Ruminiyaning maxsus o'yilgan bilaguzuklarini kesish sifati va oloviga kirish

Yong'in rangi yorug'lik ostida yalang'och ko'z bilan buklangan marvaridlarning burmalarini bildiradi.. Qimmatbaho toshning sinishi ko'rsatkichi qanchalik baland bo'lsa, olov rangi kuchliroq, uni chaqiriladi "juda yorqin". Yaxshi qimmatbaho tosh yaxshi rangga ega, just like a person's skin is good; yaxshi olov rangi insonning tana nisbati yaxshi ekanligini anglatadi. Ayniqsa, qizil va safir, agar rang yorqin va to'yingan bo'lsa, olov ko'zni qamashtiradi. A 1 karat Birma kaptarining qoni yoquti haqida 22,000-44,000 yunan; agar rang shaffof bo'lmasa va porlamasa, qiymati deyarli kamroq 10,000 yunan.

Xom ruda kesilgan va silliqlanganidan keyin, yalang'och toshga aylanadi. Uni tugallangan halqaga ishlov berishdan oldin, it will be selected by the gem dealer through an intermediary. Almost dozens of people have seen the goods every day. If there is no individual package, the gem facets and facets will scratch each other during the selection process, which is easy to wear. When observing the cutting, pay special attention to not missing corners, breakages, or scratches. These pits and scars are bound to affect the beauty and value of the gem. In this part, some of the sodium is not easy to see with the naked eye and must be observed with a magnifying glass. If you accidentally buy a gemstone with scratches or nicks and holes, you can resurface it by polishing and cutting.

Gemstones are priced by weight. In order to retain more weight, some companies do not polish the back, ayniqsa, shaffof bo'lmagan mushuk ko'zlari yoki yulduz toshli tuxum yuzli toshlar uchun. O'quvchilar sanoat burchaklarni kesmoqda deb o'ylamasliklari kerak. Aslida, asosiy e'tibor qimmatbaho toshning old qismi benuqsonmi yoki orqa tomoni jilolanganmi yoki yo'qmi. Bu asosan zararsizdir. Siz hatto ushbu kichik kamchilikni tushunishingiz va sanoat bilan o'rtacha savdolashishingiz mumkin!

Bunga qo'chimcha, tabiiy qimmatbaho toshlar har doim kamchiliklarga ega. Dog'lar uchun baholash standarti dastlab faqat olmos uchun ishlatilgan. Yaqin o'tkan yillarda, onlayn auktsionlarning keng tarqalganligi sababli, xaridorlar ob'ektni ko'ra olmasalar, sotuvchilar xaridorlarga hukm qilish va murojaat qilishni osonlashtiradi. Shu sababli, online auctioneers and buyers have agreed to use the diamond's defect level in the auction of other colored gemstones. Tranzaksiya nizolarini oldini olish uchun standartlar. Ammo, olmoslardan tashqari, the orders of other colored gemstones only indicate the color, whether it is natural, whether it has heat treatment and optimization treatment, or the place of origin, and does not indicate the defect level.

 

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OEM / ODM Zargarlik buyumlari ishlab chiqaruvchisi o'z zargarlik buyumlarini ojizlashtiradi

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