Producer
Greenlab Diamonds
Indian CVD lab-grown diamond manufacturer.
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CVD lab-grown rough
Cut & polished lab-grown
Lab-grown jewelry
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Concentration2024
Lab-grown diamonds split along two technologies and two countries: China's HPHT (Huanghe and peers) and India's CVD (Greenlab and peers), with the Indian city of Surat now a major lab-grown growing hub layered on top of its existing dominance in cutting natural diamonds. Greenlab is vertically integrated — it grows, cuts and sets. The strategic point is striking: lab-grown stones, now a large and fast-growing share of the diamond-jewelry market, have collapsed diamond prices and are concentrated in Asian production. So the mined-diamond chokepoint (Alrosa/De Beers) is being undercut by a manufactured-diamond supply that is itself concentrated in China and India. Surat ends up at the center of both natural-diamond cutting and lab-grown growing — a double concentration of the entire diamond business, mined and made, in one Indian city.
Greenlab Diamonds ↗Did you know2024
CVD diamond growing isn't only for gems. The same chemical-vapor-deposition technology Greenlab uses to grow a jewelry diamond produces the high-purity single-crystal and polycrystalline diamond that cutting tools, optics, high-power-electronics heat spreaders and emerging quantum/semiconductor substrates require. So a lab-grown-jewelry company's core capability — synthesizing diamond in a CVD reactor — is the very capability the electronics and precision-tooling industries increasingly need. The gem business and the high-tech-materials frontier share a growth reactor: the same crystal can leave the chamber destined for an engagement ring or for a power-device heat sink. As CVD capacity scales for jewelry, it also builds the manufacturing base for diamond as an electronic and optical material.
Greenlab Diamonds ↗