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Tianyu Gems-focusing on jewelry production for over 25 years, the custom jewelry manufacturers/ experts around you.

Lab Grown Diamond

Lab diamond is one of the most high-end products in Tianyu Gems. The lab diamonds are IGI certificates and most CVD diamonds can pass the diamond tester. Lab grown diamonds are chemically the same as natural diamonds and are hard to tell apart from them without special instruments to distinguish them.

Moreover, it also has a refractive index almost identical to natural diamonds (2 .41 ~ 2 .42), but the price is cheaper than natural diamonds, which is suitable for the jewelry industry to make high-quality goods, such as rings, necklaces, and so on. As one of the leading manufacturers and exporters of lab diamonds, Tianyu Gems Lab Diamond Factory has its own in-house R&D team to develop exclusive products, focusing on wholesale lab-grown diamonds. With many years of experience in the industry, Tianyu Lab Diamond Supplier provides excellent quality products that are competitively priced, making us a preferred choice among our customers around the world. 

Discover a treasure trove of cultivated diamonds! While not all are showcased on our website, our dedicated sales team will assist you in handpicking the perfect cultured gem for your desires. Contact us today and unearth the brilliance of our exquisite selection!

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Tianyu gems IGI certified 1.136ct Cushion Cut Fancy Blue Loose CVD/HPHT Diamond Fancy Colors Lab Diamond
Tianyu Lab Grown Diamond IGI certified 1.136ct Cushion Cut Fancy Blue Loose CVD/HPHT Diamond creation relies on mature R&D technology and precise market positioning, as well as years of painstaking research.Moreover,customized product is also offered to meet specific requirements of customers.
Tianyu gems loose color lab diamonds hthp blue diamonds 1ct asscher cut customized Fancy Colors
Tianyu Gems loose color lab diamonds hthp blue diamonds 1ct asscher cut customized adopt a variety of technologies in the production.The good market feedback and customer reputation have allowed it to stand out in the fierce market competition and better respond to the ever-changing market changes.What's more customized services are available.
Tianyu gems Round Brilliant Cut Diamond 1.16ct F VS2 VG White Loose Lab Grown Diamonds with IGI Certificate In Stock
Our employees are well trained to be skilled at applying technology to the Wholesale Factory Prince Round Brilliant Cut Diamond 1.16ct F VS2 VG White Loose Lab Grown Diamonds with IGI Certificate manufacturing process. It has been continually proved that it can be widely used in the application field(s) of Loose Diamonds.
Tianyu gems 1.53ct Radiant Cut Yellow Lab Grown IGI Certified HPHT/CVD Loose Diamond Price For Ring Fancy Colors
We provide you high quality Tianyu Wholesale 1.53ct Radiant Cut Yellow Lab Grown IGI Certified HPHT/CVD Loose Diamond Price For Ring to meet diverse commercial, residential and industrial requirements. Our product are made with hi-tech and scientific standards to make sure our paints stay for a longer period of time providing users the best Loose Gemstone experience ever.Experience Tianyu gems for an enhanced experience of trading connecting millions of buyers and suppliers by providing the best products.
Tianyu gems Lab Grown Pear Cut H VS2 1.14ct CVD Loose Diamond With IGI Certificate
Our technicians have strong abilities to develop and optimize technologies. We have to admit that technologies play an important in the Tianyu Lab Grown Pear Cut H VS2 1.14ct CVD Loose Diamond With IGI Certificate manufacturing process.It is used mainly in the field(s) of Loose Gemstone now.
Trapezoid Cut Lab Grown Diamond
Trapezoid lab-grown diamonds are a timeless choice for side stones in fine rings, prized for their clean lines and elegant symmetry. Cut into a distinctive trapezoid shape, these diamonds are perfect for flanking a center stone—especially emerald, radiant, or Asscher cuts—enhancing its brilliance while adding a sophisticated, balanced look. Hand-cut with precision, trapezoid diamonds offer excellent light performance and a sleek, modern aesthetic. Their tapered form draws the eye inward, making the center stone appear larger and more prominent. Ideal for classic three-stone engagement rings or custom high-end designs, trapezoid diamonds bring both structure and sparkle to any setting.
Antique 0.5ct Lab Grown Diamond Letter J
Letter-shaped lab-grown diamonds can be used creatively in jewelry pieces such as initial pendants, personalized gifts, or custom-designed accessories. They offer a unique and meaningful way to express personal style or commemorate special occasions.
0.5ct Bullet Shape Antique Lab Grown Diamond
Bullet Diamond, a unique and exquisite loose stone designed for those who appreciate modern elegance. This bullet-shaped diamond is expertly cut to maximize brilliance and sparkle. Each diamond is hand-selected for superior clarity and color, ensuring top quality. Perfect for creating custom jewelry, the Bullet Diamond adds a sleek and sophisticated touch to any design. Elevate your creations with the distinctive allure of our Bullet Diamond.
Customized Alphabet Diamond Letter B manufacturers From China | Tianyu gems
Letter-shaped lab-grown diamonds can be used creatively in jewelry pieces such as initial pendants, personalized gifts, or custom-designed accessories. They offer a unique and meaningful way to express personal style or commemorate special occasions.Alphabet Diamond Letter B  compared with similar products on the market, it has incomparable outstanding advantages in terms of performance, quality, appearance, etc., and enjoys a good reputation in the market.Tianyu gems summarizes the defects of past products, and continuously improves them. The specifications of Alphabet Diamond Letter B can be customized according to your needs.
Unique Animal Shape Butterfly Lab Grown Diamond
This could be a diamond that is cut into the shape of a butterfly. While uncommon, fancy-cut diamonds can be crafted into unique shapes, including butterflies. These are more of a custom or specialty design.
Tianyu gems Wholesale Radiant Cut 2.33ct F VS1 Lab Grown CVD White Loose Diamond IGI Certified In Stock
The use of highly advanced technologies contributes to the safe and efficient manufacturing of the product.At present, Tianyu Gems Wholesale Radiant Cut 2.33ct F VS1 Lab Grown CVD White Loose Diamond IGI Certified can be widely seen in the application scope(s) of Loose Diamonds.
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PRODUCT CENTER

