| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 18303-2008 | English | 139 |
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Days<=3
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Color grading of polished diamond by visual matching
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GB/T 18303-2008
| Valid |
GB/T 18303-2008
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