Jewellery & Watch

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Jewellery & Watch Suppliers and Manufacturers

Loose Stones & Raw Materials

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Loose Stones & Raw Materials Suppliers and Manufacturers

Loose Diamonds

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Loose Diamonds Suppliers and Manufacturers

88 Diam (HK) Limited

VVS,VS,SI1 CLARITY White DEF Colour ( 30$ TO 150$ per Carat ) as well PINK,GREEN,YELLOW AND BLUE ( 75$ TO 200$ per Carat ) Full Cut brilliant cut lab grown diamonds, including SINGLE CUT, OVAL, HEART, PEARS,MARQUISE,TAPERED,BAGUETTE,EMRALD,ASSCHER SHAPE as well customised cut diamonds we manufacturing on order base  #loose diamond #lab grown diamond #Emerald Loose Diamond #diamond 

Emerald Loose Diamond

Cubic Craft Limited

There're 2 popular Lab grown Emerald Green Color Gemstones,One is Zambia Green, another is Colombia Green color. How can you tell a Zambian emerald?Emerald appearance is sometimes associated with its mine location. Colombian emeralds are said to have a warmer and more intense pure green color. Zambian emeralds are said to have a cooler, more bluish green color. Generally, Zambian emeralds are deep green with slight bluish overtone.  Hydrothermal Lab Created Zambia Emerald Round Shape Stone 2.0MM Melee stone LAB CREATED SAPPHIRE COLOR CHART  CUBIC CRAFT LIMITED (Chang Jiang Gems) build in 1994,We supply Lab stone,such as CVD/HPHT.LAB CREATED SAPPHIRE.MOISANITE,SPINEL,CORUNDUM,NANO,OPALNATURAL STONE,GLASS in many shape/size/color. Feel free to contact me if you have any questions.  

Hydrothermal Lab Created  Zambia Emerald Round Shape Stone 2.0MM  Melee stone

There're 2 popular Lab grown Emerald Green Color Gemstones,One is Zambia Green, another is Colombia Green color. How can you tell a Zambian emerald? Emerald appearance is sometimes associated with its mine location. Colombian emeralds are said to have a warmer and more intense pure green color. Zambian emeralds are said to have a cooler, more bluish green color. Generally, Zambian emeralds are deep green with slight bluish overtone. Hotselling Lab Grown Green Emerald Various Size Lab Zambia Emerald Octagon step for Jewelry  LAB CREATED SAPPHIRE COLOR CHART:   CUBIC CRAFT LIMITED (Chang Jiang Gems) build in 1994,We supply Lab stone,such as CVD/HPHT.LAB CREATED SAPPHIRE.MOISANITE,SPINEL,CORUNDUM,NANO,OPALNATURAL STONE,GLASS in many shape/size/color. Feel free to contact me if you have any questions. 

Hotselling Lab Grown Green Emerald Various Size Lab Zambia Emerald Octagon step for Jewelry

Hsin Yi Gems (HK) Co Ltd

Masterfully crafted to the finest with scrupulous care, this emerald-cut synthetic spinel gemstone showcases a rectangular silhouette with the corners chamfering to protect the piece from chipping or snagging. Feel free to customize the piece if you look for a gemstone in different sizes or shapes.  • Name: Synthetic Spinel #106 Gemstones: Emerald Cut Chamfered Corner Rectangle Baguette Octagon. • Flaunt a rectangular silhouette with chamfered corner. • Boast ingenious craftsmanship. • Different types of gemstone are available; • Include: synthetic corundum, synthetic spinel, cubic zirconia, nano, glass. • Cutting method: emerald cut. • Different cutting is available. • Feature a wide array of sizes and shapes. • Perfect for different jewellery settings. • Include: pendants, necklaces, bracelet, earrings, rings. • Finely polished and faceted. • Heat resistance of up to 800°C. 

