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Gemtype Color Shape Weight Size Clarity Price Origin
You Selected (187): Portuguese-Cut Gemstones Clear All
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Light Blue Aquamarine Gem - 5.1ct Oval Portuguese-Cut (ID: 453031)

Oval Blue Aquamarine

5.1ct
11.3 x 9.4 mm
$ 890.88
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Light Blue Aquamarine Gem - 5.2ct Oval Portuguese-Cut (ID: 453037)

Oval Blue Aquamarine

5.2ct
10.4 x 9.8 mm
$ 901.32
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Bi-Color Ametrine Gem - 44ct Oval Portuguese-Cut (ID: 509003)

Oval Bi-color Ametrine

44ct
25.4 x 17.8 mm
$ 264.06
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Violet Amethyst Gem - 93.9ct Oval Portuguese-Cut (ID: 506008)

Oval Violet Amethyst

93.9ct
29.5 x 27.3 mm
$ 563.28
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Yellow Golden Citrine Gem - 29.9ct Oval Portuguese-Cut (ID: 397559)

Oval Yellow Citrine

29.9ct
22 x 18.3 mm
$ 179.46
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Light Blue Aquamarine Gem - 6.2ct Oval Portuguese-Cut (ID: 486950)

Oval Blue Aquamarine

6.2ct
10.9 x 9.9 mm
$ 618.00
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Violet Amethyst Gem - 71.6ct Oval Portuguese-Cut (ID: 505959)

Oval Violet Amethyst

71.6ct
27.3 x 23.5 mm
$ 460.02
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Greenish Blue Aquamarine Gem - 3.3ct Oval Portuguese-Cut (ID: 450901)

Oval Blue Aquamarine

3.3ct
10.3 x 8.4 mm
$ 273.84
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Greenish Blue Aquamarine Gem - 4.4ct Oval Portuguese-Cut (ID: 450914)

Oval Blue Aquamarine

4.4ct
10 x 8.8 mm
$ 370.44
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Light Blue Aquamarine Gem - 9ct Oval Portuguese-Cut (ID: 486949)

Oval Blue Aquamarine

9ct
11.7 x 13.7 mm
$ 1,356.00
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Brown Smoky Quartz Gem - 81ct Oval Portuguese-Cut (ID: 509153)

Oval Brown Smoky Quartz

81ct
30.5 x 24 mm
$ 68.83
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Lively Green Peridot Gem - 6ct Oval Portuguese-Cut (ID: 479804)

Oval Green Peridot

6ct
12.2 x 9.7 mm
$ 385.92
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Light Blue Aquamarine Gem - 6.2ct Oval Portuguese-Cut (ID: 486953)

Oval Blue Aquamarine

6.2ct
10.9 x 10.1 mm
$ 615.00
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Colorless Golden Rutile Quartz Gem - 57.2ct Oval Portuguese-Cut (ID: 329214)

Oval Yellow Rutile Quartz

57.2ct
29.6 x 24.1 mm
$ 57.15
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Violet Amethyst Gem - 42.3ct Oval Portuguese-Cut (ID: 505948)

Oval Violet Amethyst

42.3ct
22.9 x 19.4 mm
$ 254.04
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Light Blue Aquamarine Gem - 5.9ct Oval Portuguese-Cut (ID: 453035)

Oval Blue Aquamarine

5.9ct
11.7 x 9.3 mm
$ 1,024.86
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Brown Smoky Quartz Gem - 127.5ct Round Portuguese-Cut (ID: 508823)

Round Brown Smoky Quartz

127.5ct
30.8 mm
$ 108.39
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Click for Product Video (506004)
Violet Amethyst Gem - 40.5ct Oval Portuguese-Cut (ID: 506004)

Oval Violet Amethyst

40.5ct
23.7 x 17.5 mm
$ 242.88
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Lively Green Peridot Gem - 5.4ct Oval Portuguese-Cut (ID: 398334)

Oval Green Peridot

5.4ct
11.3 x 9.8 mm
$ 346.24
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Violet Amethyst Gem - 44.5ct Oval Portuguese-Cut (ID: 506054)

Oval Violet Amethyst

44.5ct
21.5 x 18.3 mm
$ 267.00
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Bi-Color Ametrine Gem - 29.6ct Oval Portuguese-Cut (ID: 434301)

Oval Bi-Color Ametrine

29.6ct
20.8 x 17.1 mm
$ 177.42
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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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My experience with gemselect was awesome so far. I had a few questions about their website and making orders and they replied quickly and were happy to help. I have not received the items I ordered yet as I just ordered them this morning. Although, I truly feel I am going to be a very happy customer once I do receive my items. Gemselect guarantees all their items and have a great return policy just incase. The have a vast selection of all kinds of stones and not to mention their prices are much better than some other websites. Thanks Gemselect I’ll be doing business here from now on!
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I was very happy on the quality of the gemstones I recieved from GemSelect, I will deffinetly buy again.
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Overall Rating -> 9 star ratings
Great selection. Love the many learning features like articles and gem information. Prices competitive for natural stones. I do miss not having a selection of lab-made stones, CZ’s, etc, which are useful when price and cost are factors.
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Overall Rating -> 10 star ratings
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Overall Rating -> 9 star ratings
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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

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