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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 ...
2022年12月5日 · 2022年12月5日. 在 新文章 0 comments. 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：. 保護消費者. 消除壟斷商業行為. 如果你正考慮購買一顆 實驗室培育鑽石 ...
- 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...
2019年6月25日 · 枕形切割之碎冰切割. June 25, 2019. In News 0 comments. 如果你是一個皇室迷或者對於英國皇室的好奇。. 自哈利皇子與梅根馬克爾訂婚以來。. 你會留意到她佩戴的竟不是一般認知的圓形鑽石。. 而是Cushion (墊形/枕形)。. 好多客未必了解Cushion (墊形/枕形)。. 墊 ...
noun. A variation of Chrysoberyl, with the unique ability of changing color in natural or artificial light. Regarded as the birthstone of June, and the gem of the 55th wedding anniversary, alexandrite was originally discovered in 1830, derived from the great Czar Alexander II, the Crown Prince of Russia.
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） – Roselle Jewelry. October 26, 2019. In News 0 comments. 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。 作為當今珍珠資深玩家的“標配”，絕大多數消費者一定擁有一條“天女”，或者準備入手一條“天女”。 什麼是“天女”？ 作為akoya珍珠中高品質的代表，“天女”一詞可謂無人不知。 不過您真的了解“天女”嗎？ 日本真珠綜合研究所和GIA的珠寶應用鑑定師Yoko來為您解答“天女”的各個方面。 天女項鏈. 關於天女，您需要了解的.
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 ...
