GB/T 9288-1998
Replaced
GB/T 34543-2017
Active
National standards
GB/T 34543-2017 Yellow diamond grading
GB/T 34543-2017 Yellow diamond grading
Basic Information
Standard Code:
GB/T 34543-2017
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Other non-metallic minerals
ICS Name:
Jewelry
Publish Date:
2017-10-14
Implement Date:
2018-05-01
Pages:
12 pages
Scope
This standard specifies the grading rules for natural, unoptimized, unmounted polished yellow diamonds. This standard applies to the grading of unmounted polished yellow diamonds, and the grading of mounted polished yellow diamonds can be carried out in accordance with this standard.
Development Information
Referenced Standards
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