Understanding the SKU — and where your gems come from
Every gemstone on our website is assigned a unique SKU (Stock Keeping Unit). This code helps you quickly identify where a gemstone comes from, what type of gem it is, and its individual reference number.
Our SKU structure is designed to be transparent and informative:
How to read your SKU
1. Country of origin
The first two letters indicate the country the gemstone comes from.
Example: SL = Sri Lanka
The first two letters indicate the country the gemstone comes from.
Example: SL = Sri Lanka
2. Specific location or project (optional)
If there is an additional two-letter code following the country, this refers to a specific region or project within that country, such as Rubyfair or Pohorabawa.
If there is an additional two-letter code following the country, this refers to a specific region or project within that country, such as Rubyfair or Pohorabawa.
3. Gemstone type
The next three letters identify the gemstone itself.
Example: SAP = Sapphire
The next three letters identify the gemstone itself.
Example: SAP = Sapphire
4. Unique six-digit reference number
Finally, each stone is given its own six-digit number. This number is unique to that individual gemstone or parcel and allows us to track it through our system.
Finally, each stone is given its own six-digit number. This number is unique to that individual gemstone or parcel and allows us to track it through our system.
Origin codes
| Code | Location |
|---|---|
| SL | Sri Lanka |
| SL-PH | Pohorabawa, Sri Lanka |
| SL-NH | Nivithigala, Sri Lanka |
| SL-PD | Pelmadulla, Sri Lanka |
| SL-RP | Ratnapura, Sri Lanka |
| SL-EW | Ellawala, Sri Lanka |
| SL-EH | Elahera, Sri Lanka |
| SL-SG | Sigiriya, Sri Lanka |
| SL-KL | Kallawatta, Sri Lanka |
| SL-KR | Kuruwita, Sri Lanka |
| SL-KA | Kahawatta, Sri Lanka |
| SL-DM | Dimayawa, Sri Lanka |
| TZ | Tanzania |
| TZ-MY | Moyo, Tanzania |
| TZ-RF | Ruby Fair, Tanzania |
| TZ-TA | Tanga, Tanzania |
| ET | Ethiopia |
| BZ-BH | Bahia, Brazil |
| AU-QU | Queensland, Australia |
| MW-CW | Chimwadzulu Mine, Malawi |
| US | USA |
| US-NV | Nevada, USA |
| CH-CB | Changbai Mountains, China |
Gemstone codes
| Code | Gemstone |
|---|---|
| SAP | Sapphire |
| RUB | Ruby |
| EME | Emerald |
| AGA | Agate |
| ALX | Alexandrite |
| AME | Amethyst |
| AQU | Aquamarine |
| BYL | Beryl |
| CBY | Chrysoberyl |
| CHA | Chalcedony |
| CIT | Citrine |
| DUM | Dumortierite |
| FIB | Fibrolite |
| GAR | Garnet |
| HKD | Herkimer "Diamond" (Quartz) |
| JAD | Jade |
| KRP | Kornerupine |
| MON | Moonstone |
| OPL | Opal |
| PDT | Peridot |
| QTZ | Quartz |
| RUQ | Rutilated Quartz |
| SCP | Scapolite |
| SIN | Sinhalite |
| SPN | Spinel |
| TAN | Tanzanite |
| TOU | Tourmaline |
| TPZ | Topaz |
| ZRC | Zircon |