The Popular Colored Lab Diamond

Welcome to TianyuGems, where brilliance meets a kaleidoscope of hues in the realm of cultivated diamonds. Embrace the allure of our stunning collection, featuring an exquisite spectrum of blues, pinks, yellows, and reds, meticulously crafted to captivate the senses and elevate your offerings.


Envision the elegance of our striking blue diamonds, reminiscent of the ocean's depths, or the delicate charm of our blush-pink diamonds, exuding grace and sophistication. Bask in the radiance of our vibrant yellow diamonds, evoking the warmth of sunshine, or the fiery passion embodied in our luxurious red diamonds, symbolizing love and vitality.


With our commitment to unparalleled craftsmanship and uncompromising quality, each diamond is a testament to our dedication to perfection. Elevate your inventory with the allure of these resplendent hues, enhancing your brand's distinction and captivating the discerning eyes of your esteemed clientele.

Yellow Lab Grown Diamond
Radiant and vibrant yellow shade, exuding warmth and energy, appealing to customers seeking bold and unique statement pieces. Affordability compared to natural yellow diamonds, offering an excellent value proposition for customers looking for high-quality, budget-friendly options. Exceptional durability and resilience, ensuring long-lasting beauty and appeal, making them a reliable choice for everyday wear.
Blue Lab Grown Diamond
Striking and rare blue hue, creating unique and mesmerizing jewelry pieces. Elegantly versatile, suitable for both modern and classic designs, appealing to a wide customer base. High clarity and brilliance, accentuating the beauty of the blue shade, captivating the attention of discerning buyers.
Pink Lab Grown Diamond
Delicate and romantic pink color, symbolizing love and tenderness, making them ideal for engagement and special occasion jewelry. Exceptional rarity, creating an aura of exclusivity and luxury, attracting customers seeking distinctive and sophisticated pieces. Dazzling brilliance and fire, enhancing the charm of the pink hue, ensuring a captivating and alluring sparkle.
Red Lab Grown Diamond
Rare and intense red color, evoking passion and vitality, making them coveted gems for creating powerful and distinctive jewelry pieces. Unparalleled exclusivity, as red diamonds are one of the rarest diamond colors, appealing to customers who desire exceptional and collectible pieces. Exceptional hardness and brilliance, complementing the fiery red hue, ensuring enduring beauty and allure, captivating the most discerning clientele.
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Tianyu Lab Diamond Workshop

