GB/T 9288-1998
Replaced
T/CAQI 80-2019
Active
Group standards
T/CAQI 80-2019 Black diamond identification and grading
T/CAQI 80-2019 Black diamond identification and grading
Price:
$ 20.00
Basic Information
Standard Code:
T/CAQI 80-2019
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nSoil and fertilizer
ICS Name:
Jewelry
Publish Date:
2019-07-03
Implement Date:
2019-10-01
Scope
Main technical content: Identification of features, grading of flaws, color grading, description of color uniformity, evaluation of cutting, quality of black diamonds, and grading certificates for black diamonds.
Development Information
Related Standards
GB/T 17832-1999
Replaced
GB/T 17832-1999 Determination of silver in silver jewellery alloys—Volumetric (potentiometric) method using potassium bromide
GB/T 11887-2000
Replaced
GB/T 11887-2000 Jewellery－Fineness of precious metal alloys and designation
GB/T 18043-2000
Replaced
GB/T 18043-2000 Precious metal jewellery content non-damaged test method—X-ray fluorescence spectrometry
GB/T 18303-2001
Replaced
GB/T 18303-2001 Color grading of polished diamond by visual matching
GB/T 11886-2001
Replaced