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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
Pairs
Lots
Faceted
Cabochons
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85.75ct Green Moss Agate, Square, Opaque

27.5 x 27.4 mm

$ 85.75

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1.44ct Orange Hessonite Garnet, Square, VS-SI

6 x 6 mm (calibrated)

$ 29.11

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1.50ctw Red Pyrope Garnet, Square, VVS

5 x 5 mm (calibrated)

$ 13.86

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98.04ct Brown Tiger'S Eye, Square, Opaque

27.1 x 26.6 mm

$ 68.63

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2.40ctw Red Rhodolite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 25.32

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2.42ctw White Rainbow Moonstone, Square, Transparent

3 x 3 mm (calibrated)

$ 46.16

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0.47ct Green Sapphire, Square, VS

4 x 4 mm (calibrated)

$ 78.96

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0.31ctw Black Diamond, Square, Opaque

2.7 x 2.5 mm

$ 186.00

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1.59ctw Green Sapphire, Square, VS

3 x 3 mm (calibrated)

$ 293.83

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6.59ctw Blue Topaz, Square, VVS

8 x 8 mm (calibrated)

$ 61.67

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2.10ctw Yellow Sapphire, Square, VS

3.5 x 3.5 mm

$ 386.23

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1.64ctw Red Pyrope Garnet, Square, VVS

5 x 5 mm (calibrated)

$ 15.16

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1.43ctw Red Rhodolite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 15.08

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4.04ctw White Topaz, Square, VS

4 x 4 mm (calibrated)

$ 37.33

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1.78ctw Red Pyrope Garnet, Square, VS

5 x 5 mm (calibrated)

$ 16.45

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0.17ct Green Sapphire, Square, VVS

3 x 3 mm (calibrated)

$ 28.56

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3.66ct Yellow Citrine, Square, VVS-VS

9 x 9 mm (calibrated)

$ 30.74

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1.57ct Orange Hessonite Garnet, Square, VS

6 x 6 mm (calibrated)

$ 33.01

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0.21ct Green Sapphire, Square, VVS-VS

3 x 3 mm (calibrated)

$ 35.28

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0.32ct Green Sapphire, Square, VS

4 x 4 mm (calibrated)

$ 53.76

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3.42ctw Red Pyrope Garnet, Square, VVS-VS

4 x 4 mm (calibrated)

$ 31.60

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2.71ctw Red Pyrope Garnet, Square, VS

4 x 4 mm (calibrated)

$ 25.04

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0.65ct Yellow Sapphire, Square, VS

4.4 x 4.3 mm

$ 42.55

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2.89ctw Red Rhodolite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 30.48

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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 -> 9 star ratings

I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.

Posted By Jewelry Quality Stones in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good.

Posted By Tommy in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good place to buy gemstones

Posted By Elansary in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and good price

Posted By Bry_guy in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect offers excellent choices, prices & service- highly recommended! Unfortunately, prior to ordering a replacement gemstone, my jeweler neglected to mention it needed to be one that was a'cushion cuta' to fit the existing mount. Have yet to return/exchangea'

Posted By CJ in March, 2026
Source: Bizrate
Enlarged Gemstone Image