GB/T 9288-1998
Replaced
T/GAC 12-2020
Active
Group standards
T/GAC 12-2020 Technical Specifications for Diamond Fancy Cutting Technology - Heart Shape
T/GAC 12-2020
Price:
$ 20.00
Basic Information
Standard Code:
T/GAC 12-2020
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Other non-metallic minerals
ICS Name:
Jewelry
Publish Date:
2020-06-09
Implement Date:
2020-06-16
Scope
Scope: This standard specifies the terms and definitions, requirements, personnel, observation methods, and presentation methods for standard heart-shaped cuts. This standard applies to diamond heart-shaped cuts. Main technical content: This standard specifies the terms and definitions, requirements, personnel, observation methods, and presentation methods for standard heart-shaped cuts. This standard applies to diamond heart-shaped cuts.
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