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

37.69 ct Loose Blue Green Turquoise, 21.7 x 20.2 mm Oval Cut From the United States

2.29 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 6 x 4.1 mm

5.94 ct Asscher Cut Rose Quartz, 11.4 x 11 mm From South Africa

5.55 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 14 x 10.1 mm

5.64 carat Marquise Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 12.1 x 6 mm

52.57 ct Oval Tiger's Eye, 34.7 x 23.3 mm From Thailand

4.67 ct Yellow Moonstone, 14.1 x 10.1 mm Oval Cut From India

0.47 carat Blue Sapphire, Marquise-Cut loose Sapphire from Madagascar, Natural Gem, 7.8 x 3.8 mm

2.54 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 9 x 7.4 mm

3.51 carat Yellow Citrine, Pear Shape loose Citrine from Brazil, Natural Untreated Gem, 13.9 x 8.2 mm

16.43 ct Oval Jasper, 19.9 x 15.1 mm From Indonesia

0.56 ct Loose Yellow Sapphire, 6 x 4.1 mm Oval Cut From Tanzania

0.42 ct Blue Kyanite, 3.6 mm Round Cut From Nepal

2.28 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 21.7 x 3.6 mm

1.57 carat Orange Hessonite Garnet, Square loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6 x 6 mm

1.72 ct Blue Kyanite, 8.1 x 6.1 mm Oval Cut From Nepal

12.26 ct Trillion Jasper, 20.8 x 17.1 mm From Indonesia

1.22 carat Green Sapphire, Cushion loose Sapphire from Madagascar, Natural Gem, 6.6 x 4.9 mm

1.97 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 8.2 x 6.1 mm

5.02 carat Yellow Citrine, Pear Shape loose Citrine from Brazil, Natural Untreated Gems, 8 x 5.2 mm

2.26 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 8.7 x 7.3 mm

2.42 ct Blue Apatite, 5.2 x 4 mm Oval Cut From Madagascar

0.59 ct Loose Yellow Sapphire, 5 x 4 mm Octagon Cut From Tanzania

1.61 carat Orange Hessonite Garnet, Emerald Cut loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7 x 5 mm

5.33 ct Octagon Cut Smoky Quartz, 13 x 9.9 mm From Brazil

3.53 carat Swiss Blue Topaz, Marquise-Cut loose Topaz from Brazil, Natural Gem, 14.9 x 7.2 mm

0.8 ct Octagon Cut Color-Change Diaspore, 5.9 x 4.5 mm From Turkey

7.68 carat Pear Shape Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 16.1 x 11.9 mm

4.61 ct Orange Sunstone, 11.1 mm Round Cut From India

42.1 ct Fancy Rhodochrosite, 40.4 x 16.6 mm From South Africa

9.59 ct Oval Quartz With Marcasite, 23.4 x 9.5 mm From Brazil

7.71 ct Round Star Moonstone, 12.5 mm From India

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