HN LGD TC.
- Wholesale Lab Grown Diamond Jewelry Manufacturer

HN LGD TC provides premium lab-grown diamond jewelry solutions for global brands, wholesalers, and retailers. With local diamond resources, professional manufacturing capabilities, and flexible development support, we help partners develop and expand their jewelry collections.

Full-Chain Manufacturing

From diamond growth to cutting, grading, and jewelry manufacturing under one system.
Certified Quality

IGI / GIA certification with full reports and documentation available.
Stable Supply

80,000+ ct inventory with reliable production planning for global demand.
Technical Innovation

Led by top Chinese experts advancing diamond growth and manufacturing technology.

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Lab Grown Diamond Jewelry

Our Lab-Grown Diamond Jewelry Categories

Our lab-grown diamond jewelry collection spans a wide range of categories, styles, and specifications to support diverse market demands. Whether for established jewelry lines or new collection launches, we provide scalable product solutions backed by reliable manufacturing support.

Rings

Our ring collection includes engagement rings, wedding bands, solitaire styles, and fashion designs. They're designed for both bridal collections and everyday jewelry programs.

Earrings

Featuring classic stud earrings and hoop designs, our earring collections are crafted for everyday wear and fine jewelry assortments. They adorn the ears with tiny but sparkling elegance.

Bracelets

These lab-grown diamond bracelets feature classic tennis bracelets and fancy-colored designs such as sunflower-inspired yellow, with various styles and diamond arrangements.

Pendant Necklaces

Our collection includes classic solitaire necklaces and delicate diamond pendant styles. Designed for gifting, anniversary collections, everyday jewelry lines, and seasonal launches.

Explore Our Featured Lab-Grown Diamond Jewelry Collections

Discover an exquisite collection of lab-grown diamond jewelry created by our designers and crafted with high-quality lab-grown diamonds, platinum, and 18K white gold. From timeless elegance to contemporary styles, the collection showcases refined craftsmanship and diverse designs to inspire jewelry professionals and meet evolving market needs.

Three-Stone Mixed Cut Lab-Grown Diamond Pendant Necklace
Product Number: BZL1115-018. Jewelry Type: Pendant Necklace. Metal: PT950 Platinum. Metal Color: White. Diamonds: Lab-Grown Diamonds. Main Stone Weight: 2.555 ct / 2 Pieces. Additional Stone Weight:

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Four-Leaf Clover Lab-Grown Diamond Pendant Necklace
Product Number: QP0037. Jewelry Type: Pendant Necklace. Metal: 18K White Gold. Metal Color: White Gold. Main Stone: Lab-Grown Diamond. Main Stone Weight: 1.380 ct / 1 Piece. Diamond Color: E. Diamond

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Mixed Cut Lab-Grown Diamond Pendant Necklace
Product Number: P0002754. Jewelry Type: Pendant Necklace. Metal: 18K White Gold. Metal Color: White Gold. Diamonds: Lab-Grown Diamonds. Main Stone Weight: 1.726 ct / 2 Pieces. Side Stone Weight:

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Sunflower Lab-Grown Yellow Diamond Bracelet
Product Number: ZSSL287. Jewelry Type: Diamond Bracelet. Metal: PT950 Platinum. Metal Color: White. Main Stones: Lab-Grown Yellow Diamonds. Accent Stones: Lab-Grown White Diamonds. Main Stone Color:

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Lab-Grown Diamond Tennis Bracelet
Product Number: 24100005399. Jewelry Type: Tennis Bracelet. Metal: 18K White Gold. Metal Color: White Gold. Stones: Lab-Grown Diamonds. Diamond Weight: 25.800 ct / 25 Pieces. Diamond Color: D. Total

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Mixed Cut Lab-Grown Diamond Stud Earring
Product Number: 24100005354. Jewelry Type: Stud Earrings. Metal: 18K White Gold. Metal Color: White Gold. Main Stones: Lab-Grown Diamonds. Main Stone Shape: Cushion Cut. Main Stone Weight: 2.030 ct /

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Cushion Cut Lab-Grown Diamond Stud Earring
Product Number: 251100014. Jewelry Type: Stud Earrings. Metal: 18K Gold. Metal Color: Rose Gold and White Gold. Main Stones: Lab-Grown Diamonds. Main Stone Shape: Cushion Cut. Main Stone Weight: 2.11

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Oval Cut Lab-Grown Diamond Ring
Product Number: S-SZJZ461111. Jewelry Type: Diamond Ring. Metal: 18K Gold. Metal Color: White Gold. Main Stone: Lab-Grown Diamond. Main Stone Shape: Oval Cut. Main Stone Weight: 1.108 ct / 1 Piece.