Synthetic Spinel #106 Gemstone Rectangle Cut Emerald Cut

Add this synthetic spinel gemstone as a fine accent to the jewellery piece that you’re exquisitely crafting. An impressive showcase of ingenious craftsmanship in emerald cut, this synthetic spinel stone is rendered in a rectangular silhouette with the corners delicately chamfered. Feel free to customize the piece if you’re looking for the one in different sizes or shapes.  • Name: Synthetic Spinel #113 Gemstones Emerald Cut chamfered corner Rectangle Baguette Octagon. • Flaunt masterful craftsmanship with scrupulous care. • Add a finishing touch to the jewellery you are crafting. • Different types of gemstone are available; • Include: synthetic corundum, synthetic spinel, cubic zirconia, nano, glass. • Different cutting is available. • Feature a wide variety of sizes and shapes. • Perfect for different jewellery setting; • Include pendants, necklaces, bracelet, earrings and rings. • Fine polished and faceted. • Heat resistance of up to 800°C. 

Synthetic Spinel #113 Gemstone  Rectangle Shape Emerald Cut

There're 2 popular Lab grown Emerald Green Color Gemstones,One is Zambia Green, another is Colombia Green color. How can you tell a Zambian emerald?Emerald appearance is sometimes associated with its mine location. Colombian emeralds are said to have a warmer and more intense pure green color. Zambian emeralds are said to have a cooler, more bluish green color. Generally, Zambian emeralds are deep green with slight bluish overtone. Lab Zambian Emerald Hydrothermal stone Heart Shape Loose Gemstone  Lab Created Stone color chart:  More shapes are availableble:  CUBIC CRAFT LIMITED (Chang Jiang Gems) build in 1994,we supply Lab stone,such as CVD/HPHT.MOISANITE,SPINEL,CORUNDUM,NANO,OPALNATURAL STONE,GLASS in many shape/size/color. Feel free to contact us if you have any questions. 

Lab Zambian Emerald Hydrothermal stone Heart Shape Loose Gemstone

We have many stock in emerald color. Can order as the size and shape you need, new production from 100cts. 

Lab grown colombian Emerald Lab created loose stones,vs

There're 2 popular Lab grown Emerald Green Color Gemstones,One is Zambia Green, another is Colombia Green color. How can you tell a Zambian emerald? Emerald appearance is sometimes associated with its mine location. Colombian emeralds are said to have a warmer and more intense pure green color. Zambian emeralds are said to have a cooler, more bluish green color. Generally, Zambian emeralds are deep green with slight bluish overtone. Lab Grown 1.5x3mm to 6x12mm Zambian Emerald Marquise Gemstone Green Color for Jewelry Making Method: Hydrothermal (Identical to natural)水热法 Chemical Formula: Be3Al2 (SiO3) 6 (Identical to natural) Shape: Marquise Type: Hand Cut  LAB CREATED SAPPHIRE COLOR CHART: CUBIC CRAFT LIMITED (Chang Jiang Gems) build in 1994,We supply Lab stone,such as CVD/HPHT.LAB CREATED SAPPHIRE.MOISANITE,SPINEL,CORUNDUM,NANO,OPALNATURAL STONE,GLASS in many shape/size/color. Feel free to contact me if you have any questions. 

Lab Grown 1.5x3mm to 6x12mm Zambian Emerald Marquise Gemstone Green Color for Jewelry Making

There're 2 popular Lab grown Emerald Green Color Gemstones,One is Zambia Green, another is Colombia Green color. How can you tell a Zambian emerald?Emerald appearance is sometimes associated with its mine location. Colombian emeralds are said to have a warmer and more intense pure green color. Zambian emeralds are said to have a cooler, more bluish green color. Generally, Zambian emeralds are deep green with slight bluish overtone.  Lab Zambian Emerald Square shape Princess Cut Hydrothermal Gemstone lab Created Sapphire stone Color Chart: CUBIC CRAFT LIMITED (Chang Jiang Gems) build in 1994,We supply Lab stone,such as CVD/HPHT.LAB CREATED SAPPHIRE.MOISANITE,SPINEL,CORUNDUM,NANO,OPALNATURAL STONE,GLASS in many shape/size/color. Feel free to contact me if you have any questions. 

