Starsgem:Your Professional Lab Emerald Manufacturer!
Starsgem Co.,Ltd, the trustworthy partner in the gemstone and jewelry industry is a comprehensive company which is integrating design, production and sales. They have set up a large-scale gemstone manufacturing and jewelry processing factory. Jewelry including rings, earrings, bracelets and necklaces. Gemstones including lab diamond, moissanite, lab grown colorful gemstones, and cubic zirconia, corundom, nano, and glass.
Why Choose Us
Quality Control
Starsgem has been committed to growing diamonds in professional laboratories for many years. From the selection of raw materials to cutting and final inspection, we ensure that every step is strictly controlled and operated by professional workers to ensure that the diamonds you receive are flawless.
Ownership of Processing Facilities
Starsgem possesses its own jewelry manufacturing facility and design department, which provides a wide array of jewelry design options.
Production Capacity
Our monthly production capacity is approximately 30,000 pieces, and we can produce jewelry in materials such as 925 sterling silver, 9K, 10K, 14K, 18K and platinum.
Custom Service
Tailor-Made Solutions / Design Your Way / Bespoke Options Available. We welcome custom design requests.
Advantages of Lab Emerald
Comply with ethical standards:
Lab grown emerald gemstones captivate with their vibrant green hues and ethical origins. These stunning creations mirror the chemical and physical properties of natural emeralds while offering superior clarity and consistency. Lab grown emeralds are produced in controlled environments, replicating natural formation processes without the environmental impact of mining.
Versatility:
The allure of lab grown emerald jewelry lies in its versatility and timeless elegance. Whether adorning a lab grown emerald ring, necklace, or pair of earrings, these gems add a touch of sophistication to any outfit. Their rich color symbolizes growth and harmony, making lab grown emerald bracelets perfect for both casual and formal occasions.
Lower cost:
Lab-grown emeralds are generally less expensive than natural emeralds of similar quality, offering consumers a more affordable option without compromising on size, color, or clarity.
Customisation:
The process of creating lab-grown emeralds allows for greater flexibility in terms of color, size, and shape, making it easier to meet specific design requirements.
Consistent quality:
Lab-grown emeralds offer more consistency in color, clarity, and size compared to natural emeralds, which often vary due to inclusions and other natural imperfections, making them perfect for matching pieces such as emerald earrings.
Sustainability:
Mining is inherently unsustainable, relying on finite resources and often causing ecological harm, such as habitat destruction and pollution. Lab-grown emeralds have a much lower environmental impact since they don't require excavation or resource depletion. However, their sustainability depends on the energy used—if renewable sources are employed, they become even more eco-friendly.
Specification
|
Material |
Lab Grown Emerald |
|
Color |
Columbia Green,Zambia Green |
|
Shape |
Oval,Heart shape |
|
Carat Weight |
1.0ct |
|
Size |
3x5mm, 4x6mm, 5x7mm, 6x8mm, 7x9mm, 8x10mm, 9x11mm, 10x12mm, 10x14mm, etc. 3x3mm、4x4mm、5x5mm、6x6mm、6.5x6.5mm、7x7mm、8x8mm, etc. |
|
MOQ |
1 pc |
|
Delivery Time |
Send out within 2-3days after payment recieved,10-15days if no stcok. |
|
Packing |
1.Firstly, put the stone in to a fine Jewelry Box. |
Lab-grown emeralds, also known as synthetic or cultured emeralds, are created in a controlled laboratory environment using a process called hydrothermal synthesis. This process involves mimicking the natural conditions under which emeralds form in the Earth's crust. Lab-Grown Emeralds can be grown by means of either hydrothermal or flux processes. They are ideal for crafting stunning pieces like emerald necklaces.
Here's a simplified explanation of the hydrothermal synthesis process:
Raw Materials : The process begins with a mixture of raw materials, including beryllium oxide (BeO) , aluminium oxide (Al₂O₃) , and silica (SiO₂) , which are essential for forming the beryl crystal structure. To achieve the iconic green color of emeralds, chromium oxide (Cr₂O₃) is typically added. In some cases, vanadium may be used as an alternative or additional coloring agent.
High-Pressure Chamber : The mixture is placed in an autoclave (a high-pressure chamber), which is then heated to temperatures between 600 and 800 degrees Celsius .


Hydrothermal Conditions : Water is added to the chamber to create hydrothermal conditions , mimicking the natural environment in the Earth's crust where emeralds form. The pressure inside the chamber can reach 700 to 2000 bars .
Crystal Growth : Over time, the minerals dissolve in the hot water solution and recrystallize, forming emerald crystals. The growth rate and crystal quality can be controlled by adjusting the temperature, pressure, and chemical composition of the solution.
Flux Process:This method uses a molten flux, a substance that lowers the melting point of the raw materials. The materials are dissolved in the flux and heated until emerald crystals form as the mixture cools. Afterward, the crystals are separated from the flux, often using acids to remove any residue.
The resulting lab-grown emeralds are chemically and physically identical to natural emeralds. They are indistinguishable to the naked eye. Specialised tools can reveal subtle differences, such as unique inclusions from the growth process.
Popular Uses of Lab-Grown Emerald Gemstones
Lab-grown emerald gemstones are incredibly versatile and can be used in a wide range of jewelry designs. Here are a few popular options:
Engagement Rings
Emerald engagement rings are a unique and eye-catching alternative to traditional diamond rings. Their rich green color symbolizes love and renewal, making them a meaningful choice for couples.
Necklaces and Pendants
A lab-grown emerald pendant can add a touch of elegance to any outfit. Whether set in gold or silver, these gemstones are a timeless addition to your jewelry collection.
Earrings
Emerald earrings, whether as studs or danglers, bring sophistication and charm to both casual and formal attire.
Bracelets
A bracelet adorned with lab-grown emeralds can make a bold and stylish statement.
Caring for Your Lab-Grown Emerald Gemstone
Avoid Harsh Chemicals: Keep your emerald away from household cleaning agents, as these can damage the stone or its setting.
Clean Gently: Prepare a mild solution of lukewarm water and a gentle dish detergent. Avoid harsh chemicals that can harm the stone. Soak the emerald briefly. Gently scrub it with a soft-bristled brush, such as a toothbrush, focusing on crevices and settings. Rinse thoroughly with clean, lukewarm water. Pat it dry with a soft, lint-free cloth to prevent scratches.Avoid ultrasonic cleaners, as emeralds can be sensitive to vibration.
Store Carefully: Store your lab-grown emerald separately from other jewelry to prevent scratches. Place it in a jewelry box with individual compartments or in soft cloth pouches. Keep it in a cool, dry location away from heat, humidity, and sunlight.
Packaging and Shipping

FAQ
As one of the most professional lab emerald manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy cheap lab emerald for sale here from our factory. Contact us for customized service.
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