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Pavé Lab-Grown Diamond Ring
Product Number: 00002171. Jewelry Type: Diamond Ring. Metal: 18K Gold. Metal Color: White Gold. Main Stone: Lab-Grown Diamond. Main Stone Weight: 1.170 ct / 1 Piece. Side Stones: Lab-Grown Diamonds.

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Solitaire Lab-Grown Diamond Ring
Product Number: 00002039. Metal: 18K Gold. Metal Color: White Gold. Main Stone: Lab-Grown Diamond. Main Stone Weight: 1.030 ct / 1 Piece. Diamond Color: D–E. Diamond Clarity: VS. Total Product

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Why Brands Choose Our Lab-Created Diamond Jewelry

Everyday Wearing Comfort

Designed for everyday comfort, our lab-grown diamond jewelry features secure settings, polished metal surfaces, and refined finishing for a smooth, comfortable wearing experience.

Responsible Jewelry Choice

Crafted with lab-grown diamonds produced in controlled environments, our jewelry involves no mining and offers a responsible, ethical choice with transparent sourcing for modern fashion brands.

Greater Value Advantage

Featuring diamonds with the same optical, chemical, and physical properties as mined diamonds, our jewelry delivers exceptional brilliance and durability while offering a more competitive price advantage.

Trusted Quality Assurance

Our jewelry is set with lab-created diamonds accompanied by IGI and GIA reports and crafted in premium 18K gold or platinum. Every piece is produced by skilled jewelers and inspected through strict quality control before delivery.

Timeless Design Versatility

From classic rings and elegant stud earrings to refined pendant necklaces, our collections offer versatile designs that support different brand styles, retail markets, and customer preferences.

Exceptional Jewelry Craftsmanship & Precision Finishing

Behind every piece of lab-grown diamond jewelry is a combination of advanced techniques and skilled craftsmanship. From diamond preparation and precise setting to refined metalwork and finishing, we focus on every detail to create jewelry with lasting beauty and consistent quality.

Diamond Cutting & Polishing

Diamond Setting Techniques

Metal Craftsmanship & Finishing

Our diamond cutting and polishing expertise focuses on precision, symmetry, and light performance. By optimizing proportions and facet alignment, we enhance diamond brilliance and visual appeal. Our round brilliant lab-grown diamonds are available with Ideal and Hearts & Arrows cutting options.

ROUND

PRINCESS

CUSHION

EMERALD

RADIANT

OVAL

PEAR

MARQUISE

ASSCHER

HEART

Our skilled artisans use a wide range of setting techniques to develop jewelry styles ranging from classic elegance to modern sophistication. They secure each diamond while enhancing design expression and wearing comfort.

Prong Setting

Bezel Setting

Pavé Setting

Channel Setting

Hidden Setting

From casting and metal shaping to polishing, Logo engraving, and surface treatments, we refine every detail to achieve smooth finishes and lasting durability while meeting different design and branding requirements.

Metal Base Welding

Surface Polishing

Logo Engraving

Find the Right Jewelry Solutions for Your Market

Whether you are selecting products for your market or exploring new jewelry opportunities, our team can help you find the right solutions. Contact us
for product recommendations, sample requests, and further details.

Talk to Our Team

Why Partner with HN LGD TC.

Integrated Lab-Grown Diamond Jewelry Manufacturing Capabilities

Behind every jewelry collection is an integrated supply network that combines lab-grown diamond sourcing, cutting and polishing expertise, grading support, and professional jewelry manufacturing. Backed by Henan's leading lab-grown diamond ecosystem, Henan Lab-Grown Diamond Trading Center delivers stable supply, scalable production, and reliable support for global partners.

