作為卡地亞一個多世紀以來的經典佳作，歷久常新的簡約設計贏得一眾女士的歡心。標誌性的四爪鑲崁不但令鑽石的輪廓更立體，還突顯其璀璨奪目的光芒，象徵相伴終生的愛之諾言。
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Other rings, like cluster engagement rings, can create a exclusive appear with gems of various carats and designs in lieu of just one focal diamond or gemstone.
Diamond unit mobile, demonstrating the tetrahedral composition The commonest crystal composition of diamond is called diamond cubic. It is formed of unit cells (see the determine) stacked alongside one another. Even though you'll find 18 atoms in the figure, each corner atom is shared by 8 device cells and every atom in the center of the confront is shared by two, so you'll find a complete of 8 atoms for each device cell.[eighteen] The size of both sides from the device mobile is denoted by a which is 3.567 angstroms.[19]
以鑽石、貴金屬這樣堅固且不受時空侵擾的物質所製成的對戒，更是代表了歷久彌新且堅若磐石的情感。
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The De Beers business, as the globe's largest diamond mining enterprise, retains a dominant situation from the marketplace, and has carried out so because quickly immediately after its founding in 1888 because of the British businessman Cecil Rhodes. De Beers is now the earth's premier operator of diamond manufacturing facilities (mines) and distribution channels for gem-quality diamonds. The Diamond Investing Enterprise (DTC) is usually a subsidiary of De Beers and marketplaces rough diamonds from De Beers-operated mines. De Beers and its subsidiaries very own mines that create some 40% of once-a-year entire world diamond creation.
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一般的方法是把鑽石按偏黃的程度分為不同的等級，把樣品與已知色級的比色石對比確定，以D級最高，Z最低。
鑽石的色澤會因為化學上的雜質而有所偏差。完全純正的鑽石應該是透明無色的。鑽石偏向不同的顏色會影響它的價值。絕大部分的鑽石都是因為帶有氮原子而偏黃。白鑽越偏黃，價值便越低。但是偏粉紅或藍的鑽石價格卻較高。顏色強烈偏向粉紅或藍的鑽石可能價值連城。
At room temperature, diamonds will not 求婚鑽戒 react with any chemical reagents which include robust acids and bases.