is a rapidly quenched lava, and closer to pure silica glasses, such as libyan desert glass.A unique man-made glass, although not often used in gems for obious reasons, is trinitite, a mildly radioactive glass formed from the fusing of sand by the detonation of the first atomic bomb in 1945.Common glass has poor dispersion and refractive index, however it is very cheap to manufacture and is known in jewellery terms as paste - often backed with metal foils to increase brilliance. Hardened Glass Gemstones is one of the best stimulant for the CZ Stones or Natural Color Gemstones , which the colors are beautiful, but are cheap for the Jewelry designs. Hardness: 5-5.5 on Mohs scaleRefractive Index: 1.45-1.54Specific Gravity: 2.2-2.6Dispersion: 0.005-0.007Melting Point: 600-700 degrees Celcius At Fu Rong Gems, you can Buy high quality of Loose Hardened Glass Gemstones at Wholesale Direct Factory prices from the Real China Professional Manufacturers and Suppliers. Glass gemstones comes in all the basic shapes like Round, Oval, Pear, Octagon, Square, Heart, Marquise and etc. We can supply glass stones in about 200 colors. Click the following Color Chart of Popular colors and Shapes & Size Chart to learn More. OUR ADVANTAGE Factory & Manufacturer since 2008, strong productive ability. Ensure the large quantity supply of product. We are one of the largest manufacturers & Suppliers of Loose gemstone in China Wuzhou City. Strict...

Loose Synthetic Lab Created Corundum Rose Pink sapphire 3# Baguette Shape Step Cut 2x4mm and 3x5mm Loose gemstones Wholesale from China Suppliers and manufacturers. --Also Called as Synthetic Pink Sapphire,Lab created Pink Sapphire.--We Supply and Manufacture Corundum Pink sapphire stones in All kinds of popular Shapes and Sizes;--Color Shades:Pink sapphire 2# (Medium), Rose Pink sapphire 3# (Dark), Pictures What's the Pink Sapphire Color Stone? The Lab Created Pink Sapphires are the family stones of Synthetic Corundums. Lab Created Pink Sapphires are made by a method called Flame Fusion.They are made in such a way that they look like Natural gemstones. These Lab Created gemstones have the same chemical properties of the real stone,Have the same hardness, density and appearance like the Natural Pink Sapphire. Only a trained eye can tell the difference between the two. The most common Corundum colors are Blue Sapphire and Ruby color stones, but we can also supply White Sapphire, Orange Sapphire, Yellow Sapphire and Alexandrites in all shapes and sizes. We have quite a collection of Pink Sapphire Color Loose gemstones such as popular Round Brilliant Cut,Princess Cut,Emerald Cut,Cushion Cut and also unique heart, Oval,Octagon,Marquise, Pear,Star Cuts and Much More... What is Corundum and What are its Basic Qualities? A: Corundum is an aluminum oxide that commonly forms hexagonal barrel-shaped prisms that taper at both ends or as thin tabular hexagonal plates. It has a hardness of 9 on the Mohs scale, making it one of the most durable commercial gemstones. It has no dominant cleavage and fractures in a conchoidal manner. A high density of ~4.0 g/cm3 (most silicate minerals are ~2.6 g/cm3) results in corundum occurring in secondary placer deposits and recoverable by panning methods, similar to how you would recover placer gold. Corundum comes in all colours of the rainbow but is...