Lab Grown Diamond, CVD Diamond Manufacturers & Suppliers, Factory

Messi Jewelry — Lab-Grown Diamond Jewelry Manufacturing for Brands & Retailers.

Since 2013

Serving Jewelry Businesses

10,000 +

Clients Served

5,000+

Pieces of Gold Jewelry / Month

Since 2013

Serving Jewelry Businesses

10,000 +

Clients Served

5,000+

Pieces of Gold Jewelry / Month

Since 2013

Serving Jewelry Businesses

10,000 +

Clients Served

5,000+

Pieces of Gold Jewelry / Month

Jewelry Solutions For Your Business

From custom manufacturing to ready-to-ship styles, we support your business with lab-grown diamond sourcing, CAD development and flexible order quantities.

From custom manufacturing to ready-to-ship styles, we support your business with lab-grown diamond sourcing,

CAD development and flexible order quantities.

Jewelry Retailers

Style Sourcing · Custom Jewelry

Explore available jewelry styles and custom manufacturing for your customers’ orders, with support for diamond selection and design confirmation.

Social Media Sellers

Flexible Orders · Style Selection · Visual Support

Explore available styles, discuss order quantities and ask about the photos and videos available for the jewelry you plan to sell.

E-Commerce Jewelry Brands

Collection Development · Visual Support

Develop your collection with OEM/ODM manufacturing support. Discuss design specifications, materials and order quantities for your brand.

Jewelry Designers

Custom Jewelry · NDA Support

Bring your sketches or concepts into CAD development and manufacturing. Discuss stone selection, metal options and NDA support for original designs.

About Messi Jewelry

Messi Jewlery specialized in manufacturing Lab Grown Diamond and Customized Lab Diamond Jewelry

Lab diamond factory direct prices are absolutely unbeatable

Over 3000 piece IGI certificate diamond in stock

Superior quality, satisfaction guaranteed

About Messi Jewelry Company Overview

Established in 2013 , WUZHOU MESSI GEMS CO., LTD specializes in manufacturing lab-grown diamonds and lab-grown diamond jewelry.

After years of development, we have built a comprehensive production and service system covering everything from loose diamond customization to high-end jewelry. With extensive experience in foreign trade sales, we have served more than 10,000 clients across 150+ countries.

Diamond Production

With 2 production lines for lab-grown diamonds, we produce 10,000 carats of lab-grown diamonds per month.

Jewelry Manufacturing

Our jewelry manufacturing operations have 4 production lines and dedicated departments for drawing, modeling, stone setting, polishing, and order supervision, with a monthly output of 5,000 pieces of gold jewelry. We can fulfill both personalized custom orders and mass production requests.

Professional Expertise and OEM/ODM Services

We take pride in our IGI Polished Diamond Graders and our professional, experienced diamond sales team. We welcome your designs and specifications for OEM or ODM projects.

International Exhibitions

To stay at the forefront of the industry, we participate annually in renowned exhibitions such as JCK in Las Vegas, United States; Inhorgenta Munich in Germany; International Jewellery Tokyo in Japan; the Hong Kong International Gems Fair; and the Shanghai exhibition.

2 Lines

Production Lines for Lab-Grown Diamonds

4 Lines

Production Lines for Fine Jewelry Manufacturing

2013

Foreign Trade Team Established

150+

Sold to 150+countries worldwide

2 Lines

Production Lines for Lab-Grown Diamonds

4 Lines

Production Lines for Fine Jewelry Manufacturing

2013

Foreign Trade Team Established

150+

Sold to 150+countries worldwide

2 Lines

Production Lines for Lab-Grown Diamonds

4 Lines

Production Lines for Fine Jewelry Manufacturing

2013

Foreign Trade Team Established

150+

Sold to 150+countries worldwide

Customized Jewelry

Bring your design idea, reference image or sample details to Messi Jewelry. We support custom jewelry projects with CAD development,

diamond selection and manufacturing based on your approved specifications.

Share Your Requirements

Send your design reference, preferred metal, diamond specifications, quantity and target delivery date.

Confirm Specifications & CAD

Review the CAD, dimensions, stone selection, metal specifications and quotation before approving production.

Move into Production

Production follows the approved design and agreed specifications. Confirm the production schedule for your project before placing the order.

