RELATED OFFERINGS
COLORED STONES
COLORED STONES (OTHER THAN PEARLS) – natural, untreated
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DIAMOND GRADING
Diamond Grading – Gemological Laboratory Services
- Service is provided in respect of cut and polished diamonds only.
- Minimum size acceptable for issuing a full report is 10 cents (0.1 carat).Grading is carried out only under controlled conditions,
- Grading is carried out only under controlled conditions, keeping in view GIA standards.
- Full grading report includes clarity, color, cut, fluorescence, and a plot diagram showing important clarity characteristics.
- Summary grading report contains same information as the full grading report but does not include any plot diagram.
- In case of doubt about the stone being a natural diamond, diamond grading report will not be issued and a fixed charge will be taken from the client.
- In case a diamond has been enhanced by HPHT treatment but the same is not detected in the laboratory during routineexamination, ACGS will not be responsible for the same.
- Fancy colored diamonds are graded for clarity, cut, and color; color grade is assigned as per parameters laid down by the GIA.
- Methodology – Each and every Diamond is certified after a thorough analysis and study by a qualified and experienced diamond grader. Each diamond undergoes rigorous and meticulous study and analysis before preparation of the report.
- Credibility – The laboratory is known for its credibility, impartiality and independence.
GEM IDENTIFICATION
GEMOLOGY LABORATORY SERVICES - GEM TESTING, GEM IDENTIFICATION CERTIFICATES
- Service is provided in respect of cut and polished stones, loose or mounted, tumbled stones, beads, figurines, carvings and rough crystals.
- Non-destructive testing methods only are employed.
- Distinction is made between natural and synthetic stones.
- If a treatment is detected, the same is indicated under “Comments”.
- Reports of geographic origin are provided in respect of emerald, ruby and sapphire, on specific request, and are charged separately.
- Gem Identification reports are provided in the following formats:
- Full report – indicating all parameters measured, characteristics observed and an image of the stone.
- Card report – indicating all vital characteristics and an image of the ston