Lab Zambian Emerald Square shape Princess Cut Hydrothermal Gemstone

Apple Green Diamond Inc

 	 Using the natural Colombian Emerald Rough of very fine color but with heavy inclusions. Recrystalise it after which it is cut, polished and diamond coating is done on the Diamondlite - Emerald. It has the look of a fine quality Colombian Emerald with inclusions with the super shine like a Diamond.  

Diamondlite Emerald

Lab Colombia Emerald Round

Diamondlite emerald is produced using the natural Colombian emerald of very fine color but with heavy inclusions. We remove most of the inclusions from the rough and re-crystallize it. Diamond coating is done on Emerald&#39;s surface after it is cut and polished. Diamondlite emerald has the look of a fine-quality Colombian emerald with inclusions that shine like a diamond. 	 Hardness is 8.5. 	 All sizes and shapes are available from 0.10cts to 50cts. 	 Produce antique cuts as well.  

Pulled Czochralski Cobalt Blue Spinel This lab-created heart-shaped Spinel symbolizes passion and elegance, offering the brilliance of natural gems with the precision of modern techniques. Color: Cobalt Blue MOHS Hardness: 8 The Pulled Czochralski Method, pioneered by Polish scientist Jan Czochralski, is a state-of-the-art process designed to create flawless single crystals. By melting raw materials at high temperatures and precisely pulling a seed crystal from the melt, this method ensures that each gemstone is of exceptional clarity and brilliance. This process guarantees that each Pulled Czochralski Cobalt Blue Spinel is optically, chemically, and physically identical to its natural counterpart. With its rich cobalt blue color and heart shape, this lab-created Spinel makes a bold and beautiful choice for unique jewelry designs, perfect for those seeking a touch of modern sophistication High Quality Lab Grown Cobalt Spinel Blue Color Stone Octagon Step Cut Emerald for Jewelry Making  Lab Created Stone color chart:  More shapes are availableble:  CUBIC CRAFT LIMITED (Chang Jiang Gems) build in 1994,we supply Lab stone,such as CVD/HPHT. Lab Created Sapphire ,MOISANITE,SPINEL,CORUNDUM,NANO,OPAL,NATURAL STONE,GLASS in many shape/size/color. Feel free to contact us if you have any questions. 

High Quality Lab Grown Cobalt Spinel Blue Color Stone Octagon Step Cut Emerald for Jewelry Making

Inter-Pacific Holdings Limited

 Biron® Rough Stone  People have loved the look of gemstones in their jewellery for centuries. Whether it is a necklace or a bracelet covered with rubies, emeralds, sapphires and alexandrites, these bright stones continue to be loved for their beauty and the style they bring to jewellery pieces. Unfortunately, the rarity and price of many of these gemstones make their purchase out of reach for most people.  Today, scientists are able to grow precious gems which are identical physically, chemically and optically to natural gems in a controlled laboratory environment which enables color to come out richer and more even.  Lab-grown gemstones are the stunning, ethical and affordable alternative to earth-mined gems. By recreating the earth's natural process in a controlled laboratory environment, we are able to create rubies, emeralds, alexandrites, and sapphires that are higher in quality and more beautiful than most earth-mined equivalents and make them much more accessible to buyers.  The more expensive and hard-to-find natural gems in jewellery, such as emerald, ruby, sapphire &amp; alexandrite are the favourite lab-grown stones. They are not gem imitations; lab-grown gemstones are real. They are grown in a laboratory, but are identical physically, chemically and optically to natural gems. An imitation gemstone, which is also man-made such as cubic Zirconia (CZ), does not follow nature’s recipe, so it is completely different physically, chemically and optically from the natural gem it copies.   Biron® has lab-grown rough stones for emerald, ruby, blue sapphire, padparadscha and alexandrite. These have the same luster, fire, shining, quality, endurance &amp; chemical composition of the best quality natural gemstones, but are much more affordable.  Product DescriptionProduct NameBiron® Lab-grown Emerald, Colombian ColourGemstone TypeLab-grownSpeciesBerylChemical CompositionAl2Be3Si6O18 aluminum berylium silicateMohs' hardness7.5-8Refractive Index1.565-1.602Double Refraction-0.006Dispersion0.014(0.009-0.013)S.G.(Density)2.67-2.78Crystal SystemHexagonal     

