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Square Cut Gemstones

Explore a wide selection of square cut gemstones, perfect for modern and classic jewelry designs.

Square Shaped Gemstones Weight
Square Shaped Gemstones Size
Square Shaped Gemstones Clarity
Square Shaped Gemstones Price
Square Shaped Gemstones Treatment

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color
Black Square Shaped Gemstones
Blue Square Shaped Gemstones
Brown Square Shaped Gemstones
Golden
Gray Square Shaped Gemstones
Green Square Shaped Gemstones
Multicolor Square Shaped Gemstones
Orange Square Shaped Gemstones
Pink Square Shaped Gemstones
Purple Square Shaped Gemstones
Red Square Shaped Gemstones
Turquoise Square Shaped Gemstones
Violet Square Shaped Gemstones
White Square Shaped Gemstones
Yellow Square Shaped Gemstones
Single
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Lots
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3.16ctw Yellow Citrine, Square, VS

7 x 7 mm (calibrated)

$ 26.44

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2.76ctw Red Pyrope Garnet, Square, VVS-VS

4 x 4 mm (calibrated)

$ 25.50

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22.30ct Gray Hematite, Square, Opaque

17 x 17 mm (calibrated)

$ 27.08

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1.50ctw Red Pyrope Garnet, Square, VVS-VS

5 x 5 mm (calibrated)

$ 13.86

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1.42ctw Red Rhodolite Garnet, Square, VVS-VS

5 x 5 mm (calibrated)

$ 14.99

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2.41ct Violet Amethyst, Square, VVS

8 x 8 mm (calibrated)

$ 23.14

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0.94ctw Red Pyrope Garnet, Square, VVS-VS

4 x 4 mm (calibrated)

$ 8.69

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1.48ct Yellow Citrine, Square, VS

7 x 7 mm (calibrated)

$ 10.32

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2.73ctw Red Rhodolite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 28.79

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0.18ct Green Sapphire, Square, VVS-VS

3 x 3 mm (calibrated)

$ 30.24

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3.43ct Yellow Citrine, Square, VS

9 x 9 mm (calibrated)

$ 22.64

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10.41ct White Rainbow Moonstone, Square, Transparent

12.7 x 12.4 mm

$ 187.38

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11.15ct Multicolor Quartz With Marcasite, Square, Transparent

14 x 12 mm (calibrated)

$ 85.96

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0.20ctw Blue Iolite, Square, VS

2.6 x 2.6 mm

$ 9.60

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2.11ct Violet Amethyst, Square, VS

8 x 8 mm (calibrated)

$ 17.72

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0.54ctw Yellow Sapphire, Square, VS

3.3 x 3.2 mm

$ 42.50

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0.74ctw Yellow Sapphire, Square, VVS-VS

3.7 x 3.7 mm

$ 45.96

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2.78ctw Red Pyrope Garnet, Square, VS

4.6 x 4.5 mm

$ 25.69

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0.03ct Blue Diamond, Square, VS

1.8 x 1.8 mm

$ 40.40

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0.59ct Yellow Color-Change Diaspore, Square, VS

5 x 5 mm (calibrated)

$ 26.40

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4.05ctw Red Pyrope Garnet, Square, VS

4 x 4 mm (calibrated)

$ 37.43

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4.33ct Violet Amethyst, Square, VVS

9.7 x 9.5 mm

$ 41.57

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0.31ct Green Sapphire, Square, VS

3.5 x 3.5 mm

$ 52.08

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1.88ctw Multicolor Sapphire, Square, VS

2.6 x 2.6 mm

$ 157.92

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Why Buy Square Shaped Gemstones from GemSelect?

Natural Square Cut Gemstones

Our square cut gemstones are carefully selected for quality, offering clean lines and excellent brilliance. Each stone is 100% natural and ideal for precise jewelry settings.

Shop Square Gemstones Online

Browse square gemstones online at GemSelect with ease. Choose from a wide range of colors, sizes, and gem types, all available with secure checkout and worldwide delivery.

Square Cut Loose Gemstones for Jewelry Making

Square Cut Gems for Jewelry

Square cut gems are a popular choice for rings, earrings, and pendants. Their symmetrical shape offers a modern look while maximizing sparkle and color.

Popular Square Gemstone Types

Square shapes are available in many gemstones, including sapphire, garnet, amethyst, citrine, and topaz. Each offers unique color and characteristics for custom designs.

Faceted Square Cut Stones

Faceted square cut stones enhance brilliance through precise cutting styles such as princess cut and step cuts. These are perfect for high-clarity, sparkling gemstones.

Square Cabochon Gemstones

Square cabochons feature smooth, polished surfaces without facets. They are ideal for opaque or translucent stones and create a bold, contemporary appearance.

Calibrated Square Gemstones

Calibrated square gemstones are cut to standard sizes such as 5 mm, 6 mm, or 8 x 8 mm, making them easy to set into ready-made jewelry mounts.

Wholesale Square Cut Gems

Buy square cut gemstones in bulk for jewelry production or resale. We offer competitive pricing and a wide inventory of loose stones in various qualities.

Choosing the Right Square Gemstone

When selecting a square gemstone, consider color, clarity, cut quality, and size. Square cuts highlight symmetry, so well-proportioned stones deliver the best visual appeal.

Learn more about gemstone cuts and shapes on our Gemstone Cutting Guide.

FAQs

What is a square cut gemstone?

A square cut gemstone is shaped with equal sides, offering a symmetrical and modern appearance. Popular styles include princess cut and step cut designs.

Are square cut gemstones good for rings?

Yes, square cut gemstones are excellent for rings due to their clean lines and brilliance. They are commonly used in engagement rings and statement pieces.

What is the difference between square and princess cut?

The princess cut is a specific type of square cut with brilliant faceting, while square cut is a broader term that includes multiple cutting styles.

Do square gemstones come in calibrated sizes?

Yes, many square gemstones are available in calibrated sizes such as 4 mm, 5 mm, and 6 mm, making them easy to fit into standard settings.

Which gemstones are available in square shapes?

Many gemstones are cut in square shapes, including sapphire, ruby, garnet, amethyst, citrine, and topaz, offering a wide range of colors and price points.

Are all square cut gemstones faceted?

No, square gemstones can be either faceted for brilliance or cut as cabochons for a smooth, polished appearance depending on the gem type.

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 8 star ratings

I've purchased things from GemSelect before. What you see is what you get, which is not always the case with gem sites online. You can find some good value with gem select, and I will buy from them again.

Posted By Meyeusername in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Navigating the site was very easy and the photos of the exact gem you would be purchasing was well done.

Posted By HVeeder in February, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.

Posted By Salvo in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

hassle free experience.

Posted By Jhidron in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have been very happy with my prior purchases and enjoy the website experience.

Posted By Trouble in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
Source: Bizrate
Enlarged Gemstone Image