| Symbol | Name | Country | Exchange |
|---|---|---|---|
| JEWL | Adamas One Corp. | US | NASDAQ |
| CTDT | Centaurus Diamond Technologies Inc | US | OTC |
| HTECH | Halcyon Technology Public Company Limited | TH | BK |
| 081000 | Iljin Diamond | KR | KO |
| 600172 | Henan Huanghe Whirlwind Co Ltd | CN | SHG |
| 688028 | Beijing Worldia Diamond Tools Co Ltd | CN | SHG |
| 300179 | SF Diamond | CN | SHE |