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  1. 182 products. 18K White Gold Engagement Rings. 366 products. 18K Yellow Gold Engagement Rings. 359 products. 18K 玫瑰金. 444 products. 18K 白金. 853 products.

    • 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. 2022年12月5日 · 美國聯邦貿易委員會- 重新定義鑽石. 美國聯邦貿易委員會 (Federal Trade Commission,FTC)是美國著名的獨立政府機構,在國際上從事商業行為的人應該耳熟能詳。. 該機構成立宗旨有二:. 如果你考慮購買一顆 實驗室培育鑽石 ,積極的在家上網作功課,你 ...

  3. 2022年9月27日 · 男士求婚常向女方送上鑽stone戒指,不過美國一名男士卻因此由訂婚變鬧分手。男事主近日花費約16萬港元購買一枚3.6卡鑽戒向女友求婚,대방향最初欣然答應,但查看鑽stone證書後卻因鑽stone屬「實驗室培育」而悖然大怒,要求他退換成同價 「天然鑽stone」,否則會拒絕婚事及分手,並憤而欬回娘 ...

  4. 不丹 - HKD $ 中國 - CNY ¥ 中非共和國 - XAF Fr 丹麥 - DKK kr. 亞塞拜然 - AZN 亞美尼亞 - AMD դր. 以色列 - ILS ₪ 伊拉克 - HKD $ 俄羅斯 - HKD $ 保加利亞 - BGN лв. 克羅埃西亞 - EUR € 冰島 - ISK kr 列支敦斯登 - CHF CHF 利比亞 - HKD $ 剛果(布拉薩) - XAF Fr 剛果(金夏沙) - CDF Fr 加彭 - XOF Fr 加拿大 - CAD $ 匈牙利 - HUF ...

  5. 2022年5月30日 · 實驗室製造鑽石指南 在過去的 10 年中,實驗室製造的鑽石作為天然鑽石的一種經濟實惠的替代品,越來越受歡迎。實驗室培育的寶石可以輕鬆匹配任何天然寶石的光澤,但許多人認為它們不那麼稀有和珍貴。我們正在闡明是什麼讓這些實驗室製造的鑽石與天然寶石如此相似但又大不相同。

  6. 2022年8月2日 · 讓我們仔細看看影響鑽石切工質量的兩個因素,鑽石的台面和深度。它們都有助於定義鑽石的物理形狀並有助於其閃耀,創造出我們都喜歡的令人眼花繚亂的外觀

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