Search results for “Lab Created Gemstones”

Oval Shape/Cut Cubic Zirconia and Synthetic & Natural Gemstones Wholesale from China Manufacturer and Suppliers Pictures (For loose cubic zirconia,lab created sapphire,ruby,spinel and other Synethetic Gemstones) Oval cut - While reminiscent of the round brilliant cut, both in sparkle and shape, the oval maintains its own brand of elegance, and has recently become a very popular centerpiece for engagement rings. At FU RONG GEMS, you can buy Oval Shape gemstones at Wholesale Direct Factory prices from the Real China Professional Manufacturer and Supplier. Check our Website to choose Your Ideal Oval Cut Loose Cubic Zirconia stones,Oval Cut #Lab Created Gemstones# such as Sapphire,Ruby,Aqua and Alexandrine stones. All Oval cut gemstones are wholesale directly from China. --Low, Low Factory Prices from China Wuzhou--the Biggest Synthetic Gemstones Manufacturing Base in the World.   The Following are the Normal sizes For your Reference:Oval Shape :3×5mm 4×6mm 5×7mm 6×8mm 7×9mm 8×10mm9×11mm 10×12mm 10×14mm 12×16mm 13×18mm 15×20mm Contact us to get a Free Quote for Ideal Oval Cut Cubic Zirconia Loose Stones and Oval Shape Synthetic Gemstones from China Wuzhou Supplier and Manufacturer. Popular Shapes/Cuts of Loose Gemstones SHAPES/CUTS SHAPES/CUTS Hearts and Arrow Rectangle Shape 9 hearts and 1 Flower Octagon Shape Round Shape Radiant Cut Oval Shape Emerald Cut Pear Shape Baguette Cut Marquise Shape Tapered Baguette Heart Shape Trapezoid Cut Trillion Shape Rose Cut Cushion Shape Briolette Drops Asscher Cut Firework cut Faceted Beads Checkerboard Millennium Cut Flower Cut Cabochon Triangle Shape 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 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...

Synthetic Opal Lab Created Opal Loose gemstone wholesale from china Suppliers and manufacturer What is a Synthetic Opal? What is Synthetic Opal/Lab-Grown Impregnated Synthetic Opal? A: Among all man-made opal, lab-grown impregnated synthetic opal has the highest quality and value. It takes about a year to grow in the laboratory and is similar in properties to natural opal. Natural opal is composed of silica and water while impregnated synthetic opal contains a high percentage of silica, at least 80%. It also has the unique feature of vertical growth pattern. Lab-grown impregnated synthetic opal is a beautiful stone with perfect color vibrancy - revealing the beauty of precious opal. Other research in macroporous structures have yielded highly ordered materials that have similar optical properties to opals and have been used in cosmetics. Synthetic opals usually display a very distinctive snakeskin pattern and they show brighter colors than natural opals. The spots of color are larger but they interact with light in a very similar way to natural opals. They contain 80% of silica which is impregnated with resin. Impregnated synthetic opals look good and appeal to some but can't replace what Mother Nature creates. Synthetic solid opal can be very difficult to identify, unless you are an expert, or have a lot of experience. Look closely at the pattern - Opal created in a laboratory (Gilson opal), displays bright colours in large patches of colour. The pattern is often 'too perfect' and ordered, and can also often display a 'snakeskin' pattern. If you are still not sure, take it to a gemmologist or an opal expert. Therefore, Synthetic opals is the best stimulant for the Real Opals,and it's beautiful and brilliant for the Jewelry designs. Synthetic Opal Cabochon is one of popular shape. At Fu Rong Gems, you can Buy high...

Loose Natural,Semi-Precious,Genuine Gemstones Wholesale at factory prices from China Suppliers and manufacturer. What is a Natural Gemstone? A: Natural gemstones are formed in nature with no interference from humans other than being mined, cut/faceted and polished. If a stone is identified as natural, this means that it has not been treated, enhanced or altered. Faceting is allowed for a stone to still be considered natural. What is a Genuine Gemstone? (Semi-precious stones)?A: A genuine gemstone is real, but it is treated in some way to enhance its cut or appearance. Needless to say, these are also referred to as “enhanced” or “treated” stones. Why do stones get treated? Many times natural stones have discoloration, cracks and/or inclusions. Treatme nts are applied to fix these “flaws” in the stone. For example, extreme heat is applied to natural sapphires, which results in improved clarity and a more cohesive, blue color. Fun Fact:Natural, untreated sapphires are very rare and more valuable than treated sapphires. What is a Lab-Created Gemstone? A:More commonly referred to as “created” gems because it has a more positive connotation, as you probably guessed, these are made in laboratories. Other terms used are “synthetic”, “artificial”, “lab-grown” and “man-made” gems. Many of these gemstones have the exact chemical composition of the same stone created in nature (e.g. Moissanites, Lab diamond or Lab Emerald green stones.), so technically, they are still the real deal. It's now possible for the gemstones dealer to manufacture many kinds of high quality gemstones in a laboratory, including sapphire, ruby, emerald and diamond. So what does this mean for the natural gemstone business? Synthetic or lab-created gemstones are made of the same material as natural gemstones, so they share the same chemical and optical properties. A synthetic sapphire is composed of aluminum oxide, the same material as...