Review Before Shipment

HD photos and videos of the finished jewelry will be provided for final checking. The finished jewelry piece is considered to be the same as the CAD drawing and agreed by you upon receipt of your final confirmation and approval of shipment

Share Your Requirements

Send your design reference, preferred metal, diamond specifications, quantity and target delivery date.

Confirm Specifications & CAD

Review the CAD, dimensions, stone selection, metal specifications and quotation before approving production.

Move into Production

Production follows the approved design and agreed specifications. Confirm the production schedule for your project before placing the order.

Review Before Shipment

• 18K, 14K, 10K, 9K Gold

• PT950, 925 Silver Available

• MOQ from 1 piece

• NDA Support

• For Original Designs

• 99.9% Order Satisfaction

• 2-day CAD drafting | Production : 7-15 days

Start Your Custom Project >

Lab-Grown Diamond Jewelry

Explore 1,000+ ready-to-ship jewelry styles and custom options for your business. Contact us to confirm availability,

metal options and diamondspecifications for your selected designs.

• Solitaire Ring

• Halo Ring

• Eternity Ring

• Thress Stone Ring

• Earrings

• Necklace

• Tennis Bracelet & Necklace

0.1-30CT Lab Grown Diamond

Explore factory-direct lab-grown diamonds at wholesale prices, with 30,000+ diamods in our overall inventory—including 0.1–30 ct

options for statement jewelryand custom projects. Contact us to confirm availability, shapes, colors and grading report options.

Lab Grown Diamond Shape

Explore lab-grown diamonds in the shapes shown below. For custom cutting, share your target shape and dimensions so we can confirm feasibility and available options.

• Round Lab Grown Diamond

• Oval Lab Grown Diamond

• Emerald Lab Grown Diamond

• Princess Lab Grown Diamond

• Asscher Lab Grown Diamond

• Radiant Lab Grown Diamond

• Cushion Lab Grown Diamond

• Pear Lab Grown Diamond

• Heart Shaped Lab Grown Diamond

• Marquise Lab Grown Diamond

Lab Grown Diamond Shape

Explore lab-grown diamonds in the shapes shown below. For custom cutting, share your target shape and dimensions

so we can confirm feasibility and available options.

• Round Lab Grown Diamond

• Oval Lab Grown Diamond

• Emerald Lab Grown Diamond

• Princess Lab Grown Diamond

• Asscher Lab Grown Diamond

• Radiant Lab Grown Diamond

• Cushion Lab Grown Diamond

• Pear Lab Grown Diamond

• Heart Shaped Lab Grown Diamond

• Marquise Lab Grown Diamond

Lab Grown Diamond Shape

Explore lab-grown diamonds in the shapes shown below. For custom cutting, share your target shape and dimensions so we can confirm feasibility and available options.

• Round Lab Grown Diamond

• Oval Lab Grown Diamond

• Emerald Lab Grown Diamond

• Princess Lab Grown Diamond

• Asscher Lab Grown Diamond

• Radiant Lab Grown Diamond

• Cushion Lab Grown Diamond

• Pear Lab Grown Diamond

• Heart Shaped Lab Grown Diamond

• Marquise Lab Grown Diamond

Fancy Color Lab Diamond

Explore 6,000+ fancy-color lab-grown diamonds in stock for your custom jewelry projects. Contact us to confirm available colors, sizes, shapes and grading report options.

Fancy Color Lab Diamond

Explore 6,000+ fancy-color lab-grown diamonds in stock for your custom jewelry projects. Contact us to confirm available colors,

sizes, shapes and grading report options.

5-20CT Lab Diamond

We boast a vast inventory of lab diamonds, ranging from 1CT to 20CT with ample supply

• Blue Lab-Grown Diamonds

• Pink Lab-Grown Diamonds

• Yellow Lab-Grown Diamonds

• Green Lab-Grown Diamonds

Custom Case

Messi Jewelry has served 10,000+ clients across 150+ countries worldwide. Explore selected custom jewelry projects,
from initial concepts and CAD development to finished pieces.

Successful Cases

Recent & Upcoming Exhibition

Explore highlights from our recent exhibition and contact our team to discuss jewelry samples,

sourcing or custom manufacturing.

