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

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Hot Products

Tianyu Gems is the best custom jewelry and lab grown diamond manufacturers, we specialized in pure solid gold(10k,14K,18K,PT950), 925 silver, silver plated gold fashion jewelry, Lab grown diamond, moissanite, synthetic emerald ect.

18k White Gold 4 Prongs Moissanite Halo Ring
Material: Moissanite 14k/18k rose goldStone Color: whiteStone Size, Quantity: 6.5mm*2pcsShape: RDWeight: About 2.39g
Pt950 White Moissanite Six Prong Diamond Ring
Material: Moissanite 14k/18k white gold ringStone Color: DEFStone Size, Quantity: 2CT*1pcShape: RDWeight: About 3.4g
Tianyu Gems Lab Grown Diamond Bracelet 4mm Custom Women Lab Tennis Bracelet
As a lab grown diamond factory, Tianyu Gems has been innovating and developing in custom jewelry production. Compared to other similar products in the market, this 14k/18k lab tennis bracelet has more advantages and uniqueness. In terms of price, it has a very high cost performance. Although it is not inexpensive, when you consider its good quality and multiple functions, you will find that it is actually a great value!
Pt950 4 Prong Cushion Moissanite Diamond Ring Moissanite Jewelry Supplier
Material: Moissanite 14k/18k white gold ringStone Color: DEFStone Size, Quantity: 9.9mm*1pcsShape: RDWeight: About 3.6g
Tianyu Gems 14K White Gold Lab Grown Diamond Earrings With Three Claws
Round diamonds are by far the most common and popular diamond shape; these Lab Grown Diamond Earrings are both classic in style and charming in character, with a simple design concept that brings out the natural beauty of each diamond.
Tianyu Gems Lab Grown Diamond Ring Yellow Gold Oval Engagement Ring
Oval cut diamonds are a great choice if you like the smooth, rounded shape of a round-cut diamond but want a larger gem on a tighter budget! As a lab grown diamond manufacturer, Tianyu Gems 18k yellow gold lab grown diamond wedding band might be a good choice!
14k/18k CVD Diamond Ring White Gold Lab Grown Engagement Ring Sets Manufacturer
Material: CVD diamond 14k/18k white goldStone Color: DEFStone Size, Quantity: 6.35*8.76mm*1pcs; 3.0mm*20pcs; 1.8mm*20pcs; 1.2mm*20pcsShape: Oval cut&RDWeight: About 6.8gTianyugems 14K/18k solid white gold lab grown cvd diamond engagement ring sets manufacturer  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 Tianyugems 14K/18k solid white gold lab grown cvd diamond engagement ring sets manufacturer can be customized according to your needs.
Tianyu Gems Customized Emerald Cut Moissanite Wedding Rings
Material: 18K yellow goldStone: 1.5*3mm emerald cut moissaniteGold weight: about 3.34g
Tianyu gems real fine white gold jewelry 5 stones round cut HPHT lab diamond
Material: 14k white goldStones: round hpht lab diamondGold weight: 3.4g
14k White God Moissanite Tennis Bracelet
Material: Moissanite 14k/18k rose goldStone Color: WhiteStone Size, Quantity: 3mm*54pcsShape: RDWeight: About 12g
Tianyu Gems 2.30 carats H color VS2 clarity 14K white gold exquisite and elegant  lab cultivation diamond ring
2.30 carat Radiant main diamond; simple four-prong setting for outstanding diamond fire.
Tianyu Gems 14K white gold  lab grown diamond classic four claw diamond ring women's ring proposal three diamond ring
The side of the ring is hollowed out, the main diamond is a emerald cut lab grown diamond, and the side stones are two T-square 5*3*2 diamonds; high-quality 14k gold material, no need to worry about blackening, allergies, fading and other problems
Tianyu Gems Green Moissanite Ring Rhombus 18K Wedding Ring For Women
18K Dutch marquise cut green moissanite diamond women's wedding ring in yellow gold is a customized style at Tianyu Gems gold jewelry wholesale vendors. We offer a wide range of wholesale engagement ring collections for you to choose and customize.
Tianyu gems emerald cut moissanite diamonds pure 14k gold Cocktail ring set
Material: 14K yellow goldGemstone Size: 7*10.5mm/2*4mm*28pcs /1.0mm*26pcs/    Gold Weight(g): about 3.5g/2.8g   clarity: VVS    shape: emerald cut
Tianyu Gems Radiant Cut Lab Grown Diamond Engagement Rings 14k Yellow Gold Ring
With its high-quality lab-grown diamonds and 14K gold band, Radiant engagement ring perfectly illustrates the true meaning of modern love. It is not only a ring, but also a crystallization of technology and beauty, a symbol of every couple's common pursuit of a better life. On this special occasion, pick Radiant engagement ring, let love and technology walk together to create a better future.
Tianyu customized 14k/18k yellow gold necklace 4.5mm round heart&arrow cut colorless moissanite necklace
The core competitiveness of a product is its features. Our product is made of raw materials that have passed the strict tests carried out by professional staff. The product is made to be of and other superior advantages. Moreover, its appearance design is highly emphasized because it may lead the industry trend.
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Why Choose Tianyu Gems
TianyuGems is the professional custom jewelry and lab grown diamond manufacturers. With more than 25 years experience and professional trade team, we are right here to offer you the best products with the most competitive price. 
Customized On Demand
You provide the design ideas, and we generally will give you a solution in 1 working days. Easier custom jewelry manufacturing.
Great Support
The staff you interface with are experienced and certified in their English language skills, And regular learning of industry knowledge. Providing 24/7 one-on-one support.
Quality Guaranteed
All Tianyu Lab Diamonds with IGI certificate; GRA, GRC, NCTC, NGIC, GDTC for gemstone and jewelry; And all our products get 5 times quality tested before shipping.
Lifetime Warranty
With our after-sales service card, We provide a Lifetime Warranty that applies to your purchase of fine jewelry.
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How do we grow your business?

