The Portuguese Diamond is a large octagonal-cut diamond known for its flawlessness and clarity. It weighs 127.01 carats (25.402 g). [1] Under ultraviolet light the stone gives out a strong fluorescence; under daylight or artificial light, it exudes a soft fluorescence and a bluish haze. The name "The Portuguese Diamond" was given by Harry. Portuguese cut is a type of cut used for diamonds and other gemstones. It is a step cut, meaning that it has a series of flat facets on the top and bottom of the stone, rather than the more traditional round or brilliant cut. The Portuguese cut is named after its country of origin, Portugal.
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A Guide to Gem Cutting Styles Gem cutting styles refer to the shape and arrangement of facets. The three most basic styles are brilliant, step, and mixed. Learn what characterizes these types of cuts and how faceters combine them to create many different gem designs. 7 Minute Read A Portuguese cut is a fancy brilliant cut where the pavilion features 3 rows of triangular facets while the crown features 2 rows of diamond-shaped facets. The result is a very brilliant gemstone with lots of scintillation that works best for light to medium-light gemstones. Portuguese cut gems feature faceting technique where the gem is cut with two rows of rhomboidal and three rows of triangular facets above and below the girdle (the girdle is the line that divides the top or crown of the stone from the bottom or pavilion). The Portuguese, a 127.01 carat Asscher cut diamond, was graded by GIA as VS 1 clarity, M color, with Very Strong blue fluorescence. Photo: Chip Clark, Courtesy: Smithsonian Institution The Portuguese is a classic example of what is sometimes referred to as an "overblue."
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Cut and designed by Jeff Graham. Because of the depth of the classic Portuguese, it works well basically with gems of RI 1.76 and higher. With gems of lower RIs, the classic cut always has a fairly large dead area in the stone, either in the center or out around the crown, depending on the angles used. A Simple Portuguese, 10.3 cts and 14 mm x 9.2 mm deep, cut from a top Nigerian rubellite tourmaline by Jeff Graham. You can follow the step-by-step faceting process for this gem here. My redesigned Portuguese cut has one less tier on the pavilion than the original. That's why I call it "simple." A Portuguese diamond is a round emerald- cut diamond. The stone has a weight of 127 carats and can be purchased or sold. It is priced at $300,000. In the Nation Gem Collection, there is one Portuguese Diamond with a total weight of 127.01 carats. The Portuguese Diamond at 127.01 carats is the largest faceted diamond in the National Gem Collection. Under ultraviolet light, this diamond glows bright blue, a phenomenon called fluorescence.. Its near flawless clarity and unusual octagonal emerald cut make it one of the world's most magnificent diamond gems. The diamond owes its name to a.
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The Portugese Cut is a popular and time honored design for larger stones. Due to its greater than normal depth it is best matched to stones of light to rather than dark color saturation. While the Portugese Cut has a large number of facets, it can be faceted using straightforward meetpoint technique. Portuguese Cut Diamond (1 - 60 of 1,000+ results) Price ($) Shipping All Sellers Vintage 6 MM To 15 MM Colorless White Portuguese Cut Loose Moissanite For Jewellery (Wholesale Price) | Vintage Style Moissanite (18) $42.50 $50.00 (15% off) FREE shipping
The Portuguese cut is specifically designed to enhance the brilliance and sparkle of diamonds by optimizing light reflection and refraction within the stone. Through its precisely angled and multifaceted design, the Portuguese cut unveils a mesmerizing interplay of light, elevating the diamond's fire and scintillation to unparalleled heights. Portuguese Cut Diamond Ring (1 - 60 of 854 results) Price ($) Shipping Recommended Sort by: Relevancy Moissanite Engagement Ring - 2.50 Ct Portuguese Cut Solitaire Ring - Wedding Band Eternity Ring for Her - Minimalist Ring Anniversary Gift (522) $172.50 $230.00 (25% off) FREE shipping
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