Buy Portuguese Cut Gemstones: Natural Loose Gems from GemSelect

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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Gemstones A-Z

Buy Portuguese-Cut Gemstones

16.68 carat Ammolite, loose Certified Ammolite from Canada, Natural Gem, 24.3 x 16.2 mm

0.22 ct Blue Apatite, 3.6 mm Round Cut From Madagascar

2.14 carat Yellow Citrine, Trillion loose Citrine from Brazil, Natural Untreated Gem, 9.3 x 9 mm

1.99 carat Oval Ruby, loose Certified Ruby from Madagascar, Natural Gem, 8.2 x 6 mm

2.35 carat Blue Tanzanite, Pear Shape loose Tanzanite from Tanzania, Natural Gems, 5.1 x 3.2 mm

4.28 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 7 x 5.1 mm

2.62 carat Sky Blue Topaz, Trillion loose Topaz from Brazil, Natural Gems, 6.9 x 6.9 mm

0.67 carat Blue Sapphire, Oval loose Sapphire from Sri Lanka, Natural Gem, 6.1 x 4.2 mm

3.08 carat Trillion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 10.1 x 10.1 mm

8.85 ct Blue Green Grandidierite, 13.7 x 11.6 mm Oval Cut From Madagascar

0.44 ct Loose Yellow Sapphire, 4.6 x 4.5 mm Heart Cut From Tanzania

1.91 ct Yellow Apatite, 9.3 x 6.8 mm Oval Cut From Madagascar

4.12 ct Oval Prehnite, 8.8 x 6.3 mm From South Africa

3.96 ct Round Pietersite, 11.1 mm From Namibia

0.6 ct Loose Yellow Sapphire, 5.8 x 4 mm Oval Cut From Tanzania

0.85 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 10.7 x 3.4 mm

15.83 carat Trillion Ammolite, loose Certified Ammolite from Canada, Natural Gem, 29.6 x 14.9 mm

27.91 carat Pear Shape Opal, loose Certified Opal from Australia, Natural Untreated Gem, 28.9 x 21.6 mm

0.32 carat Round Ruby, loose Certified Ruby from Myanmar, Natural Gem, 4 mm

0.78 ct Loose Yellow Sapphire, 4.7 x 4.6 mm Cushion Cut From Tanzania

0.82 ct Loose Trillion Cut Sapphire, 5.5 x 5.3 mm From Madagascar

0.18 ct White Diamond, 2.9 mm Diamond Cut From India

1.25 carat Orange Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Untreated Gem, 5.9 mm

4.62 carat London Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 11 x 9 mm

0.73 carat Teal Sapphire, Trillion-Cut loose Sapphire from Madagascar, Natural Gem, 5.4 x 5.1 mm

37.08 carat Pear Hematite, loose Certified Hematite from Brazil, Natural Untreated Gem, 24.5 x 18.4 mm

2.68 carat White Topaz, Cushion loose Topaz from Brazil, Natural Untreated Gems, 4.5 x 4.5 mm

0.13 carat Baguette Cut Emerald, loose Certified Emerald from Colombia, Natural Gem, 3.8 x 2.8 mm

6.04 ct Blue Star Sapphire, 7.1 x 5.2 mm Oval Cut From Thailand

3.51 ct Loose Oval Malachite, 10 x 7.2 mm From Congo

0.36 ct Baguette Cut Kornerupine, 4.3 x 3.7 mm From Sri Lanka

2.24 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 7 x 5 mm

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