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  1. rosellejewelry.comRoselle Jewelry | Your Jewelry Specialist | 您的首飾訂製專家

    Opening Hours. Monday to Saturday : 12:00 PM – 8:00 PM. Sunday & public holiday : 12:30 PM – 7:30 PM. +852-6165 7595.

  2. rosellejewelry.com › blogs › newsLab Grown Diamond(實驗室培育鑽石)鑑定書 IGI & GCAL & GIA

    2022年6月10日 · 下圖中，灰色部分為刻面輪廓，白色為光線返回區，藍色為光線損失區，透過量化這些部分，可以將等級區分為 Excellent, Very Good, Good, Fair 共4個等級。 GCAL 光學閃耀度分析

  3. zh.rosellejewelry.com › pages › lab-grown-diamonds-stone-guide實驗室培育鑽石指南 – Roselle Jewelry

    • 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...

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    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.

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    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...

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  4. zh.rosellejewelry.com › pages › depth-and-table-for-a-princess公主方形鑽石的深度和台面 – Roselle Jewelry

    公主方形切割鑽石. 自 1980 年代首次推出以來，公主方形切割在鑽石形狀中的受歡迎程度穩步上升。 目前， 公主方形剪裁是第二受歡迎的形狀 並且還在上升。 彈性款式，公主方形切割訂婚戒指 非常適合傳統和現代風格的粉絲。 公主方形切割鑽石的優點之一是 由於使用了獨特的切割和拋光技術，任何現有的夾雜物都不太明顯 。 公主方切工雖然隱藏了內含物，但也更清楚地顯示了顏色。 然而，通過適當的比例，這是可以避免的。 有趣的是，公主鑽石是一個很好的選擇，不僅因為它們閃耀著光芒，而且因為 它們往往成本較低 。 在切割公主方形時，由於切割過程，鑽石原石的損失較少。 事實上，公主方形切割鑽石是 最有效的切割形狀之一 利用原石重量的 60% 以上。

  5. zh.rosellejewelry.comRoselle Jewelry

    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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  6. fr.rosellejewelry.com › blogs › news實驗室培育鑽石 與 各款仿品比較 – Roselle Jewelry

    2022年12月5日 · 又稱人造水晶，晶鑽或萊茵石，在市場上有各種名稱。是一種加了鉛與塗層的玻璃，硬度極差，平日配戴較易因為磨損，而失去光澤與火彩 (圖中可見磨損與缺角)。

  7. rosellejewelry.com › pages › ring-size-chartRing Size Chart – Roselle Jewelry

    銷量最多的Roselle Jewelry 男裝戒指尺寸介乎 16 至 20。. 尺寸17是最常見的戒指尺寸。. 我們提供不同的尺寸量度方式： 1.免費下載我們的尺寸指南，內含戒指尺寸對照表 點擊下載：中文下載 英文版下載 2.免費獲得尺寸量度器：點擊進入購物頁面加入購物車 戒指 ...

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