Starsgem:Your Professional None Certified Diamond 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.
Types of None Certified Diamond
The none certified diamond produced by our company mainly include the following types:
Lab Grown Radiant Cut Diamond
The radiant cut diamond owes its brilliance to the 70 facets found in its pavilion and crown. The precision of each facet offers immense brilliance and fire. The radiant cut’s brilliance is surpassed only by the round brilliant cut.With carefully beveled corners, Radiants have substantial durability against chips and breakage, making it an excellent choice for those with an active lifestyle.
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Material |
Lab Grown Diamond |
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Color |
DEFGH |
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Clarity |
Vs-vvs |
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Cutting |
Radiant Cut |
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Size |
1CT 2CT 3CT 4CT 5CT (please contact us if you want more size) |
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Fire dispersion |
0.044 (same as real Diamond) |
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Brilliance Refraction Index |
2.42 (same as real Diamond) |
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Relative Density |
3.52 (same as real Diamond) |
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Hardness |
10 (same as real Diamond) |
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Certificate |
If need GI certificate also ok |
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Laser |
Can help to laser your require letter on the diamond,our factory have the laser machine |
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Remark |
Price list, video/picture free provide |
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2 Carat Pear Lab Grown Diamond
A pear cut lab diamond refers to a laboratory - grown diamond that has been cut into a pear shape, also known as a teardrop shape. It combines the curves of a round brilliant diamond with the sharp point of a marquise.
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Weight/size |
2 Carat |
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Shape |
Pear cut |
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Clarity |
VS-vvs |
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Cutting |
Pear cut |
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Color |
DEF color |
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Customization |
Personalized customization acceptable |
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Polished |
Excellent |
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Sample |
Sample order acceptable |
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Character |
Real diamond, physical character same as natural diamond |
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MOQ |
1pcs |
Durability: Radiant-cut diamonds are known for their durability, with beveled corners that help prevent chipping and damage. This is especially beneficial for those who wear their jewelry daily or have an active lifestyle.
Brilliance and Fire: The intricate faceting of a radiant cut, with 70 facets in the pavilion and crown, contributes to exceptional brilliance and fire. This makes them particularly captivating and eye-catching.
Appears Larger: Radiant-cut diamonds have a unique design that makes them appear larger than they actually are. With their wide, elongated shape, they give off the illusion of a bigger diamond—making them perfect for anyone who loves that bold, eye-catching look!
Ethical and Environmental Advantages: Lab-grown diamonds are created in controlled environments, eliminating the need for mining and associated environmental impacts like deforestation and ecosystem disruption. They also offer the peace of mind of knowing they are conflict-free, as they are not linked to the ethical concerns associated with mining.

The Aesthetic Appeal of Pear-Shaped Diamonds
Pear-shaped diamonds, also known as teardrop diamonds, are celebrated for their distinctive shape that combines the traditional round and marquise styles. This hybrid shape results in a diamond that is both modern and classic, offering the best of both worlds. The pointed end provides a contemporary edge, while the rounded end keeps it grounded in timeless elegance.
Versatility
One of the main advantages of a pear-shaped diamond is its versatility. This shape can be oriented in multiple ways, including north-south, east-west, and tilted angles, each offering a different aesthetic appeal. This flexibility allows for a variety of ring settings and designs, making the pear-shaped diamond a highly customizable choice.
Environmental and Ethical Benefits
Lab-grown diamonds are created in controlled environments with minimal environmental impact. The use of renewable energy sources in some production facilities further reduces the carbon footprint associated with their creation. By selecting a lab-grown diamond, you are making a conscious choice to support sustainable practices and reduce environmental degradation.
Cost-Effectiveness and Affordability
One of the most compelling advantages of opting for a 2 carat pear lab-grown diamond is the cost-effectiveness. Natural diamonds come with a hefty price tag due to the extensive mining, cutting, and transportation processes involved. In contrast, lab-grown diamonds can be produced at a fraction of the cost, translating into significantly lower prices for consumers.
A Range of Customization Options
When it comes to personalization, lab-grown diamonds offer endless possibilities for customization. A 2 carat pear lab-grown diamond serves as the perfect canvas for creating unique and individualized pieces that reflect your personal style and preferences.

Protecting the Delicate Tip
One of the most important aspects of caring for your pear cut diamond is protecting its delicate tip. Due to its pointed shape, the tip of a pear cut diamond is particularly vulnerable to chipping and damage. To safeguard the tip, you can choose a setting that features a V-prong on the point, a bezel setting encompassing the entire stone, or a halo setting that offers an additional layer of protection.
Cleaning and Maintenance
Regular cleaning and maintenance are essential for keeping your pear cut diamond looking its best. To clean your diamond, use a soft, lint-free cloth and a mild detergent solution. Gently rub the diamond with the cloth and detergent solution to remove any dirt or debris, then rinse with warm water and dry with a soft, lint-free cloth.
In addition to regular cleaning, it’s a good idea to have your diamond inspected and serviced by a professional jeweler every 6-12 months to ensure its good condition.
Process of Lab Grown Diamonds
CVD (Chemical Vapor Deposition) Diamonds
·Lab-grown diamonds start with a thin slice of diamond seed.
·This seed is placed in a sealed chamber and heated to a high temp.
·The chamber is then filled with carbon-rich gasses.
·A diamond is born when carbon merges with the diamond seed.
·The rough diamond is then cut to exacting standards.
·The end result is a diamond with the same chemical makeup as a natural diamond
HPHT (High Pressure, High Temperature) Diamonds
·A diamond seed is placed in a specialized press.
·The growth chamber of the press is heated to 1300-1600 °C, and the ·pressure applied is above 870,000 pounds per square inch.
·Molten metal dissolves the carbon source.
·Carbon atoms trigger the growth of a small diamond seed crystal.
·A lab-grown diamond is cultivated and then cut to meet exacting standards.
·The final result is a diamond with the same chemical composition as a natural diamond.
Packaging and Shipping

FAQ
As one of the most professional none certified diamond manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy cheap none certified diamond for sale here from our factory. Contact us for customized service.
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