1.2 Disclosure

1.2.1. DIAMONDS TREATED BY A NON PERMANENT TREATMENT/ENHANCEMENT-PROCESS
May not be graded and certified.

1.2.1.1. FILLING

Must be disclosed as “Treated Diamond”.
The type of treatment must be disclosed as “Filled”.

1.2.1.2. COATING

Must be disclosed as “Treated Diamond”.
The type of treatment must be disclosed as “Coated”.

1.2.2. DIAMONDS TREATED BY A PERMANENT TREATMENT/ENHANCEMENT-PROCESS

Must be disclosed as “Treated Diamond”.
The type of treatment(s) must be disclosed as “treatment(s) detected”.
A permanent treatment/enhancement-process may be:

• Irradiation
• Heating
• High pressure/high temperature heating (HPHT)
• Any other physical or chemical process that is permanent.
• Any combination of the above mentioned treatments/enhancements-processes

Labs will have the choice whether or not to issue a grading report/certificate for diamonds by a permanent treatment/enhancement-process.
In case one is issued only a full grading report may be delivered.

If they do not issue grading reports, a short statement with weight, shape and nature of the stone must be available. The term “Treated Diamond Examination Report” or “Treated Diamond Assurance Report” is suggested for this limited document.

1.2.3. SYNTHETIC DIAMOND

Must be disclosed as “Synthetic diamond”.

Labs will have the choice whether or not to issue a grading report/certificate for synthetic diamonds. In case one is issued only a full grading report may be delivered.

If they do not issue grading reports, a short statement with weight, shape and nature of the stone must be available. The term “Synthetic Diamond Examination Report” or “Synthetic Diamond Assurance Report” is suggested for this limited document.

The terms laboratory-created/laboratory-grown/man-made/synthetic diamond may be used. The term “cultured” may not be used in any way to describe synthetic diamonds.

1.2.4. TREATED SYNTHETIC DIAMOND

1.2.4.1. SYNTHETIC DIAMONDS TREATED BY A NON PERMANENT TREATMENT/ENHANCEMENT-PROCESS

Must be disclosed as “Treated Synthetic Diamond”
May not be graded and certified.

1.2.4.1.1. FILLING

Must be disclosed as “Treated Synthetic Diamond”.
The type of treatment must be disclosed as “Filled”.

1.2.4.1.2. COATING

Must be disclosed as “Treated Synthetic Diamond”.
The type of treatment must be disclosed as “Coated”.

1.2.4.2. SYNTHETIC DIAMONDS TREATED BY A PERMANENT TREATMENT/ENHANCEMENT-PROCESS

Must be disclosed as “Treated Synthetic Diamond”.
The type of treatment(s) must be disclosed as “treatment(s) detected”.
A permanent treatment/enhancement-process may be:

• Irradiation
• Heating
• High pressure/high temperature heating (HPHT)
• Any other physical or chemical process that is permanent.
• Any combination of the above mentioned treatments/enhancements-processes

Labs will have the choice whether or not to issue a grading report/certificate for Synthetic Diamonds treated by a permanent treatment/ enhancement-process.

In case one is issued only a full grading report/certificate may be delivered.

If they do not issue grading reports/certificates, a short statement with weight, shape and nature of the stone must be available. The term “Treated Synthetic Diamond Examination Report” or “Treated Synthetic Diamond Assurance Report” is suggested for this limited document.