4.28ct Heart Shape CVD Lab Grown Diamond - IGI Certified F-E Color VS1-VVS2 Clarity
This certified CVD lab-grown diamond offers exceptional quality with heart-shaped brilliant cut, colorless F-E grade, and VS1-VVS2 clarity. At 4.28 carats, it provides identical physical and chemical properties to natural diamonds at a fraction of the cost.
| Diamond Type | CVD Lab-Grown Diamond |
| Hardness | 10 Mohs |
| Shape | Heart Brilliant Cut |
| Color Grade | F ~ E (Colorless) |
| Clarity Grade | VS1 ~ VVS2 |
| Carat Weight | 4.28ct |
| Cut Grade | Excellent |
| Certificate | IGI Certified |
| MOQ | 1 Piece |
- Identical physical, chemical properties and hardness to natural diamonds
- Passes professional diamond test pen verification
- Cost-effective pricing at 20-30% of natural diamond prices
- Environmentally friendly production process
- Rapid production cycle of approximately 2 weeks
- 100% pure carbon composition
Ideal for jewelry production including rings, earrings, necklaces, and custom jewelry designs. Suitable for both commercial manufacturing and individual customization projects.
ZKZ Diamonds operates its own private laboratory in Shenzhen, China, maintaining complete control over the supply chain to ensure consistent quality and competitive pricing. All products are ethically produced and conflict-free, backed by lifetime warranty against manufacturing defects.
- CVD and HPHT lab-grown diamond processing and sales
- Custom jewelry design and production
- OEM services with confidentiality agreements
- Global shipping to Europe, USA, Canada, Middle East, and Southeast Asia
- Fast delivery: 1-2 days for stock items, 5-7 days for new production
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.