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  1. 2019年10月26日 · 10分鐘讓你全面了解akoya天女珍珠(附珍珠賣家騙術揭露). 近年來日本akoya珍珠風靡全國,無論網店還是實體店的珍珠消費者,無一不愛日本akoya珍珠。. akoya珍珠因其靚麗的光澤,豐富的色彩,素有“小燈泡”的美譽,代表了東方女性之美。. 作為當今 ...

  2. 2019年10月26日 · 10分鐘讓你全面承知akoya天女珍珠(附珍珠賣家騙術揭露). 2019年10月26日. で News 0件のコメント. 今年未来日本akoya珍珠風を飾る全國,無論網店還是實體店的珍珠消費者,無一不愛日本akoya珍珠。. 東方女性之美。. 作為今珍珠資深玩家の“標配 ...

    • How Are Lab-Created Diamonds Made?
    • Lab Grown Diamond Benefits
    • What Colors Are available?

    Each laboratory-created diamond is grown by placing a diamond ‘seed’ into a chamber of heat and pressure. This chamber mimics the natural growing process. Crystallization occurs allowing the lab-grown diamond to mature within six to ten weeks. It is then cut, polished and graded by the same world-renowned labs that certify earth-mined diamonds. The...

    UNMATCHED BEAUTY

    Our collection of lab-created diamonds are available up to IF in clarity, D in color, Ideal in cut, and up to 10 carats in size. They come in a variety of shapesincluding round, rose, emerald, cushion, oval, oval rose, heart, princess, trillion, and radiant. Colors include white, yellow, blue, pink, and green.

    UNRIVALED QUALITY

    Unlike other retailers, every Rooselle Jewelry lab-created diamond is Type IIa, the purest form of diamond. They are harder and more brilliant than Type Ia diamonds. Only 2% of earth-mined diamonds are of this quality. Furthermore, each diamond is graded and certified by the same leading independent gemological labs that are used to grade earth-mined diamonds.

    UNBEATABLE VALUE

    Lab-created diamonds cost up-to 40% less than their mined diamond equivalents. Buyers beware: keep an eye out for "grown diamonds" sold for a few hundred dollars per carat. If the deal seems too good to be true, it probably is. Only diamond simulantsfall in this price range.

    WHITE LAB-CREATED DIAMONDS

    A pure carbon diamond with no impurities will grade as a colorless diamond. However, the majority of both mined and lab-created diamonds contain impurities, most of which are nitrogen. The nitrogen atoms within the diamond lattice create the yellow tint. In cases of fancy colored diamonds, a pure yellow color is created. Nearly all diamonds, both mined and lab-created, start out as yellow diamonds. Over the span of millions of years and exposure to pressure and heat, mined diamonds split the...

    YELLOW LAB-CREATED DIAMONDS

    Roselle Jewelry’s yellow lab-created diamonds are optically, chemically and physically identical to yellow earth-mined diamonds, but are offered free of conflict and on average 10% of the cost. They are available in a color range from fancy yellow to fancy vivid yellow, in sizes up to 2.0 carats and a variety of shapes. Both mined and lab-created yellow diamonds get their color from nitrogen. While diamonds are made up of carbon, impurities within the stone exist. It is the introduction of th...

    BLUE LAB-CREATED DIAMONDS

    Blue lab-created diamonds are optically, chemically and physically identical to blue earth-mined diamonds and are offered free of conflict and about 10% of the cost. They are typically offered in sizes smaller than 1.50 carats and come in a color range of fancy light blue to fancy intense blue. Both mined and lab-created blue diamonds get their color from boron. While diamonds are made up of carbon, impurities within the stone exist. It is the introduction of these impurities, in this case bo...

  3. 2019年10月26日 · 天女,由日本真珠科學研究所命name,代表了白color系akoya珍珠中的卓越product質。. 日本真珠科學研究所所長小松博2001年發現,지금珍珠專用鑑determined 儀器的觀測下,可以看到에서 優質akoya珍珠下半球會現3種干涉color,即“極光效應”。. 具備了“極光效應”的 ...

  4. 2019年6月26日 · 2.RZ石的切工和完美切工的天然鑽石是否一樣. 3.燈光下轉動RZ石和天然鑽石顏色轉變和在沒燈光的情況下又會否一樣. 4.RZ石的耐用度, 會否容易侵蝕變模糊. 5.RZ石材質和通透度是否和天然鑽石一樣帶有金剛光澤. 如不在燈光下配帶, 沒什麼要求, 可以買一般的仿鑽 ...

  5. 光進入實驗室製造的鑽石時,從鑽石中返回的有色光的分散或分離與地球開采的鑽石相同。 莫氏硬度 10 10 實驗室製造的鑽石是純碳,就像地球開采的鑽石一樣。 結果他們的硬度是相同的。 密度 3.52 3.52 實驗室培育鑽石和地球開採鑽石的體積密度或密度 ...

  6. 2021年7月13日 · Roselle Jewelry 網店/實體店均已支援 Alipay支付寶 (澳門) 今後は、既存の銀行振込および國際支持付を除いて、多くの候補者が選択できます。. -----------------------. 網上購買物風氣盛行,全球網購買發展迅速,淘寶是無人不知大網購買平台,發展那麼多年 ...

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