About Redleaf Jewelry
We are a professional Lab Grown Diamonds Manufacturer in China, specializing in producing loose Diamonds and Diamonds Earring and Necklace and Braclet.
With over 20 years of experience, we have established a trusted reputation for quality and reliability.
Our facility produces approximately 100 million high-quality gems monthly, ensuring consistent supply.
Serving top brands and retailers across 30 countries/regions. Your designs will be strictly protected through NDA.
Jewellery & Gem Wold Hong Kong
Booth: 3B-139
Time:Sept 17-21, 2025
Add：HONG KONG CONVENTION
AND EXHIBITION CENTRE
1 Expo Drive, Wan Chai, Hong Kong lsland
Lab Grown Diamond Shape
We can customize any shape of man made diamonds with IGI or GIA certificate.
Color Lab Grown Diamond
We have a variety of colored cultivation diamonds, you can choose your favorite color.
Range of premium products
We are a professional custom diamond jewelry manufacturer in China, exporting affordable lab-grown diamonds and jewelry in bulk. Our synthetic diamonds are a sustainable and ethical alternative to natural diamonds. They have the same superior quality, brilliant brilliance and durability as natural diamonds. You are welcome to buy or wholesale high-quality lab-grown diamond jewelry from our factory. For price consultation, please contact us.
Welcome To Redleaf Jewelry
Lab-Grown Diamonds Company
As the world's largest manufacturer of lab-grown diamonds, Redleaf Jewelry is revolutionizing the synthetic diamond industry. We specialize in producing high-quality, environmentally friendly synthetic diamonds for B2B clients around the world. Each of our collection or custom engagement rings can feature a lab-grown diamond, allowing your design to be a small part of a better future for our planet. Our synthetic diamonds are ideal for retailers, jewelry manufacturers, and distributors for their unmatched brilliance, sustainability, and cost-effectiveness.
Redleaf Jewelry offers lab-grown diamonds in a variety of shapes, including round, heart, oval, marquise, emerald, cushion, asscher, radiant, baguette, and pear. Our diamond sizes range from -2 carats (star diamonds) to 50 carats to suit a variety of preferences and jewelry designs.
Free Customization SolutionFree logo design and customized packaging to outshine your competitors
Trouble-saving After Sale ServiceFull refund or free replacement for defective products.
Exhibition
Review the wonderful moments and explore the past exhibitions - click to view our exhibition history! If you want to be the first to catch up with our show news, please follow our website.
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Product Name: GRC Certified Heart Cut Lab Grown Ruby Loose Gemstone
Main Stone: Lab Grown Ruby (Heart Cut)
Certificate: GRC (Gem Research Center) Certificate Included
Stone Color: Pinkish Red / Rose Red (Vivid Saturation)
Stone Clarity: VVS-VS (Eye Clean)
Design Style: Heart Brilliant Cut
Usage: Fine Jewelry Making (Rings, Pendants, Earrings), Custom Design
Customization: OEM/ODM Available (Custom sizes, shapes, and carat weights accepted)
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Product Specifications
Material: 14K /White Gold
Main Stone: Lab Grown Diamond
Center Stone Shape: Oval Brilliant Cut
Center Stone Carat Weight: [Insert weight, e.g., 1.0ct, 1.5ct, 2.0ct]
Side Stones: Round Brilliant Cut Lab Grown Diamonds
Diamond Color: E-F (or Customizable)
Diamond Clarity: VS1-VS2 (or Customizable)
Setting Type: 4-Prong Setting / Pave Setting
Certificate: IGI / GIA Cutting & Grading Certificate Included
Customization: Custom Engraving, Custom Sizes, Custom Gold Karats
Material: 14K /White Gold
Main Stone: Lab Grown Diamond
Center Stone Shape: Oval Brilliant Cut
Center Stone Carat Weight: [Insert weight, e.g., 1.0ct, 1.5ct, 2.0ct]
Side Stones: Round Brilliant Cut Lab Grown Diamonds
Diamond Color: E-F (or Customizable)
Diamond Clarity: VS1-VS2 (or Customizable)
Setting Type: 4-Prong Setting / Pave Setting
Certificate: IGI / GIA Cutting & Grading Certificate Included
Customization: Custom Engraving, Custom Sizes, Custom Gold Karats
2026 09 14
Metal Type: 14K Solid White Gold (Rhodium Plated for extra shine)
Stone Type: 100% Real Lab-Grown Diamonds (CVD or HPHT)
Stone Shape: Emerald Cut (Step Cut)
Stone Setting: Four-Prong Basket Setting
Diamond Color: D-F (Colorless)
Diamond Clarity: VVS-VS (Eye Clean, Excellent Sparkle)
Clasp Type: Secure Box Clasp with Safety Latch (Side lock)
Sizes Available: 6.5 Inch, 7 Inch, 7.5 Inch, 8 Inch (Custom lengths available upon request)
Total Carat Weight (CTW): Ranges from 5.0ct to 20.0ct (depending on selected length and stone size)
Style: Luxury, Classic, Timeless Tennis Bracelet
2026 09 08
Payment Account Number: 63007958095
Account Name: Wuzhou Redleaf jewelry Co., Ltd.
Bank Name: JPMorgan Chase Bank N.A, Hong Kong Branch
Feel Free To Contact Us With Any Questions You Have
If you have any questions about our products or services, feel free to reach out to customer service team.
Ready to work with us?
Lab Grown Diamonds Jewelry