Explore the Trading Center

80,000⁺ ct

Loose Diamond Inventory

30,000⁺ ct

Annual Diamond Capacity

3,000⁺

Experienced Diamond Craftsmen

200⁺

Loose Diamond Inventory

45⁺

Partner Diamond Producers

Certified Jewelry Quality with Full Traceability

From lab-grown diamond selection and stone matching to jewelry production and final inspection, HN LGD TC maintains a structured quality system throughout the manufacturing process. With certification support, detailed inspection procedures, and traceable documentation, we help ensure every piece of jewelry delivers consistent quality, reliable craftsmanship, and confidence for global brands.

Inside Our Quality System

Certified Jewelry Quality with Full Traceability

Custom Lab-Grown Diamond Jewelry Solutions for Global Brands

As a trusted lab-grown diamond jewelry manufacturer in China, HN LGD TC provides OEM, ODM, and private-label solutions, supporting brands from jewelry development to production.

OEM Jewelry Manufacturing

ODM Jewelry Development

For brands with established designs, we provide reliable manufacturing support from diamond sourcing and selection to sampling and production. Working from sketches, CAD files, or specifications, our team ensures consistent quality and craftsmanship, with customized branding options including logo engraving, certificates, and branded packaging.

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Beyond manufacturing, we help buyers create distinctive lab-grown diamond jewelry concepts through collaborative design and product development. Our expertise extends beyond traditional collections to creative diamond products, cultural & creative jewelry projects, and memorial diamond projects, supporting unique ideas from concept to finished pieces.

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Featured Lab-Grown Diamond Jewelry Development Projects

Discover selected custom jewelry projects our team supported in creating distinctive jewelry collections, backed by reliable manufacturing expertise.

3.5 Carat Round Lab-Grown Diamond Pendant

18K Gold Lab-Grown Ruby Earrings

10 Carat Pear-shaped Lab-Grown Diamond Ring

From Concept to Collection: How We Support Your Jewelry Business

From initial consultation and sample development to manufacturing, certification, and delivery, HN LGD TC supports every stage of the jewelry development journey with dedicated expertise and reliable project coordination.

01

Product Consultation & Development Planning

Understand your market positioning, design concepts, and product requirements to recommend suitable diamond specifications, materials, and production solutions.
02

Design Development & Sample Creation

Transform ideas, sketches, or existing designs into production-ready jewelry through CAD development, material selection, diamond matching, and sample approval.
3

Precision Manufacturing & Production Management

Produce lab-grown diamond jewelry with skilled craftsmanship, professional stone setting, and strict production control to ensure consistent quality for bulk orders.
04

Quality Assurance, Certification &
Documentation

Conduct detailed quality inspections and provide supporting documents, including IGI/GIA diamond grading reports, product inspection records, and required compliance documentation to support your sales and distribution needs.
05

Secure Delivery & After-Sales Support

Support international orders with protective packaging, export documentation, shipping coordination, and ongoing assistance to ensure smooth delivery from factory to your market.

Frequently Asked Questions

Q1: Are you a lab-grown diamond jewelry manufacturer or a trading company?

Q2: What metal options are available?

Q3: Can I add my brand logo to the jewelry?

Q4: What is the typical delivery time for jewelry orders?

Q5: Can we visit your facilities and trade center?

Request a
Free Quote from HN LGD TC.

Share your jewelry requirements, including product type, design preferences, diamond specifications, and order quantity. Our team will respond with pricing, availability, and project details within 24 hours.

Explore More Lab-Grown Diamond Solutions

Explore our integrated lab-grown diamond supply capabilities, from loose diamonds and gemstones to finished jewelry manufacturing services. HN LGD TC supports global partners
with flexible sourcing options and complete diamond jewelry solutions.

Lab-Grown Diamonds

Lab-Grown Colored Diamonds

Lab-Grown Gemstones

As one of the most professional lab grown diamond jewelry manufacturers and suppliers in China, we offer a wide range of products with superior quality. Please feel free to wholesale bulk high-end lab grown diamond jewelry made in China here from our factory. Welcome to view our website for more company information.