Loose Birthstone Color Loose Gemstones(CZ, Glass, Synthetic,Natural Birthstone) colors gems wholesale from China Supplier and manufacturer Birthstones: Did you know Birthstones?A birthstone is a gift of a precious material (jewelry, mainly gemstones; themselves traditionally associated with various qualities) that symbolizes the month of birth in the Gregorian calendar. It is sometimes also called birthday stone (cf. infra; but that word is, confusingly, sometimes used as a synonym for an anniversary gift, which is related to the recipient's age, that is, year of birth).Definition: Traditional birthstones:Often combined with modern birthstone lists, traditional birthstones are older society-based birthstones. Since many different cultures had their own list, jewelers' lists are often inconsistent over what constitutes a traditional birthstone. The table below contains many stones which are popular choices, often reflecting Polish tradition.[1]The Gregorian calendar has poems matching each month with its birthstone. These are traditionally the stones in English-speaking societies. It is not known whether these verses below are of the originally Gregorian calendar or not. In fact Tiffany & Co. published these poems "of unknown author" for the first time in a pamphlet in 1870.[2] Three of the verses are repeats. What’s the Difference Between Modern and Traditional Birthstones? The list of traditional or ancient birthstones most well-known in the United States actually originated in Poland between the 16th and 18th centuries. In 1912, the National Association of Jewelers released a list of so-called “modern birthstones.” The modern list differed somewhat from the traditional, most notably by including only transparent gems. Presumably, this made it easier for jewelers to create “mother’s rings,” which feature the birthstones of a woman’s children, in a manner more suited to modern tastes. (Imagine trying to create a ring with a pearl, a turquoise cabochon, and a diamond and emerald, both faceted). To this day, jewelers continue...

Loose Spinel Gemstones: Aquamarine,London blue, Tourmaline Green gemstones wholesale from China Supplier What's Synthetic Spinel? A: Although not as widely used today as synthetic Corundum, synthetic Spinel is still one of the most common man-made gem materials, particularly blue synthetic Spinel. It appears frequently in class rings and costume jewelry. Blue, green and other colors of synthetic Spinel are mostly manufactured using the inexpensive flame-fusion method by which the Spinel develops around an elongated boule. These flame-fusion Spinels can be distinguished from natural Spinels by a slightly elevated refractive index due to a chemical variation involving higher aluminum content. Blue synthetic Spinels of the flame-fusion type are typically colored only by cobalt. No iron is added, and therefore they are diamagnetic, another property that distinguishes blue flame-fusion Spinels from blue natural Spinels. When viewed under the Chelsea filter and also under long wave UV light, the light blue and medium blue gems pictured below left and center show a pale pink reaction due to low cobalt content, while the dark blue gem on the right appears bright red due to much higher cobalt content. None of the synthetic Spinels shown below contain enough cobalt to cause magnetic attraction. Blue Spinel gemstones manufactured by the slower and more costly flux-grown method have a vivid blue color due to high cobalt content. They are generally small in size, faceted from small synthetic crystals that are shaped like natural octahedral Spinel crystals, as opposed to the large rounded boule shapes of flame-fusion Spinels. Because the major chemistry is the same as natural Spinel, the refractive index range is also the same. While the common flame-fusion synthetic blue Spinels are almost always diamagnetic, flux-grown blue Spinels are weakly magnetic due to their higher cobalt content. This is the only gem material of any kind...

Synthetic Blue Sapphire Gems, Synthetic Lab Created Ruby Gems, Synthetic Alexandrite, Synthetic White Sapphire, Pink Sapphire,Synthetic Corundum Gemstones China Wholesale and Suppliers 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 most commonly found as opaque crystals with dull colours. Red corundum is called ruby, blue corundum is called sapphire, and all other colours are called fancy sapphires. Some varieties of corundum will fluoresce under short wave and long wave UV light if there is enough chromium in the crystal structure but little iron, which tends to quench any emitted energy. Physical Properties of Corundum:Mohs Hardness: 9Specific Gravity: 3.90 to 4.05Cleavage Quality:NoneFracture: Uneven,Conchoidal Optical Properties of Corundum:Refractive Index: 1.758 to 1.780Optical Character: Uniaxial/-Birefringence 0.007 to 0.010 Pleochroism Dichroism: blue - violet-blue and greenish-blue; green - yellowish-green; yellow - pale yellow; purple - violet; orange, yellowish-red - deep crimson.Dispersion:0.018 Usually, There're 3 kinds of popular Corundum Stones for Jewelry use, one is Synthetic Lab Blue Sapphire, Synthetic Red Ruby, and Synthetic Lab Alexandria Gems, The following colors are the popular color of Corundum Gemstones. Slide Show of the Some Corundum Popoular Colors gemstones: Video  Popular Colors of Corundum gemstones and Spinel Gemstones Spinel Colors Corundum Colors Aquamarine 106# Pink Sapphire 2# Sky Blue 108# Pink...

