無限上網plan 相關
廣告
搜尋結果
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 ，積極的在家上網作功課，你會發現未來鑽石的各個品牌100%會提到美國 FTC 更改了鑽石的定義。 他們提到： 實驗室培育的鑽石與天然鑽石具有相同的光學、物理與化學特性，都是鑽石。 鑽石這個詞不再專指天然開採的鑽石，因為科技的進步，科學家們已經能夠在實驗室培育出很好的鑽石 。 對於消費者來說，這無疑是一篇看過就會遺忘的新聞。
- 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8月25日 · 通過個性化的結婚戒指雕刻，使您的珠寶更有意義。 當代激光技術為添加文字雕刻帶來了很大的創造靈活性。 從首字母縮寫到有意義的日期，您對環形雕刻的選擇非常無限。 需要一些啟發嗎？
noun. A hair ornament consisting of a feather plume or spray of glitter, often accentuated by either a jewel or buckle. A trend originated in India in the 1200’s, and whose popularity peaked in Europe in the 1800’s, is an extravagantly long, soft feather, or arrangement of feathers, typically arranged on the hair or hat.
2022年12月5日 · 미국 연방 무역위원회 (FTC) 다음이 있습니다: 保護消費者 消除壟斷商業行為 如果你未你慮購買一顆實驗室培育鑽stone ,積極的在家上網未你會發現未來鑽stone 各個product牌100%會提到美國 FTC 更改了鑽stone의 정의입니다.他們提到: 實驗室培育的鑽stone與
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 ...
2022年5月30日 · Lab-grown Diamond Guide Over the past 10 years, lab-grown diamonds have steadily grown in popularity as an affordable alternative to natural diamonds. Lab-growns can easily match the sparkle of any natural stone, but many consider them to be less rare and precious. We’re shedding light on what makes these lab-created d