 Start Your Jewelry Business with Our Free Product Images, Videos, and CAD Drawings And Expand Your Product Range without any Extra Costs!
We have 30 production lines and 50 machines to ensure that any of your custom needs are met.
Free design service from us, and we will design the best fine jewelry for you.
As your partner in manufacturing, we are committed to producing the highest quality goods and services. We also support ongoing training for our staff and believe in continuous improvement for people and processes.
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About Tianyu Gems

Wuzhou Tianyu Gems Co., Ltd located in the world renowned artificial gem city-Wuzhou, Guangxi, China, is a factory with over 25 years of experience in jewelry customization, specializing in the production and sale of high-end quality Moissanite, Hydrothermal Emeralds, Lab Grown Gemstone and Lab-grown Diamond, Fine Jewelry, 24K pure gold jewelry. We lab grown diamond manufacturers take great pride in offering our customers a wide range of stunning and unique jewelry options, all created with the highest level of care and attention to detail. Whether you are looking for a timeless engagement ring or a modern statement piece, our commitment to quality and customer satisfaction is evident in everything we do.

 All main stone can be customized, such as moissanite, lab grown gemstone.

 Free CAD Jewelry design with quick response.

 Your designs will be strictly protected through NDA.

 Serving top brands and retailers across 30 countries/regions.

The Exhibition
Dive into a world of elegance and allure at our Jewelry Exhibition, where each piece tells a story of timeless beauty and craftsmanship. Join us as we celebrate the artistry and sophistication of fine jewelry, showcasing exquisite designs that capture the essence of luxury and style.
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Customer Cases
Tianyu Gems - Professional Diamond Jewelry Manufacturers & Lab Grown Diamond Manufacturers.
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Info Center

Find the world of exquisite diamond jewelry with Tianyu Gems - one of the leading Diamond Jewelry Manufacturers in the industry.

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.
2026 03 20
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.
2026 03 25
Discover the wonders of birthstones
Birthstones are valuable gifts given to people born in each month of the calendar, often as a greeting on birthdays or anniversaries.
2022 09 01
The Allure of Ruby Gemstones: A Comprehensive Guide
Discover the captivating world of ruby gemstones, a symbol of love and passion that has fascinated people for centuries. Our comprehensive guide delves into the rich history, stunning varieties, and market trends surrounding these exquisite gems. From the coveted "pigeon blood" rubies of Myanmar to the vibrant stones mined in Mozambique, we explore what makes each ruby unique and valuable. Learn about the various treatments that enhance ruby quality, ensuring you make informed decisions about purchasing for personal use or investment. Our article also addresses common questions about authenticity, care, and maintenance, providing essential tips to keep your ruby jewelry looking its best. With the global gemstone market projected to grow significantly in the coming years, now is the perfect time to explore the potential of rubies as an investment. Join us to uncover everything you need about ruby gemstones and elevate your knowledge of this timeless treasure. Click to read more and unlock the secrets of rubies today!
2025 01 21
15 Types of Popular Green Gemstones
Step into a world of mesmerizing beauty as we delve into the enchanting realm of green gemstones. With their rich, vibrant hues, these precious stones captivate the eye and offer a unique allure that can transform any piece of jewelry into a true masterpiece. From the deep emerald greens of emeralds to the translucent glow of peridots, green gemstones infuse any design with a fresh and natural vibe.