Loose Nano Crystal and Nanosital gemstones wholesale from china supplier and manufacturer. What is Nano Gemstones ? A: Nanosital or 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. Nanosital or 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. Nanosital or Nano Crystal gemstone does not contain any health hazardous contaminants (lead, arsenum, cadmium) Hardness: 7 on Mohs scaleRefractive Index: 1.65-1.7Specific Gravity: 3.5-4Dispersion: 0.015Melting 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. The Nanosital hardness index (7) is higher than glass...

Loose Cubic Zirconia and Loose CZ White and Colored Gemstones Wholesale at factory prices from China Suppliers and Manufacturer. What is Cubic Zirconia? A: Cubic Zirconia (or CZ) is zirconium oxide (ZrO2 ), is widely synthesized for use as a diamond simulant and it is a lab made created stone with a specific gravity of between 5.6-6.00 and at about 7.5 hardness on Mohs scale, which is harder than most natural gems. Its refractive index is high at 2.15 - 2.18 (B-G interval) and its luster is very good. Its dispersion is very high at 0.058 - 0.066, exceeding that of diamond (0.044). Cubic Zirconia Gemstones is the best stimulant for the Real diamond, it's beautiful and brilliant for the Jewelry designs. At FU RONG GEMS, you can Buy White and Colored CZ Loose Cubic Zirconia Stones With Quality Grades A to Top Grade Quality AAAAA at Wholesale Direct Factory prices from the Real China Professional Manufacturer and Suppliers. How Loose Cubic Zirconia Quality is Determined? A: There are four main factors that help determine the quality or grade of cubic zirconia. These are carat (or carat weight), clarity, color, and cut. CZ stones are imitation diamonds or simulants and are measured in carat weight. Loose cubic zirconia stones are always heavier than real diamonds. This is because the materials that are used to create the stones are denser. Though loose cubic zirconia stones are generally colorless, many shades of colors can be added using trace elements during the manufacturing process. These colors might include lavender, peridot, pink, violet, champagne, aqua, citrine yellow, and others. Typically, transparent cubic zirconia will be the more valuable, high-end diamond imitation. Colored CZ stones are valued according to the rarity, evenness, and tone of their colors. Clarity, or clearness, of loose cubic zirconia is...

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...

Loose Cubic Zirconia and Glass Faceted Teardrops Drilled Holes and beads,Loose CZ Faceted Drops with Drilled holes Wholesale from China Manufacturer and Suppliers (For loose cubic zirconia,lab created sapphire,ruby,spinel and other Natural or Synthetic Gemstones) Loose Cubic Zirconia and Glass Teardrops Faceted Drops beads Gemstones China Wholesale and Supplier: At Fu Rong Gems, you can buy Faceted or Cabochon Teardrops Drops Beads at Wholesale Direct Factory prices from the Real China Professional Manufacturer and Supplier. Check our Website to choose Your Ideal Teardrops Loose Cubic Zirconia stones,Teardrops Lab Created Gemstones such as Sapphire,Aqua,Created Ruby and Alexandrine stones. All Teardrops gemstones are wholesale directly from China. Besides, We have quite a collection of CZ Loose Stones 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...Any Special Shape and styles are able to make. Loose cubic zirconia and glass faceted teardrops beads: Faceted Teardrops Cutting Modes/Patterns: Cubic Zirconia Faceted Teardrops,CZ Faceted Drops Popular designs with Drilled Holes Contact us to get a Free Quote for Ideal Teardrops Loose Cubic Zirconia and Synthetic Gemstones from China Wuzhou Supplier and Manufacturer. Email:[email protected] Popular Shapes/Cuts of Loose Gemstones SHAPES/CUTS SHAPES/CUTS Hearts and Arrow Rectangle Shape 9 hearts and 1 Flower Octagon Shape Round Shape Radiant Cut Oval Shape Emerald Cut Pear Shape Baguette Cut Marquise Shape Tapered Baguette Heart Shape Trapezoid Cut Trillion Shape Rose Cut Cushion Shape Briolette Drops Asscher Cut Firework cut Faceted Beads Checkerboard Millennium Cut Flower Cut Cabochon Balls Click the following Color Chart 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 Wuzhou City. Strict quality inspection: 15 production processes ;...