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solid rose gold earrings Basic quality evaluation of sapphire

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Sapphire is a symbol of calmness and wisdom. Sapphire has a lofty status in European and American countries. In Europe, sapphire blue is known as “Royal Blue”. In the United States, sapphire is also designated as “national stone”. “The Duke of Windsor once gifted a sapphire ring to his beloved wife as a gift of love. O'shandan beri, sapphire has also been passed down as a letter of faithful love.

The quality evaluation of sapphire is mainly based on color, sifat, ravshanlik, transparency and cut. The primary factor of economic evaluation is color, followed by quality, clarity and transparency.

(1) Color. One type of high-quality sapphire is represented by “Kashmiri” sapfir (cornflower blue); the second is represented by the deep blue high-quality sapphire produced in Mogok, Burma, based on its rich color and purity.

(2) Sifat. High-quality sapphires above 1 ct are not uncommon, so the larger the sapphire, the better.

(3) Clarity. Sapphire has different requirements for the evaluation of clarity. Masalan, some sapphires contain rutile inclusions inside, which interfere with light and make the surface produce silky brilliance. They are also extremely valuable and high-quality gems. The clarity of sapphire is better than that of ruby, and it is more demanding. Umuman, it is required to be flawless with naked eyes.

(4) Transparency. Sapphire has less impurities than ruby, and generally requires the higher the transparency, the better.

(5) Cut work. Consistent with ruby ​​evaluation elements.

Qisqasi, the main evaluation of sapphire is: in addition to quality, it is consistent with the evaluation elements of ruby. The quality of blue sapphires is roughly divided into the order of origin: Kashmir, Mogok in Myanmar, Pailin in Cambodia, Sri Lanka, Thailand, Montana, Shandong, Xitoy, and New South Wales, Avstraliya.

 

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Guangzhou Jeyning Custance World Wewlass marjonlari markali ziraklarni suzadi 925 zargarlik buyumlari,Sterling kumush oltin 18k bilan qoplangan,14K,24K sariq oltin,oq oltin va Rose Gold.it Custom zargarlik buyumlari turli xil dizaynga ega,logo brend yoki mijozning talabiga binoan lazerni o'yma.

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