Our expansive inventory comprises an impressive selection of over 50,000 CVD diamonds readily available in stock. This abundance allows us to facilitate swift and hassle-free deliveries, eliminating any concerns regarding stock availability and enabling us to promptly fulfill your orders with utmost efficiency and reliability.
We have 50 high skilled workers with over 10 years' experience, and advanced equipment to ensure that any of your custom needs are met. Old European Cut and Old Mine Cut Lab Diamond also can be customized. MOQ only 1 piece. We also can do Cutting Services.
Feel free to connect with us to discuss your bespoke requirements and experience firsthand the superior craftsmanship and convenience that we bring to every aspect of our service.

China Lab Diamond VS India Lab Diamond

When it comes to the global market for lab grown diamonds, China, India, and the United States are the primary production hubs, with China accounting for 40%-50% of the total global production, followed by India with a share of 15%-20% and the United States with 10%-15%. However, customers often express concerns about the higher prices of Chinese cultivated diamonds compared to those from India, despite China's substantial production volume being equipped with IGI certification.

The disparity in prices can be attributed to variations in testing standards among the various certification institutions worldwide. Each of the several inspection bodies globally places emphasis on different aspects. Some branches focus on precision cutting, while others prioritize color grading or clarity assessment. In the case of the Indian IGI, the standards for clarity evaluation are relatively lenient, leading to a higher probability of downgrading. For instance, an SI1 might be graded as a VS2.


China's lab grown diamonds, on the other hand, undergo stringent quality control measures that prioritize precise cutting, impeccable color grading, and exceptional clarity assessments. This meticulous approach ensures that each diamond attains a higher standard of quality, resulting in a premium pricing structure that reflects the superior craftsmanship and precision associated with Chinese cultivated diamonds.

FAQ

The target market of our brand has been continuously developed over the years.

Now, we want to expand the international market and confidently push our brand to the world.

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The Science of Tri-Tone Gold: Why Color Fading Happens and Solutions

This article explores the science behind tri-tone gold jewelry and explains why color fading occurs over time. Tri-tone gold combines yellow, white, and rose gold alloys, each created by mixing pure gold with different metals such as copper, silver, and palladium. While this combination creates a visually striking contrast, it also introduces varying levels of chemical reactivity and durability. The article highlights both intrinsic factors—such as alloy composition, copper oxidation, and rhodium plating thickness—and extrinsic factors like exposure to chemicals, moisture, and daily wear, all of which contribute to fading and discoloration.

In addition to explaining the causes, the article provides practical solutions to maintain and restore the original beauty of tri-tone gold. Preventive care, including proper cleaning, storage, and avoiding harsh chemicals, plays a crucial role in slowing down fading. Professional treatments such as rhodium re-plating and polishing are recommended for restoring worn pieces. The article also offers buying advice, emphasizing the importance of higher gold purity and quality craftsmanship. Overall, it serves as a comprehensive guide to understanding, preventing, and managing color fading in tri-tone gold jewelry.

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The Complete Guide to Jewelry Settings: How to Stop Losing Stones and Start Choosing Smarter

Jewelry settings play a crucial role in determining a gemstone's security, durability, and brilliance. While many buyers focus primarily on the size or quality of the stone, the setting itself is the structural foundation that keeps the gemstone safe and enhances its visual impact. From classic prong settings that maximize sparkle to highly secure bezel settings designed for active lifestyles, each type of setting offers unique advantages and trade-offs.

