电子版：22元 / 折扣价： 19 元  纸质版：20元 / 折扣价： 18 元

   电子版：38元 / 折扣价： 33 元  纸质版：38元 / 折扣价： 33 元

本文件规定了寿山石田黄和拼合寿山石田黄的鉴定特征和鉴定方法。
本文件适用于寿山石田黄原石和成品的鉴定。

   电子版：70元 / 折扣价： 60 元  纸质版：暂无

This standard specifies the terms and definitions, testing methods, testing characteristics, classification methods, naming rules and representation methods of amber.
This standard is applicable to testing and classification of amber.

   电子版：648元 / 折扣价： 551 元  纸质版：暂无

This standard specifies the grading rules for natural unmounted and mounted jadeites which have been ground and polished.
This standard is applicable to natural unmounted and mounted jadeites which have been ground and polished.

   电子版：708元 / 折扣价： 602 元  纸质版：暂无

This standard specifies the terms and definitions of natural unmounted and mounted polished diamonds, diamond color, clarity, cut grading rules, diamond weight and diamond grading report.
This standard is applicable to diamond grading and related activities in the fields of gems testing, cultural relics testing, commerce and trade, customs, insurance, pawn, asset evaluation, scientific research teaching, and literature publishing.
The color grading in this standard is applicable to unmounted and mounted polished diamonds in the color series ranging from colorless to pale yellow (brown, gray).
The cut grading in this standard is applicable to unmounted and mounted polished diamonds of round brilliant cut.
The grading rules in this standard are applicable to unmounted and mounted polished diamonds that have not been treated by coating,filling, etc.
The grading rules in this standard are applicable to unmounted polished diamonds with a weight of 0.040 0 g(0.2

   电子版：1104元 / 折扣价： 939 元  纸质版：暂无

This standard specifies the terms and definitions, naming rules and representations of gems.
This standard is applicable to gems naming.

   电子版：708元 / 折扣价： 602 元  纸质版：暂无

This standard specifies the grading rules for natural untreated and unset polished yellow diamond.
This standard is applicable to the grading of unmounted polished yellow diamond. It may serve as a reference for the grading of mounted polished yellow diamond.

   电子版：456元 / 折扣价： 388 元  纸质版：暂无

This standard specifies the grading rules for unmounted polished and faceted natural rubies which haven't been subjected to enhancement.
This standard is applicable to the grading of unmounted polished and faceted natural rubies which haven't been subjected to enhancement. For the grading of mounted faceted polished rubies,this standard may be used as a reference.

   电子版：516元 / 折扣价： 439 元  纸质版：暂无