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

52.47 carat Pear Dendritic Agate, loose Certified Dendritic Agate from India, Natural Untreated Gem, 45.6 x 21.9 mm

1.06 carat Yellow Citrine, Square loose Citrine from Brazil, Natural Untreated Gem, 6 x 5.8 mm

4.02 carat Sky Blue Topaz, Princess-Cut loose Topaz from Brazil, Natural Gems, 7.1 x 7 mm

3.1 ct Square Cut Rainbow Moonstone, 3 x 2.9 mm From India

0.6 ct Loose Yellow Sapphire, 4.6 x 4.6 mm Square Cut From Tanzania

1.76 ct Round Cut Strawberry Quartz, 8 mm From Russia

26.28 ct Oval Jasper, 29.9 x 23 mm From Indonesia

1.78 carat Oval Opal, loose Certified Opal from Australia, Natural Untreated Gem, 10.8 x 8.1 mm

5.39 ct Loose Oval Star Ruby, 10.1 x 8.7 mm From Madagascar

6.19 ct Loose Pink Kunzite, 14 x 6.9 mm Octagon Cut From Afghanistan

0.41 carat Oval Color-Change Garnet, loose Certified Color-Change Garnet from Madagascar, Natural Untreated Gem, 5.2 x 3.9 mm

1.44 ct Loose Marquise Pietersite, 10.9 x 4.6 mm From Namibia

1.87 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gem, 6.9 x 6.9 mm

1.1 ct Oval Cut Peridot, 7.8 x 5.7 mm From China

33.4 ct Brown Moonstone, 25.1 x 18.2 mm Oval Cut From India

22.5 carat Bi-color Ametrine, Pear Shape loose Ametrine from Brazil, Natural Untreated Gem, 26.4 x 16 mm

3.47 carat Pear Shape Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 13.1 x 9 mm

0.88 carat Oval Demantoid Garnet, loose Certified Demantoid Garnet from Namibia, Natural Untreated Gems, 4.8 x 4.1 mm

19.54 ct Cushion Jasper, 25.7 x 16.8 mm From India

0.66 ct Yellow Beryl, 7 x 5.2 mm Oval Cut From Madagascar

4.96 ct Fancy Fire Agate, 14.8 x 8 mm From Mexico

3.53 carat Yellow Citrine, Cushion loose Citrine from Brazil, Natural Untreated Gem, 11.2 x 9.1 mm

13.85 ct Baguette Hematite, 15.2 x 10.5 mm From Brazil

1 ct Blue Kyanite, 6 mm Round Cut From Nepal

0.67 ct Loose Yellow Sapphire, 6.5 x 4.3 mm Oval Cut From Madagascar

1.85 carat Red Spessartite Garnet, Round loose Spessartite Garnet from Mozambique, Natural Untreated Gems, 4.2 mm

4.3 carat White Topaz, Oval loose Topaz from Brazil, Natural Untreated Gem, 11.1 x 9 mm

3.63 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 11.2 x 9.4 mm

0.69 ct Marquise Cut Peridot, 8.1 x 4.2 mm From China

0.69 carat Pink Morganite, Pear Shape loose Morganite from Afghanistan, Natural Untreated Gem, 8.3 x 4.3 mm

15.68 carat Bi-color Ametrine, Cushion loose Ametrine from Brazil, Natural Untreated Gem, 17.5 x 13.4 mm

2.36 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 8.6 x 7.2 mm

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