This comprehensive guide explores eight of the most common jewelry setting styles, including prong, bezel, pavé, invisible, flush, tension, channel, and shared prong settings. Each setting is evaluated based on brilliance, security, durability, and risk of stone loss, helping readers understand which option best suits their lifestyle and jewelry preferences. The guide also provides practical advice on inspecting jewelry at home, using simple visual, tactile, auditory, and light tests to detect early warning signs of loose stones.

Whether you are purchasing an engagement ring, wedding band, or fine jewelry piece, understanding setting design is essential for making a smart investment. By choosing the right setting and maintaining regular inspections, jewelry owners can significantly reduce the risk of stone loss and ensure their treasured pieces remain beautiful and secure for years to come.

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What are the materials used in fine jewelry?
Fine jewelry is made from high-quality materials such as gold, platinum, and sterling silver. These materials are often combined with precious gemstones like diamonds, rubies, sapphires, and emeralds to create stunning pieces.
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How do I choose the perfect engagement ring?
Choosing the perfect engagement ring can be overwhelming, but there are a few factors to consider. Think about your partner's personal style, their daily activities, and your budget. It's also important to choose a ring that you love and that will stand the test of time.
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How do I know what earring styles will complement my face shape?
Certain earring styles may flatter certain face shapes more than others. For example, hoop earrings can elongate a round face, while stud earrings can complement a heart-shaped face. It's important to try on different styles and see what looks best on you, regardless of what may be considered "flattering" for your face shape.
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What are the must-have earring styles for every fashion-forward woman?
The must-have earring styles for every fashion-forward woman are stud earrings, dangle earrings, chandelier earrings, hoop earrings, and statement earrings. Within each style, there are various designs and materials to choose from, allowing you to customize your earring collection to fit your personal style.
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What is the best length for a pendant necklace?
The best length for a pendant necklace depends on your height and the neckline of your outfit. As a general rule, pendant necklaces look best when they fall just above the bustline.
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How do you layer necklaces with different styles?
When layering necklaces with different styles, it's best to start with a statement piece and build around it. This will help create a cohesive and stylish look.
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What if my necklaces tangle when I layer them?
To prevent tangling, layer your necklaces carefully and untangle them as you go. You can also use a necklace extender or a layering necklace to keep your necklaces separated.
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What are some common types of hip hop jewelry?
Some common types of hip hop jewelry include gold chains, oversized earrings, diamond-encrusted watches, and custom-made pendants.
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How much does hip hop jewelry cost?
Hip hop jewelry can range in price from a few hundred dollars to several hundred thousand dollars, depending on the size and quality of the piece. Custom pieces can also be more expensive.
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How do I know if a Cuban link chain is the right length for me?
To determine the right length for your Cuban link chain, measure the circumference of your neck, and add 2-3 inches to allow for movement and comfort.
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How can I tell if a piece of jewelry has been plated?
Plated jewelry will have a thin layer of metal on the surface, which may wear off over time and reveal a different metal underneath.
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How often should I clean my jewelry?
It's recommended to clean your jewelry regularly, ideally after every use, to prevent buildup of dirt and oils.
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What is the most popular type of engagement ring?
Solitaire rings are the most popular type of engagement ring.
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The first thing Tianyu Gems lab grown diamond manufacturers do is meeting with our clients and talk through their goals on a future project. During this meeting, feel free to communicate your ideas and ask lots of questions.

Wuzhou Tianyu Gems Co., Ltd. located in the world renowned artificial gem city-Wuzhou, Guangxi, was founded in 2001. We are a professional high-end gem processing and custom jewelry manufacturer. We specialized in solid gold, 925 sterling silver fine jewelry, 24K pure gold jewelry, Lab grown diamond, moissanite, synthetic emerald, lab grown gemstone etc.
 Tel/ WhatsApp: +86 13481477286
 Address: No.69 Xihuan Road Wan Xiu District, Guangxi Zhuang Autonomous Region, China
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