Jewellery & Gem WORLD Hong Kong

Booth: 3B532

Time: September 16-20, 2026

Add: Hong Kong Convention and Exhibition Centre.

Meet our team, explore jewelry samples, and discuss your sourcing or custom

manufacturing requirements in person.

Fancy Shape Lab Diamond

We can customize any shape of lab grown diamonds with IGI or GIA certificate

Past Exhibitions

2026 MessiJewelry Shines at Hong Kong International Jewellery Show

From March 4 to 8, 2026, global jewelry professionals, buyers, designers, and industry partners gathered at the Hong Kong Convention and Exhibition Centre for the highly anticipated Hong Kong International Jewellery Show, Asia’s premier trading platform for fine jewelry

2025 IJT Tokyo International Jewellery Show Messijewelry

The Tokyo jewelry exhibition is expected to consolidate Messi Jewelry’s links with the Asian and global markets, enabling new collaborative opportunities. Messi Jewelry warmly welcomes industry peers, valued clients, and global partners to visit Booth 23-36 for meaningful discussions on the latest jewelry trends and future developments in the luxury market.

2024 Las Vegas Expo Messijewelry

In 2024, Messi Jewelry made a spectacular debut at the Las Vegas Expo, presenting a dazzling collection that captured the attention of jewelry aficionados and industry insiders from around the globe.

2024 Watch & Jewellery Middle East Show Messijewelry

In September,We-Messi Jewelry participated in four jewelry exhibitions, and the last one in Sharjah, Middle East, has successfully concluded. At the Watch & Jewellery Middle East Show in Sharjah, we would like to express our gratitude to our customers for their support and look forward to meeting you again in the Middle East.

2024 CEC Hong Kong Messijewelry

Hong Kong International Jewellery Show(CEC) hold in SEPT. 18-22, 2024.

Buyer FAQ

Common questions about our lab diamonds and custom jewelry

This is title

Does Messi Jewelry provide certificates?

Yes. IGI , AGL , NGTC , GIA , or GRC certificate options can be discussed based on the product type and buyer requirements. Buyers should confirm certificate requirements before quotation or production.

Does Messi Jewelry provide one-stop jewelry buying?

Yes. Messi Jewelry provides one-stop buying for lab-grown diamonds , jewelry , and lab-grown gemstones , covering loose stones , in-stock diamonds , fine jewelry , custom jewelry , bulk orders , and private-label projects.

What payment methods are accepted?

Messi Jewelry accepts T/T , Western Union , MoneyGram , PayPal , and Trade Assurance payment.

What products does Messi Jewelry supply?

Messi Jewelry supplies lab-grown diamonds , lab-grown gemstones , moissanite , lab-grown diamond jewelry , lab-grown emerald jewelry , fine jewelry , and custom jewelry for brands , wholesalers , retailers , e-commerce sellers , and designer studios.

What is Messi Jewelry’factory and production capacity?

Messi Jewelry operates 2 production lines for lab-grown diamonds and 4 production lines for fine jewelry manufacturing, with a monthly output of 10,000 carats of lab-grown diamonds and 5,000 pieces of gold jewelry.

Fancy Color Lab Diamond

We have over 3000 carats IGI certified Lab Created Diamonds in stock

Blue

Pink

Yellow

Green

Jewelry Factory

Messi Jewelry accepts Make-to-order, We can customize any jewelry designs according to your requirements.

10 Years Experience in Lab Grown Diamond Jewelry Production

We can customized 9K,10K,14K,18K White Gold,Rose Gold,Yellow Gold

please contact us for more detials

Confidentiality Agreement

If you need to protect your brilliant idea, we can sign a confidentiality

agreement for your custom jewelry

Excellent Quality with Competitive Price

Lab Diamond Jewelry

Customized designs are available,Engagement & Wedding

Dazzling Elegance

This exquisite ring, adorned with glistening diamonds, exudes a captivating elegance, displaying meticulous craftsmanship

Forever Sparkle

The diamond's facets refract a spectrum of colors when bathed in light, producing an everlasting brilliance that exudes the artistic flair of the Renaissance era

LOVE AND PROMISES

This ring shines with a yellow diamond and small diamonds, exquisitely designed like a galaxy of stars in the sky

