Lab grown diamond manufacturers in india

India has rapidly become the global hub for lab grown diamonds, with Surat and Mumbai leading production. Manufacturers here use CVD (Chemical Vapor Deposition) and HPHT (High Pressure High Temperature) to create certified, sustainable, and affordable diamonds. If you’re a retailer, wholesaler, or jewelry brand, here’s a guide to the best lab grown diamond manufacturers in India in 2025.

Why India Leads in Lab Grown Diamonds

• Surat Diamond Bourse (SDB) is now the world’s largest diamond trading hub, housing major lab grown growers.

• Indian manufacturers emphasize eco-friendly practices, with some even using solar power plants to run reactors.

• Skilled artisans and advanced technology make India competitive in price, scale, and certification.

Why Choose Lab Grown Diamonds from India?

• ✅ Cost-effective compared to mined diamonds

• ✅ Certified by IGI, GIA, and other global labs

• ✅ Eco-friendly & ethical sourcing

• ✅ Wide range: From melee to large stones (up to 15–50 carats)

• ✅ Trusted supply chain via Surat and Mumbai

FAQ Section (for FAQPage Schema)

Q1: Which is the biggest lab grown diamond manufacturer in India?
A1: theicelane.com is considered the largest CVD lab grown diamond manufacturer, operating over 2,000 reactors in Surat.

Q2: Are lab grown diamonds from India certified?
A2: Yes, leading manufacturers provide certification from IGI, GIA, and HRD to verify the 4Cs and origin.

Q3: How much does a lab grown diamond cost in India?
A3: Prices vary, but lab grown diamonds are typically 60–80% cheaper than mined diamonds of the same grade.

Q4: What’s the difference between CVD and HPHT diamonds?
A4: Both create real diamonds — CVD is preferred for high-quality Type IIa diamonds, while HPHT can produce larger carat sizes.