鑽石,一種稀少而具有高收藏價值的寶石。Lovebird Diamond為你挑選最適合的完美鑽石。
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FB: www.facebook.com/lovebirddiamond
1) Carat克拉
鑽石的重量是以克拉(俗稱卡)為標準,一克拉共可分為100份,而一克拉相等於0.2克重。鑽石愈大,重量愈重,價值就愈高。但兩顆相同重量的鑽石,會因應其不同的質量而有截然不同的價值。
2) Color色澤
色澤是決定鑽石價值的其中一個重要因素。一般人大多數以為鑽石是無色的,事實上,大部份鑽石都帶點淡黃色。一般鑽石的顏色是由 D-Z排列,D色為最白的鑽石評級直至Z色帶淡黃色。愈是剔透的鑽石最為罕有和珍貴,價值亦愈高。
3) Clarity 淨度
鑽石的淨度是指出現在鑽石內細小的天然雜質(亦稱之為內含物),由於鑽石是天然的礦物,所以有天然的瑕疵是很常見的。內含物愈少愈細,折光效果愈佳。鑽石的淨度等級由無瑕至有瑕級,一般可以分為:
FL – Flawless無瑕級
IF – Internally Flawless內無瑕級
VVS1 – Very Very Slightly Included 1極輕微瑕級1
VVS2 - Very Very Slightly Included 2極輕微瑕級2
VS1 - Very Slightly Included 1輕微瑕級1
VS2 - Very Slightly Included 2輕微瑕級2
SI1 – Slightly Included 1微瑕級1
SI2 – Slightly Included 2微瑕級2
I1 – Included 1有瑕級1
I2 – Included 2有瑕級2
I3 – Included 3有瑕級3
IF – Internally Flawless內無瑕級
VVS1 – Very Very Slightly Included 1極輕微瑕級1
VVS2 - Very Very Slightly Included 2極輕微瑕級2
VS1 - Very Slightly Included 1輕微瑕級1
VS2 - Very Slightly Included 2輕微瑕級2
SI1 – Slightly Included 1微瑕級1
SI2 – Slightly Included 2微瑕級2
I1 – Included 1有瑕級1
I2 – Included 2有瑕級2
I3 – Included 3有瑕級3
4) Cut 車工
鑽石的車工是指切割,等級可以分為:
- Excellent (EX) 極好
- Very Good (VG) 非常好
- Good (G) 好
- Fair 一般
- Poor 不良
車工是4C中非常重要的一環,因為比例合宜的切割,可以將鑽石的光線折射到臺面,充分展現出鑽石的光芒。鑽石切割過深或過淺,會令光線由不同位置走失而令亮度受損,失去鑽石應有的光澤而變得暗淡。
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