This page is not the official website. Generated by AI, does not constitute any advice. If needed, please click here to visit the corresponding official website.

Lab Grown Diamonds &
Premium Synthetic Gemstones

B2B & OEM Manufacturer | Over 10 Years Expertise | Fast 2–4 Day Delivery | DHL & FedEx Shipping

Explore Products Custom Jewelry

About StarsGem

Starsgem Co., Ltd. is located in the capital of synthetic gemstone Wuzhou, China. We are a professional gemstones and jewelry manufacturer with over ten years of experience in producing high-quality lab-grown diamonds, moissanite, lab emeralds, sapphires, rubies, cubic zirconia, and custom fine jewelry.

Our mission is simple: Win-win, Customer is highest, Credibility is first. We provide professional and timely service to B2B and OEM clients worldwide, ensuring quality, consistency, and fast delivery.

  • 10+ Years Manufacturing Expertise
  • Fast 2–4 Day Delivery Worldwide
  • Expedited Shipping via DHL & FedEx
  • Custom Jewelry & OEM Services
Lab Grown Gemstones

Our Product Categories

From lab grown diamonds to synthetic stones and custom jewelry, we offer a wide range of high-quality gemstones and finished pieces for B2B and OEM clients.

Lab Grown Diamond

Lab Grown Diamond

Available in round, oval, cushion, emerald cut, and more. From 0.003ct to 2ct+.

• CVD & HPHT Methods
• D-Z Color Range
• VS+ Clarity
Moissanite

Moissanite

Brilliant DEF to colored moissanite in various cuts and sizes.

• Brilliant, Crushed Ice, Rose Cuts
• Round, Oval, Pear, Radiant Shapes
• Color Options: Clear, Pink, Blue, Black
Lab Grown Emerald

Lab Grown Emerald

Hydrothermal and flux-grown emeralds with rich green color.

• High Clarity & Saturation
• Custom Sizes & Cuts
• B2B Wholesale
Lab Grown Sapphire

Lab Grown Sapphire

Available in blue, pink, yellow, and white. Flame fusion & Verneuil methods.

• AAA Quality
• Round, Cushion, Oval Cuts
• Loose & Set Stones
Cubic Zirconia

Cubic Zirconia

High-quality CZ in various colors and cuts. Crushed ice and standard finishes.

• D–Z Color Range
• Brilliant & Crushed Ice Cut
• Raw Material Available
Lab Grown Ruby

Lab Grown Ruby

Synthetic rubies with vibrant red hue and excellent clarity.

• Flame Fusion & Czochralski
• Round, Cushion, Baguette
• OEM & Bulk Orders
Diamond Jewelry

Diamond Jewelry

Custom engagement rings, wedding bands, earrings, necklaces, and bracelets.

• Platinum, 18K, 14K, 10K, 9K
• S925 Sterling Silver
• Full Customization
S925 Jewelry

S925 Jewelry

Stock and custom sterling silver jewelry with lab diamonds and CZ.

• Engagement & Wedding Rings
• Earrings, Necklaces, Bracelets
• In Stock & Made-to-Order

Custom Jewelry Service

We offer full customization for rings, necklaces, bracelets, pendants, and earrings in platinum, 18K, 14K, 10K, 9K, and S925 sterling silver.

Whether you need a prototype, private label, or bulk OEM production, our team provides professional support from design to delivery.

  • • CAD Design & 3D Modeling
  • • Metal & Stone Selection
  • • Packaging & Branding
  • • Fast Turnaround: 2–4 Days
Custom Jewelry Design

Why Choose StarsGem?

Fast Delivery

2–4 day delivery with DHL or FedEx. Expedited shipping available for urgent orders.

Quality Guaranteed

Over 10 years of expertise. Strict quality control on all gemstones and jewelry.

OEM & B2B Support

Private label, custom packaging, and full OEM services for retailers and designers.

Latest News

How to Care for Your Lab-Grown Diamond Ring

Tips on cleaning, storing, and maintaining the brilliance of your lab diamond jewelry.

October 14, 2025

Do Lab-Grown Diamonds Retain Their Value?

Understanding the resale market and long-term value of lab-created diamonds.

October 14, 2025

Lab Grown Diamonds: Revolutionizing Luxury

How lab diamonds are changing the jewelry industry 70 years after “A Diamond Is Forever”.

May 30, 2025

Get in Touch

Ready to start your B2B partnership or place an OEM order? Contact us today for quotes, catalogs, and customization support.

Visit Official Website
China Quality Suppliers fobcompany.info

Notice for Buyers: If you are a buyer, the above information is generated by AI collection and does not constitute any advice. If necessary, please visit the corresponding official website.

For Domain Owners: If you are the domain owner and do not want to be included by fobcompany.info, please contact support@fobcompany.info via your corporate email to cancel. We will cancel your inclusion within 3 business days.

如果您是域名所有者 不想被fobcompany.info收录 请用企业邮箱联系support@fobcompany.info 取消收录 我们将在3个工作日取消您的收录

Service Request: If you are other domain and want to be included, please contact support@fobcompany.info

如果您是其他域名合作 也请联系support@fobcompany.info