Created Emerald Rough, Colombian Colour

Dharam Creations (HK) Ltd

An Exquisite Emerald pairs with excellent Polish and Symmetry. 

Emerald Pair Diamonds

IG Corporation (HK) Limited

Cut &amp; Polished Green Emeralds from Columbia 

Columbian Emeralds

Beladamas NV

 Showcased is a&nbsp;glittering diamond with a weight of 7.10 carats. It flaunts an emerald cut for a touch of elegance. This emerald-cut diamond is built to last for years. 
 
  Weight:&nbsp;7.10ct. 
  Color:&nbsp;I. 
  Clarity:&nbsp;VS1. 
  HRD certified. 
 

Emerald-Cut Diamond

Stellar Group HK Limited.

Emerald cut Diamond

Lab padparadscha- Customization guide:Adjustable parameters include size (0.5-20 carats) and color intensity to match specific design needs. For bulk orders,uniformity ensures seamless pairing in multi-stone jewelry sets.  We can cut many shape as you like:   Grown way: ***Czochralski method is a core technology for growing single-crystal gemstones from a melt.This method is homologous with the technology used industrially to grow semiconductor silicon single crystals. Its coreprinciple is as follows: 1.Raw Material Melting:The gemstone's raw materials (e.g., aluminum oxide Al2O3 and dopants) are placed into ahigh-temperature-resistant crucible (e.g., iridium, molybdenum, or graphite crucibles) and heated to extremely hightemperatures (e.g., synthetic ruby requires heating above 2050℃) using induction coils or resistive heating untilcompletely melted.2.Contact and Crystallization: A small, oriented natural or synthetic gemstone seed crystal is slowly lowered and broughtinto contact with the melt surface.3.Pulling and Rotation: Under strictly controlled conditions, the seed crystal is slowly pulled upward while simultaneouslyrotating. The melt at the interface between the seed crystal and the melt continuously cools and crystallizes according tothe crystal structure of the seed, thereby growing a single crystal gemstone with the same orientation as the seed.4.Process Control: The entire process requires precise control of temperature gradient, pulling rate (typically 6-15millimeters per hour), and rotation speed to ensure uniformity and quality of crystal growth.Common steps in the process include "necking, shoulder expansion, diameter control, and tailing" to optimize the crystalstructure.Gemstone crystals grown by this method exhibit high optical homogeneity, low dislocation density, and can be grown tolarge sizes.It is one of the primary production methods for high-quality synthetic gemstones, especially corundum family gems.   

Lab Padparadscha, Octagon(Emerald shape) 8x10, VVS, VS,1-10CTS

Lab Alexandrite- Customization guide:Adjustable parameters include size (0.5-20 carats) and color intensity to match specific design needs. For bulk orders,uniformity ensures seamless pairing in multi-stone jewelry sets.  We can cut many shape as you like:   Grown way: ***Czochralski method is a core technology for growing single-crystal gemstones from a melt.This method is homologous with the technology used industrially to grow semiconductor silicon single crystals. Its coreprinciple is as follows: 1.Raw Material Melting:The gemstone's raw materials (e.g., aluminum oxide Al2O3 and dopants) are placed into ahigh-temperature-resistant crucible (e.g., iridium, molybdenum, or graphite crucibles) and heated to extremely hightemperatures (e.g., synthetic ruby requires heating above 2050℃) using induction coils or resistive heating untilcompletely melted.2.Contact and Crystallization: A small, oriented natural or synthetic gemstone seed crystal is slowly lowered and broughtinto contact with the melt surface.3.Pulling and Rotation: Under strictly controlled conditions, the seed crystal is slowly pulled upward while simultaneouslyrotating. The melt at the interface between the seed crystal and the melt continuously cools and crystallizes according tothe crystal structure of the seed, thereby growing a single crystal gemstone with the same orientation as the seed.4.Process Control: The entire process requires precise control of temperature gradient, pulling rate (typically 6-15millimeters per hour), and rotation speed to ensure uniformity and quality of crystal growth.Common steps in the process include "necking, shoulder expansion, diameter control, and tailing" to optimize the crystalstructure.Gemstone crystals grown by this method exhibit high optical homogeneity, low dislocation density, and can be grown tolarge sizes.It is one of the primary production methods for high-quality synthetic gemstones, especially corundum family gems.     

