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ID: 4396631 pcs
thumb image of 45.6ct Oval Portuguese-Cut Bi-Color Ametrine (ID: 439663)
45.64 ct Ametrine
26.3 x 20.6 mm
$ 273.84
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ID: 4394881 pcs
thumb image of 79.1ct Oval Portuguese-Cut Violet Amethyst (ID: 439488)
79.08 ct Amethyst
29.9 x 23.9 mm
$ 553.56
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ID: 4396621 pcs
thumb image of 44.5ct Oval Portuguese-Cut Bi-Color Ametrine (ID: 439662)
44.46 ct Ametrine
24.6 x 18.6 mm
$ 266.76
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ID: 4394891 pcs
thumb image of 70.3ct Oval Portuguese-Cut Violet Amethyst (ID: 439489)
70.33 ct Amethyst
33.5 x 25.1 mm
$ 421.99
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ID: 4394011 pcs
thumb image of 43.4ct Oval Portuguese-Cut Bi-Color Ametrine (ID: 439401)
43.37 ct Ametrine
24.8 x 19.3 mm
$ 260.22
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ID: 4613851 pcs
thumb image of 47.7ct Oval Portuguese-Cut Violet Amethyst (ID: 461385)
47.72 ct Amethyst
28.5 x 21.1 mm
$ 334.04
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ID: 3313921 pcs
thumb image of 45.6ct Oval Portuguese-Cut Yellow Golden Citrine (ID: 331392)
45.55 ct Citrine
24.7 x 19.9 mm
$ 332.52
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ID: 4394871 pcs
thumb image of 43.3ct Oval Portuguese-Cut Violet Amethyst (ID: 439487)
43.30 ct Amethyst
27.9 x 18.7 mm
$ 303.10
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ID: 3386021 pcs
thumb image of 199.7ct Oval Portuguese-Cut Lemon Quartz (ID: 338602)
199.65 ct Quartz
42.4 x 33.4 mm
$ 413.28
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ID: 4394861 pcs
thumb image of 45.7ct Oval Portuguese-Cut Violet Amethyst (ID: 439486)
45.67 ct Amethyst
30.2 x 20.4 mm
$ 274.00
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ID: 4394031 pcs
thumb image of 39.8ct Oval Portuguese-Cut Bi-Color Ametrine (ID: 439403)
39.81 ct Ametrine
23.9 x 18.2 mm
$ 238.86
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ID: 4396001 pcs
thumb image of 31.2ct Oval Portuguese-Cut Violet Amethyst (ID: 439600)
31.22 ct Amethyst
25.5 x 19.7 mm
$ 218.54
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ID: 3975741 pcs
thumb image of 54ct Oval Portuguese-Cut Yellow Golden Citrine (ID: 397574)
53.97 ct Citrine
27.5 x 22 mm
$ 323.82
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ID: 4394651 pcs
thumb image of 39.3ct Oval Portuguese-Cut Bi-Color Ametrine (ID: 439465)
39.31 ct Ametrine
22.6 x 17.4 mm
$ 235.86
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ID: 3292141 pcs
thumb image of 57.2ct Oval Portuguese-Cut Colorless Golden Rutile Quartz (ID: 329214)
57.15 ct Rutile Quartz
29.6 x 24.1 mm
$ 228.60
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ID: 4394041 pcs
thumb image of 38.6ct Oval Portuguese-Cut Bi-Color Ametrine (ID: 439404)
38.58 ct Ametrine
23.7 x 18.7 mm
$ 231.48
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ID: 3323521 pcs
thumb image of 38.3ct Oval Portuguese-Cut Yellow Golden Citrine (ID: 332352)
38.29 ct Citrine
23.6 x 18.2 mm
$ 306.32
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ID: 3417731 pcs
thumb image of 175.8ct Oval Portuguese-Cut Lemon Quartz (ID: 341773)
175.75 ct Quartz
38.1 x 33 mm
$ 367.32
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ID: 4394001 pcs
thumb image of 38.1ct Oval Portuguese-Cut Bi-Color Ametrine (ID: 439400)
38.06 ct Ametrine
21.3 x 19.4 mm
$ 228.36
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ID: 3662251 pcs
thumb image of 11.4ct Oval Portuguese-Cut Golden Apatite (ID: 366225)
11.38 ct Apatite
12.4 x 14.2 mm
$ 679.99
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ID: 3417721 pcs
thumb image of 171.7ct Oval Portuguese-Cut Lemon Quartz (ID: 341772)
171.65 ct Quartz
38.4 x 31.8 mm
$ 358.75
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Portuguese-Cut Gemstones
Gemstones that have been given a special facet cut, like the Portuguese cut, refers to a particular type of faceting where a gemstone is cut with two rows of rhomboidal and three rows of triangular facets above and below the girdle. However, this is only a 'technical' description, so modified mixed-cuts, which are very common today, may not feature exactly 2 rows and 3 rows as described above, but may feature just 1 or 2 rows of mixed rhomboidal and triangular facets. These extra rows of facets are cut into the crown just above the girdle, which is the line that divides the top of the stone from the bottom pavilion.

The purpose of the extra rows of facets is meant to enhance the brilliance and 'sparkle' of a cut gemstone. Of the many new cutting styles seen with colored stones today, the Portuguese cut is one of the most popular fancy cuts and you'll find many different varieties of gems cut in this manner. Portuguese-cut gemstones will typically have a smaller 'table' at the top-most part of the crown, due to the extra row of facets on the crown. In some cases, a gem that has been poorly cut and exhibits large colorless areas through the table may be 'fixed' by recutting the crown with an extra row of crown facets. Portuguese cut gems can be found in a variety of gemstone shapes, though oval and round-shape gemstones are most commonly given a Portuguese-style faceting.

Natural tourmaline is one of the most common gem types that are given this type of special cut. Usually gems with excellent transparency and lighter colors are best for cutting as Portuguese-cut stones, such as pink tourmaline or pink spinel. This is because lighter color gemstones will naturally show a higher amount of brilliance and sparkle than those gems with deep, saturated darker colors. Although light and dark color stones of the same type will typically have the same gemological properties, lighter color gems exhibit more visible brilliance than their darker counterparts. For those seeking something unusual, Portuguese-cut gemstones are an excellent option for fine jewelry and fashion jewelry.
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Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

Select gems by size, not by weight!
Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

Size Comparison Chart