COLORED STONES

Categories: Gem Store, Store

COLORED STONES (OTHER THAN PEARLS) – natural, untreated

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.

A great percentage of small diamonds are cut and polished in India. Not only are these exported in large quantities, the domestic consumption levels are quite high. Such diamonds, normally referred as stars and mellee, need to be assorted carefully for the purpose of categorization and hence, value ACGS provides this service for diamond merchants and buyers who look to trade in lots of sorted goods.
Assortment is carried out on the basis of color, clarity and cut.
Assortment service is provided in respect of loose diamonds for sizes above +4 sieve size only.
Minimum weight of packet accepted for assortment is 3.00 carats.

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

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 stone.