Rainbow Stone Set
Lab Grown Alexandrite
Lab Grown Aquamarine
Lab Grown Emerald
Lab Grown Paraiba（YAG）
Lab Grown Ruby
Lab Grown Sapphire
Discover premium IGI certified lab grown diamonds in round brilliant cut with E color and VVS clarity. Each stone is verified by an official IGI certificate, ensuring consistent quality for fine jewelry manufacturing.
- Stone Type: Lab-Grown Diamond (CVD)
- Shape & Cut: Round Brilliant
- Color: E
- Clarity: VVS
- Certification: IGI Certified (certificate for reference; dimensions and weight may vary)
- Application: Engagement rings, fine jewelry, wholesale manufacturing
Ideal for jewelers and manufacturers sourcing certified loose diamonds at wholesale prices.
Lab-Grown Diamond (CVD / HPHT)
Premium Lab-Grown Diamond for Wholesale & Manufacturing
What is Lab-Grown Diamond?
Lab-grown diamond is real diamond, chemically and physically identical to mined diamond — pure crystallized carbon (C), created in advanced laboratories instead of the earth's crust. Produced via CVD (Chemical Vapor Deposition) or HPHT (High Pressure-High Temperature) technology, it delivers the same brilliance, hardness and fire as natural diamond at a fraction of the cost, making it ideal for engagement rings, fine jewelry and precision gem manufacturing.
Growth Process
- HPHT Method: High-purity carbon is dissolved in molten metal under extreme pressure (5–6 GPa) and temperature (1,300–1,500°C), then crystallizes onto a small diamond seed.
- CVD Method: A diamond seed is placed in a vacuum chamber filled with carbon-rich gas; under microwave plasma and high temperature, carbon atoms deposit layer by layer to form a large, high-purity diamond crystal.
Both methods are internationally recognized and produce gem-quality diamonds suitable for fine jewelry.
Appearance & Quality
Lab-grown diamond is indistinguishable from natural diamond to the naked eye — same optical properties, same 10/10 Mohs hardness, same "fire" and brilliance. Only advanced gemological instruments can identify its growth origin.
Note: Under magnification, experienced gemologists may observe characteristic growth patterns (e.g., CVD striations or HPHT flux inclusions), which is expected for all lab-grown diamonds.
Physical & Chemical Properties
| Property | Specification |
|---|---|
| Chemical Formula | C (Pure Carbon) |
| Growth Method | CVD / HPHT |
| Hardness | 10 on Mohs Scale — hardest natural material |
| Refractive Index | 2.417 |
| Dispersion | 0.044 (high fire) |
| Luster | Adamantine |
| Durability | Excellent — ideal for daily wear, scratch-proof |
Why Choose IceSnow Lab-Grown Diamond?
✅ Real Diamond, Real Value — identical chemical & optical properties to natural diamond ✅ Certified Quality — GIA / IGI / GRC certificates available on request ✅ Multiple Grades — D–H color, VVS–VS clarity, various cuts for every budget ✅ B2B Factory Wholesale Price — direct factory pricing for bulk orders ✅ Calibrated & Custom Cutting — all standard sizes, shapes and custom cuts ✅ Low MOQ for Trial Orders — sample test orders welcome for new buyers ✅ Global Insured Shipping — DHL / FedEx / UPS fast worldwide delivery
Available Sizes & Shapes
We supply loose lab-grown diamonds from 0.5ct to 10ct+, in all standard shapes: Round, Princess, Emerald, Oval, Cushion, Pear, Heart, Marquise, Asscher, Radiant and more
Custom sizes, color grades and cuts can be produced to match your exact requirements.
| Color | |
|---|---|
| Carat | 0.5ct, 1ct, 2ct, 3ct, 4ct, 5ct, 6ct, 7ct, 8ct, 9ct, 10ct |
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