網頁Diamond shapes are categorized into two groups: round diamonds and fancy shape diamonds. Round brilliant diamonds are the most traditional diamond shape. Tiffany fancy shape diamonds include princess, cushion, emerald, oval, pear, marquise, heart and our exclusive Tiffany True® diamond.
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網頁All Tiffany diamonds are masterfully cut to maximize brilliance. There are three diamond cuts used to craft every diamond shape: brilliant cut, step cut and mixed cut.
網 頁 A l l T i f f a n y d i a m o n d s a r e m a s t e r f u l l y c u t t o m a x i m i z e b r i l l i a n c e . T h e r e a r e t h r e e d i a m o n d c u t s u s e d t o c r a f t e v e r y d i a m o n d s h a p e : b r i l l i a n t c u t , s t e p c u t a n d m i x e d c u t .
網頁2016年1月14日 · The Basics. The GIA Cut Grading System applies to the most popular cutting style – the standard round brilliant – and all clarities across the D-to-Z color range. There are five cut grades: Excellent (EX), Very Good (VG), Good (G), Fair (F) and Poor (P). A diamond with an Excellent cut grade is very bright.
網頁This short video explains the GIA cut scale and how GIA classifies round brilliant cut diamonds with a cut grade ranging from Excellent to Poor by factoring in a range of parameters including the diamond’s proportions, culet size, girdle thickness, polish and symmetry descriptions.
網頁A diamond’s cut refers to how well-proportioned the dimensions of a diamond are, and how these surfaces, or facets, are positioned to create sparkle and brilliance. For example, what is the ratio of the diamond’s diameter in comparison to its depth? These small, yet essential, factors determine the diamond’s beauty and price.
網頁鑽石指南. 在 Tiffany Co.，近 2,300 位世界上最才華洋溢的工匠，以最高標準的切工雕琢鑽石。 Tiffany 領先業界，為所有圓形明亮式切割鑽石帶來三優（Triple Excellent）切工。 因此，唯有最精心打造的鑽石，才得以置入傳奇 Tiffany Blue Box。 4C. 每顆鑽石都像人類的指紋那樣，具有某些獨特的特徵。 4C（顏色、淨度、切工及克拉）是評估鑽石質量的全球公 …
網頁2022年8月2日 · 鑽石切割是鑽石閃爍度的關鍵，決定了鑽石的折射率和折射角度，從而主宰鑽石的質素和光采。. 三大最流行的鑽石切割、也是珠寶店最常見的：圓形切割 (Brilliant Cut)、公主方切割 (Princess Cut)及枕形切割 (Cushion Cut)，人氣款式梨形切割 (Pear Cut)、 …
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網頁2020年5月12日 · 正方祖母綠形切割 （Asscher Cut），又名上丁方形切割鑽石，跟祖母綠形切割方法一樣，差別只是呈正方形。 而正方祖母綠形切割方法是由英國皇室御用鑽石切割師 Joseph Asscher 於 1902 年所發明的鑽石切割方法，有明顯的切角，使鑽石看起來近乎是八 …
網頁Whether a diamond is dazzling or not depends on the cut of the diamond, so the cut controls the quality of the diamond. The diamond cutter will accurately calculate the most perfect cutting angle ratio according to the optical properties of the diamond, so that the diamond exhibits the best dispersion and brightness.
網頁鑽石切割 (CUT) ※一顆鑽石必須切割得好才能顯現出它的美感，切割如果不良，則鑽石不但沒有美感而且會變得黯然無光。. 一顆鑽石的鑑定書上會詳細記載這科鑽石的各種切割比率，如深度、桌面百分比等，一顆鑽石若以直徑為單位，目前國際市場上通行的標準
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