wholesale monogram initial jewelry Gem appraisal certificate

wholesale jewelry loupes As shown in Figure 5-2, it generally includes the following content:
(1) Color: The color description in the identification certificate is mainly for the color of the unsolved jewelry and jade itself and the main stone color of the inlaid jewelry.
(2) Total quality: ① The quality of the unsolved jewelry and jade itself. In terms of jewelry, the total quality includes the quality of the bracket and the gemstone inlaid. The export unit (G) of the statutory unit kilograms is used in the quality of the quality. In order to adapt to the traditional use of carats in the jewelry industry, the quality of the non -embedded jewelry and jade can be added to the corresponding carat value after gram.
Figure 5-1 Inlaid diamond grading certificate
(quoted from Wang Bei, 2006)
(3) shape: generally write the shape of the main stone, such as oval aspect, Oval plain plane, etc.; Carved parts write their morals, such as more than year after years, Ruyi, etc.
(4) density, refractive index, dual refractive index, optical characteristics, multi -color, absorption spectrum, etc. are all professional terms that explain the basic physical properties of jewelry and jade.
(5) Apricum inspection: Record the internal and external characteristics of jewelery jewelry, such as: parcel body, feathers, etc.
(6) Others: The names and purity of the precious metals used in the jewelry of the jewelry used in this column are stated in this column. For example, 18K gold indicates gold inlaid for jewelry, with a purity of 75%; if necessary, it is clear that some special testing methods used outside the common test, such as the infrared spectrum test of emeralds. It can also be stated that some special circumstances that need to be added to the samples that need to be added, such as "diffusion treatment", "dyeing treatment", or some special descriptions of the test results, such as the color cause of the color of a blue Topa stone When unknown, it can be stated in the remarks column that "the Topa stone may be handled by artificial radiation."
(7) Appraisal results: The final conclusion after the sample was identified in this column.
Figure 5-2 Gem identification certificate
(quoted from Wang Bei, 2006)