Lab Grown Alexandrite, OCT (Emerald cut) 5x7,6x8,8x10,10x12,10x14 VVS, VS,1-10CTS

Sunny Gems Limited

Emeralds are known for their captivating green color, which ranges from a light, vibrant green to a deep, rich hue. The green color of emeralds is associated with nature, growth, and renewal. It represents harmony, balance, and a connection with the natural world. The intensity and saturation of the green color are important factors in determining the value of an emerald. The finest emeralds possess a vivid, intense green color with high transparency, making them highly sought after and prized in the world of gemstones. Round emeralds, just like emeralds in other shapes, are highly valued gemstones used in a variety of jewelry pieces. Here are some common uses for round emeralds: 1. Rings: Round emeralds are frequently used as the centerpiece in engagement rings, cocktail rings, or statement rings. The round shape allows the emerald to take center stage and showcases its vibrant green color. 2. Earrings: Round emeralds are popular choices for earrings, whether as studs or dangling earrings. They add a touch of elegance and sophistication to any ensemble. 3. Pendants and necklaces: Round emeralds can be set in pendants or used as a focal point in necklaces. They create a striking visual impact when worn close to the heart. 4. Bracelets: Round emeralds can be incorporated into bracelets, either as individual stones or in combination with other gemstones, creating a beautiful accessory for the wrist. 5. Brooches: Round emeralds can be used as accents in brooches, adding a pop of color and a touch of luxury to coats, scarves, or lapels. It's worth noting that round emeralds can also be used in custom-designed jewelry, allowing for unique and personalized creations based on individual preferences and styles. The round shape of emeralds lends itself well to various jewelry settings, enhancing their beauty and allure. 

Emerald Round Cut

Lab Grown Stones-very popular in the market Lab color gems, lab grown stones is like natural stones. Only some color (Paraiba, tsavorite) is YAG. Others same as natrual stones. They like lab diamond, instead of natural stones market. You can pay small money and get the same beatiful gemstones. Setting into the jewelry.     We can order as your picture drawing. Tell us the color, shape, size you want. We only use high quality rough to cut lab grown gems, the market mixed with cheap rough, with black point, crack , not clearn, color no good... Please pay attention to it.  

Lab Grown stones Emerald, Sapphire, Ruby, Paraiba, Alex, Padparadscha, Colbalt spinel

Vriti Diam (HK) Limited

Loose Natural Emerald Shape Diamond Layout 

Emerald Shape Natural Diamond Layout

V. D. Gems Limited

Illusion cut emerald diamond is made with many small diamonds. When we get to gather many small diamond in emerald shape with some strategy we can get look like single stone. Its a cost cutting strategy for buyer. Buyer can save 70% money while buying illusion(pie) cut. This one stone is divided into 9 pieces but it looks as single piece. Its for smart jewellers to give ornament with low prices to satisfy middle order customer.
In illusion cut, we manufacturing Star shape, kite shape, buddha diamonds, asher cut diamonds, heart shape diamonds.
Here you can compare 1ct emerald cut diamonds look same as 9pieces emerald cut diamonds but 9 pieces diamonds weight is only 0.30ct but out look for the both diamonds is same.

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