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腰圍厚度對鑽石的影響

Updated on 9 8 月, 2024

With over 40 years of expertise, Diamond Registry’s CEO and owner, Nissan Perla, is your trusted guide in the diamond-buying world. Recognized by prestigious publications like The Washington Post and Chicago Tribune, Nissan’s extensive knowledge and experience in evaluating, buying, and selling diamonds are unparalleled. Our commitment to integrity, transparency, and delivering exceptional value ensures that you make an informed decision when acquiring your timeless treasure. Choose Diamond Registry for personalized guidance, education, and a curated selection of the finest quality diamonds, backed by decades of industry expertise and dedication to your satisfaction.

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Published on 7 5 月, 2024
Updated on 9 8 月, 2024

What makes us your trusted partner

With over 40 years of expertise, Diamond Registry’s CEO and owner, Nissan Perla, is your trusted guide in the diamond-buying world. Recognized by prestigious publications like The Washington Post and Chicago Tribune, Nissan’s extensive knowledge and experience in evaluating, buying, and selling diamonds are unparalleled. Our commitment to integrity, transparency, and delivering exceptional value ensures that you make an informed decision when acquiring your timeless treasure. Choose Diamond Registry for personalized guidance, education, and a curated selection of the finest quality diamonds, backed by decades of industry expertise and dedication to your satisfaction.

腰圍是連接頂部(冠部)和底部(爪部)的鑽石部分。從頂部看,腰圍提供了鑽石的形狀,從側面看,它將圓形頂部與尖底部分開。對於圓形切工,它是鑽石的一個非常重要的組成部分,因為它會影響總切工等級。對於復雜的形式,腰圍厚度不是問題。腰圍存在於所有鑽石中,但其大小和拋光度各不相同。腰圍負責鑲嵌和固定鑽石,因此它必須堅固且能夠承受對鑲嵌的撞擊。當您購買經過認證機構分級的鑽石時,就像激光刻字位於腰圍上一樣。

鑽石的腰圍厚度可能會以多種方式影響它,從外觀到耐用性。在投資鑽石之前了解這些事實至關重要。

克拉重量

對於預算有限的人來說,腰圍寬度對克拉重量的影響非常重要(對於訂婚戒指來說,這是大多數買家)。更大的克拉重量(因此更高的價格標籤)將來自更厚的腰圍,但鑽石在鑲嵌中不會顯得更大。即使對克拉重量和價格的影響很小,錢仍然花在與鑽石的美麗或大小無關的東西上。在馬眼形、心形或梨形切割等花式形狀鑽石的拐角處加厚腰圍可能會提供額外的保護,防止碎裂。對鑽石購買者而言,最重要的方面是克拉重量。如果您正在尋找最大的鑽石,那麼購買腰圍特別厚的鑽石並不是最佳選擇。這是因為鑽石的腰圍非常厚,隱藏了大部分重量。從上往下看,一顆重 1.5 克拉、腰圍異常粗的鑽石和另一顆重 1.3 克拉、腰圍很薄的鑽石可能看起來大小相同。額外的 0.2 克拉可能值幾百美元,但它的腰帶浪費了它。

光回歸

鑽石的光芒來自於它的高光回報。在理想世界中,光線進入鑽石,然後通過其檯面射出。它在離開鑽石時分散開來,賦予它優質鑽石應有的光澤。如果沒有以適當的比例切割,非常厚或非常厚的腰圍可能會對光性能產生不利影響。腰圍太厚,無法以理想的角度充分反射通過桌子的光線。魚眼效應是由石頭內部的光線反射引起的。腰圍非常薄的鑽石可能存在同樣的問題,但原因不同。

耐用性

因為鑽石的壽命是終生的,所以在購買之前,您應該考慮一下它們的耐用性。腰圍是影響鑽石壽命的特徵之一。極薄的腰圍會影響鑽石的耐用性,從而影響鑽石的使用壽命。雖然鑽石可能會持續一生,但非常薄的腰圍會產生很窄的邊緣,隨著時間的推移容易碎裂。如果您正在尋找公主方形切割鑽石,請遠離極細和極細腰圍;公主方形切工已經有易碎的邊角,因此添加薄的腰圍和邊角會使鑽石更容易受到損壞。如果您的鑽石腰圍較薄,請選擇可以保留鑽石的鑲嵌方式,例如包鑲或鑽頭鑲嵌。

火與光

圍繞鑽石的刻面的相對位置也受腰圍寬度的影響。這意味著厚度會影響鑽石的光性能並無意中進行切割。具有極厚腰圍的鑽石將具有很多亮度和火彩,但前提是切工良好。另一方面,較厚的腰圍將鑽石的重量集中在中心,使鑽石從上方看時顯得更小。在檢查腰圍特別厚的鑽石時,考慮鑽石的整個尺寸至關重要。如果它們在正確的範圍內,那麼過厚的腰帶不會有太大的不同。請記住,腰圍厚度將被評估並包含在鑽石的最終切工等級中。這意味著即使寬度不在理想範圍內(薄 – 略厚),鑽石仍可被視為最佳切工並具有出色的火彩、亮度和閃爍度。

剪切

切工是 4C 標準中最重要的,因為它會影響光線進入和從鑽石反射的方式。對稱性涉及鑽石的腰圍與其切工質量之間的關係。 GIA 根據圓形切割鑽石的形狀精度和刻面(包括腰圍)的對稱性為圓形切割鑽石分配對稱等級。分級方法考慮了平均腰圍厚度以及最小和最大寬度。他們查看了 16 個山谷的地方,看看它們與鑽石的直徑相比有多厚。儘管任一極端的腰圍厚度並不一定意味著較低的切工質量,但一流和完美的鑽石通常具有從薄到略厚的腰圍。

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Nissan, David and his team were extremely accommodating, understanding and patient with our purchase. They took the upmost care to find the best solution for our needs and went above and beyond normal ‘customer service’ standards. I have absolutely no qualms recommending their products and services. Both were absolutely flawless. I will continue to sing them praises and will most definitely purchase from them again in the future. Thank you again!
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Bought a beautiful stone here for an engagement ring. I was a little apprehensive since you’re buying something unseen. But Cid made it easy. In fact, Nissan, the owner also gave a call to make me more comfortable. They sent me the stone to take to a local jeweler with only my Amex in case I bailed on them.
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