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Five Steps to Ruby Grading New Zealand custom silver jewelry and Evaluation Standards

Diposting di oleh Kingjy

he grading and evaluation standards of rubies are mainly based on 1T and 4C: Transparansi, Warna, Kejelasan, Memotong, and Carat.

1. Transparansi: refers to the degree to which a gemstone allows visible light to pass through. In the visual identification of rubies, transparency is generally divided into five levels: transparan, tembus cahaya, tembus cahaya, sub-transparan, and opaque.

2. Warna: refers to the color of a gemstone under natural light. Since the light source will have a great influence on the color of red sapphire, the observation method of red sapphire classification is clearly required.

3. Kejelasan: refers to the amount of inclusions contained in gems. Ruby sapphires usually contain a certain amount of inclusions. Ukuran, kuantitas, vividness, and location of the inclusions have an important influence on the value of red sapphires. Under the naked eye, the grade of red sapphire is divided into five grades, and the grading evaluation standard of ruby.

Empat. Memotong: Including the orientation, type, proporsi, simetri, polishing degree, dll.. of cutting.

5. Berat karat: refers to the weight of gems. Under the condition of the same quality, the higher the weight, the higher the price of red sapphires, especially the price of high-quality red sapphires above 1 carat increases geometrically. The size and weight correspondence table of common red sapphire facets lists the correspondence between the size and weight of common red sapphire facets.

Karena itu, when you choose your favorite ruby ​​bracelet, cincin rubi, ruby ​​stud earrings, dll., you can use the ruby ​​grading evaluation standard as the basis and choose a reliable ruby ​​jewelry.

 

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