Lab-Grown Diamonds clusters in India
| Cluster | State / districts | Type | Season | Export gateway |
|---|---|---|---|---|
| Surat diamond cluster + Surat Diamond Bourse; Mumbai Bharat Diamond Bourse | Gujarat; Maharashtra — Surat (Varachha, Katargam - ~9 of 10 natural diamonds polished); Navsari; Bhavnagar; Mumbai (BDB trading, SEEPZ) | sez | Year-round; Diwali/Christmas/Chinese New Year cycles | Air only (high value) |
Cluster notes
CPD exports USD 13,292 mn FY2024-25 (-16.75% from 15,967 mn); lab-grown polished USD 1,267.26 mn (-9.64%); total G&J USD 28.5 bn (-11.72%) - GJEPC via PTI/The Week (tier 5 citing tier 3) Assessment: Mature, specialist trade (not generalist trading house); 2024-25 exports down 16.75% (China/US weak); lab-grown is a Surat growth line
Associations and directories
Export promotion and producer bodies relevant to lab-grown diamonds: GJEPC.
Frequently asked questions
Which Indian state produces the most lab-grown diamonds?
Our cluster data lists Gujarat; Maharashtra as the main sources; see the table for districts and seasons.
When is the lab-grown diamonds season in India?
Gujarat; Maharashtra: Year-round; Diwali/Christmas/Chinese New Year cycles.
How do you verify lab-grown diamonds suppliers?
We check registrations (GST, IEC, FSSAI or BIS where relevant), visit the unit, review past export documents and test a sample lot before listing a supplier.
Related
Source lab-grown diamonds from India
Tell us grade, volume and destination.