CVD DEF VS VVS Lab Grown Diamonds 0.3ct-20ct with IGI Certificate - Factory Direct Wholesale Supplier

ZKZ Diamonds offers premium CVD and HPHT lab-grown diamonds with IGI certification, available in sizes from 0.3ct to 20ct. Our factory-direct approach ensures competitive pricing and quality control for wholesale buyers.

We provide both Round Brilliant and Fancy Cut diamonds including Pear, Oval, Princess, Marquise, Emerald, Heart, Cushion, Vivid Cut, and custom shapes. Available sizes range from 1ct to 30ct to meet diverse jewelry production requirements.

• Factory direct pricing and quality control
• Over 5,000 IGI-certified diamonds in stock
• Professional IGI Certified Grader Team

• Lab-grown diamond processing and sales
• Jewelry customization services
• OEM manufacturing capabilities

From diamond selection to final jewelry completion, each process undergoes strict quality control. We prioritize long-term business relationships over one-time transactions.

Lab-grown diamonds replicate natural diamond crystal growth environments. While the growth environment differs, the physical properties, chemical elements, Moh's hardness scale, and refractive index are identical to natural diamonds. These diamonds are indistinguishable to the naked eye and pass professional diamond test pen examinations.

Lab-grown diamonds consist of 100% pure carbon and offer significant cost advantages, typically priced at 20-30% of natural diamond costs. Additionally, they are more environmentally friendly as they eliminate the need for mining operations.