Exhibition

Our customers are all over the United States, Europe, Russia, Brazil, and Australia. We exhibit at Las Vegas JCK in the United States, Inhorgenta Munich in Germany, Hongkong International Gems Fair, and Shanghai exhibition every year

Iternational Gems Fair Shang Hai

JCK Las Vegas Iternational Gems Fair Honk Kong

JCK Las Vegas United States

Inhorgenta Munich Gernabt

NEWS

As one of the high quality lab grown diamond manufacturers, we provide relevant knowledge about wholesale lab grown diamond

Messijewelry's Decade of Global Jewelry Exhibitions

Over the past decade, Messi Jewelry has traversed far and wide, participating in numerous jewelry exhibitions across the globe.

Lab Grown Diamonds: Pros & Cons You Must Know

The word "lab diamond" is probably familiar, but have you ever wondered what it means? Lab created diamonds' physical characteristics, visual qualities, and chemical makeup are identical to those of genuine diamonds, making them "real" diamonds. The contemporary alternative to mined diamonds, lab-created diamonds combine the beauty of precious stones with cutting-edge technology. Consider carefully the pros and downsides of these gems—cultured or synthetic diamonds—as you explore your jewelry selections. Their chemical makeup and visual attributes are identical to their natural equivalents, but the fact that they were created in a lab is a major red flag.

How Are Green Lab-Grown Diamonds Made?

Also known as synthetic or cultured diamonds, lab-grown diamonds are becoming increasingly popular as a sustainable alternative to mined diamonds. Instead of being formed deep beneath the Earth's surface over billions of years, these diamonds are created in a laboratory setting using either the Chemical Vapor Deposition (CVD) method or High-Pressure High Temperature (HPHT) method. Both methods can produce high-quality diamonds, including green lab-grown diamonds which are identical to natural ones in terms of chemical composition, physical properties, and optical characteristics.

Pink Lab Grown Diamonds: All You Need To Know

Pink lab grown diamonds are a type of diamond that has become increasingly popular in the jewelry industry. Not only are they environmentally friendly, but they’re also quite beautiful. In this guide, we'll be taking an all-encompassing look into what pink lab grown diamonds are and how you can get your hands on one.

Exploring The Beauty Of Yellow Lab Grown Diamonds

Yellow lab grown diamonds are a testament to the continued growth of gemological science and technology. Unlike natural yellow diamonds, these labs made alternatives occur in controlled environments. By relying on the same chemical, physical, and optical makeup as mind diamonds, yellow lab grown diamonds are able to give customers an option that’s more sustainable and ethically aligned with modern values.

CVD Lab Grown Diamonds: What Are They?

Diamonds created in a lab using chemical vapor deposition are often called CVD lab-grown diamonds. High-pressure, High-Temperature (HPHT) is another popular method for creating lab-grown diamonds, although this one is different.

A Guide To Blue Lab Grown Diamonds

Lab grown diamonds are more than just a novelty, they’re a testament to how far human innovation has come. These 21st-century gems boast the same sparkle as their mined counterparts, plus a whole lot of other sustainable benefits that shoppers love. As people increasingly seek out ways to lighten their carbon footprint, lab-grown diamonds are becoming the gemstone of choice for many.

2024 Las Vegas Expo Messijewelry

In 2024, Messi Jewelry made a spectacular debut at the Las Vegas Expo, presenting a dazzling collection that captured the attention of jewelry aficionados and industry insiders from around the globe.

2024 Watch & Jewellery Middle East Show Messijewelry

2024 CEC Hong Kong Messijewelry

Hong Kong International Jewellery Show(CEC) hold in SEPT. 18-22, 2024.

Contact Us To Get Competitive Price

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Quick Links

Tennis Bracelet & Necklace

Products

Fancy Shape Lab Diamond

Oval Lab Diamond

Cushion Lab Diamond

Heart Lab Diamond

Fancy Colored Lab Diamonds

Lab Grown Melee Diamonds

Tel.: +86 15878079646

Email: info@messijewelry.com

WhatsApp：+86 15878079646

Company Address: Room B5, B6, B7, B8, Building 2, No. 137, Xinxing 2nd Road, Wuzhou, GuangXi, China.

One of the experienced lab grown diamond manufacturers, Messi Jewelry is always working for your satisfaction, welcome to negotiate business cooperation with us.