As you embark on this journey to uncover the hidden beauty of green gemstones, you'll discover the fascinating history and symbolism behind each stone. Explore the lore and legends associated with emeralds, known as the gem of Venus, the Roman goddess of love and beauty. Dive into the mysteries behind the captivating shade of jade, a stone revered for its spiritual and healing properties.
2024 08 29
Discover the Top 10 Pearl Jewelry Brands in China
In this article, we will take you on a journey through elegance as we explore the top 10 pearl jewelry brands in China. From timeless classics to cutting-edge designs, these brands have mastered the art of creating stunning pieces that capture the essence of sophistication. With a deep understanding of pearls' allure and meticulous craftsmanship, they effortlessly combine tradition with innovation to offer a wide range of jewelry for every style and occasion.
2024 05 18
A Comprehensive Guide of Purple Gemstone Types
From deep amethysts to radiant tanzanites, these gems are not only beautiful but also hold deep meanings and incredible energy. In this comprehensive guide, we'll unlock the secrets and properties of various purple gemstone types, helping you choose the perfect gem to match your style and desires.
2024 11 22
Don’t Toss It! 5 Quick Tricks to Restore Shine to Tarnished Brass Jewelry
Brass jewelry is loved for its warm color and timeless appeal, but it naturally tarnishes over time due to oxidation. This article explains why brass jewelry darkens and introduces five simple, practical methods to restore its shine using everyday household items. From light surface dullness to heavy tarnish, each cleaning technique is designed to be safe, effective, and easy to follow. In addition, the article provides essential care and storage tips to help slow oxidation and extend the lifespan of brass jewelry. Whether you prefer a bright polished finish or appreciate the charm of a natural patina, this guide will help you keep brass jewelry looking its best.
2026 02 02
The Complete Guide to Sterling Silver Jewelry: Understanding Quality, Sensitivity, and Longevity
Sterling silver jewelry, commonly marked as 925 silver, is valued for its balance of beauty, durability, and affordability. Made from 92.5% pure silver and 7.5% strengthening metals, sterling silver is suitable for everyday wear while supporting intricate jewelry designs. However, due to its natural chemical properties, sterling silver can tarnish over time when exposed to air, moisture, cosmetics, and skin oils.
This guide explains the science behind silver oxidation, electroplating techniques such as gold and rhodium plating, and how plating thickness directly affects color longevity. It also clarifies common misconceptions about silver jewelry and sensitive skin, showing that true silver allergies are rare and often caused by nickel or low-quality alloys rather than silver itself.
In addition, the article provides practical care tips, including proper cleaning methods, storage solutions, and daily wear habits to help extend the lifespan of sterling silver jewelry. Ideal for consumers and jewelry professionals alike, this guide helps readers make informed, long-lasting choices when selecting high-quality sterling silver jewelry.
2026 02 11
How to Tell The Difference Between Platinum, Silver and White Gold
In the world of exquisite jewelry and precious metals, the fine line that separates platinum, silver, and white gold may not always be apparent to the untrained eye. These three metals boast an undeniable allure, each with its unique attributes and aesthetic appeal. In this article, we delve into the intricate details of platinum, silver, and white gold, shedding light on the characteristics that distinguish them from one another.
2023 09 12
Points to note for jewelry customization
True jewelry customization creates unique jewelry for the client by combining the client's requirements and the designer's perception after understanding the client's needs in depth. It is truly personal and unparalleled.
The jewelry customization process includes drafting, drawing, creating 3D animation templates, and finally, creating wax films, after which you will have your great piece in 2 to 4 weeks.
You can express your heart's desire and beautiful vision through your customized gemstones. Tell our designers your ideas, and they will design your custom jewelry according to your description.
You can get inspiration for your custom jewelry from several sources: horoscope, clothing, hair length, nail art, the birthday of a family member, customizing for a loved one, etc., as well as rings, bracelets, earrings, necklaces, and other jewelry can be customized as jewelry.
Jewelry customization can be long-lasting and keep your jewelry on the front line of fashion.
You can do simple jewelry cleaning at home, but please be gentle with your stones and avoid using ammonia or oil-based cleaning products that can damage or dull them.
There is no harm in customizing your jewelry, so I hope everyone will choose custom jewelry and customize a unique and priceless piece of jewelry for themselves.
2022 08 11
A Comprehensive Guide to Brown Gemstone Types
Are you fascinated by the rich and versatile hues of brown gemstones? If so, you've come to the right place. In this comprehensive guide, we'll delve deep into the world of brown gemstone types, unlocking their unique beauty and timeless allure.

From earthy and warm tones to deep and luxurious shades, brown gemstones offer a wide range of colors that can complement any style and personality. Whether you're a gemstone enthusiast or simply looking to add a touch of natural elegance to your jewelry collection, this guide will help you navigate through the different types of brown gemstones and discover which ones align with your personal taste and preferences.
2024 12 02
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Leave A Message

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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