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  1. 2022年6月10日 · Roselle Jewelry網站上的培育鑽石產品,包含了全球三大最受歡迎的培育鑽石鑑定證書: IGI 國際寶石鑑定所 GCAL 寶石鑑定與保障實驗室 GIA 美國寶石研究院 1. IGI 鑽石鑑定書 IGI 國際寶石鑑定所,於1975年在比利時安特衛普成立,這是國際上歷史悠久的鑽石切磨和貿易中心。

    • 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...

  2. 在最近接受 TVB 採訪時,店主 Jacob 討論了實驗室培育鑽石和天然鑽石的未來發展趨勢。. 讓我們深入探討一下訪談的要點。. 實驗室培育鑽石與天然鑽石 實驗室培育的鑽石是在受控環境中使用先進技術製造的,複製了天然鑽石的培育過... Ideal 是什麼?. 比GIA證書 ...

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  3. 2022年6月10日 · Roselle Jewelry網站上の培育水平石產品,包含全球三大最受歡迎的 培育水平石鑑定證書: IGI國際寶石鑑定所 GCAL 寶石鑑定與保障實驗室 GIA 美國寶石研究院 1. IGI 尖石鑑定書 IGI 國際寶石鑑定所,於 1975 年在比利時安特衛普成立,這是國際上歷史悠久的水平石切磨和貿易中心。

  4. 2022年6月10日 · GIA 美國寶石研究院. 1. IGI 尖石鑑定書. IGI 國際寶石鑑定所 ,於 1975 年在 比利時安特衛普 成立,這是國際上歷史悠久的水平石切磨和貿易中心。 IGI為評価實驗室培育ダイアン石最も通用的な機構之一、他們的證書詳細介紹了每顆舘石の關鍵特徵、主要可分為以下種類。 IGI-1克拉以上. IGI培養培石鑑定書. IGI- 1卡/克拉以上 (附雷射刻字影像版) IGI培養培石鑑定書. IGI- 1卡/克拉以下. IGI培養培石鑑定書. IGI- 1卡/克拉以下 (附雷射刻字影像版) IGI培養培石鑑定書. *號書編號將刻は播磨石腰圍上にあり、上記の1.11カラットの培育尖石腰圍雷射刻文字編をご覧ください。 2. GCAL 進歩石鑑定書.

  5. 2022年6月10日 · IGI 國際寶stone鑑定所 ,於1975年 比利時安特衛普 成立,這是國際上歷史悠久的鑽stone切磨와貿易中心.過程中進行了多項創新,並培訓了許多世界頂級寶석학 가족.IGI는 일반적으로 사용하는 機構之一, 他們的證書詳細介紹了每顆鑽關鍵特徵,主要可分為以下種類. IGI- 1克拉以上. IGI 培育鑽석鑑정서. IGI- 1卡/克拉以上 (附雷射刻字影image版) IGI 培育鑽석鑑정서. IGI- 1卡/克拉以下. IGI 培育鑽석鑑정서. IGI- 1卡/克拉以下 (附雷射刻字影image版) IGI 培育鑽석鑑정서. *證書編號將刻는 鑽stone腰圍上,以供查驗,見上述1.11ct 培育鑽stone腰圍雷射刻字編號입니다. 2. GCAL 鑽석鑑정서.

  6. 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). 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。. 作為當今珍珠資深玩家の“標配”,絕大多數消費者必擁有一條“天女”,或は準備 ...

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