90,000+Happy Customers
20+Years
WorldwideShipping
Cart
Free Report Included
Worldwide Shipping
30 Day Returns
Help Center Shipping Payment and Checkout Returns Certificates Contact Us
Home Gemstones Gemstones By Shape Square Shaped Gemstones

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
Clear All

3.24ctw White Rainbow Moonstone, Square, Transparent

3.2 x 3.2 mm

$ 60.35

View Gem

0.66ctw Yellow Sapphire, Square, VVS-VS

3.6 x 3.6 mm

$ 34.03

View Gem

0.12ct Black Diamond, Square, Opaque

2.8 x 2.7 mm

$ 49.80

View Gem

86.77ct Green Amazonite, Square, Opaque

27.5 x 26.9 mm

$ 50.41

View Gem

0.27ct Green Kornerupine, Square, VVS-VS

4 x 4 mm (calibrated)

$ 14.79

View Gem

2.85ctw Green Peridot, Square, VS

5 x 5 mm (calibrated)

$ 31.22

View Gem

1.58ctw Red Rhodolite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 13.83

View Gem

0.74ctw Yellow Sapphire, Square, VVS-VS

3.7 x 3.7 mm

$ 38.15

View Gem

1.08ctw Green Kornerupine, Square, VVS-VS

4.4 x 4.3 mm

$ 47.33

View Gem

3.31ct Yellow Citrine, Square, VS

9 x 9 mm (calibrated)

$ 18.14

View Gem

0.94ctw Red Pyrope Garnet, Square, VVS-VS

4 x 4 mm (calibrated)

$ 7.21

View Gem

0.72ct Green Peridot, Square, VS

5 x 5 mm (calibrated)

$ 5.74

View Gem

1.31ct Orange Hessonite Garnet, Square, VS-SI

6 x 6 mm (calibrated)

$ 21.98

View Gem

1.47ctw Red Pyrope Garnet, Square, VVS-VS

5 x 5 mm (calibrated)

$ 11.27

View Gem

3.92ctw Red Pyrope Garnet, Square, VS

4 x 4 mm (calibrated)

$ 30.06

View Gem

1.03ct Orange Hessonite Garnet, Square, SI

6 x 6 mm (calibrated)

$ 17.28

View Gem

22.05ct Gray Hematite, Square, Opaque

15 x 15 mm (calibrated)

$ 22.23

View Gem

2.56ctw White Rainbow Moonstone, Square, Transparent

3 x 3 mm (calibrated)

$ 40.53

View Gem

4.31ctw Blue Topaz, Square, VVS

7 x 7 mm (calibrated)

$ 33.06

View Gem

2.94ct Yellow Citrine, Square, VVS-VS

9 x 9 mm (calibrated)

$ 22.55

View Gem

0.21ct Green Sapphire, Square, VS

3 x 3 mm (calibrated)

$ 29.28

View Gem

1.40ct Orange Hessonite Garnet, Square, VS

6 x 6 mm (calibrated)

$ 23.55

View Gem

2.09ct Violet Amethyst, Square, VVS-VS

8 x 8 mm (calibrated)

$ 16.65

View Gem

2.18ct Yellow Citrine, Square, VVS-VS

8 x 8 mm (calibrated)

$ 12.75

View Gem

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 -> 10 star ratings

Ia've been searching for a source to get my gemstones for awhile now and was very happy to come across this website. Amazing variety for any income.

Posted By Tarah in August, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

It was fine

Posted By Na in April, 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

Overall Rating -> 10 star ratings

I was able to find what i needed once I worked out what I was looking for.

Posted By Dr Kenneth in August, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I have made many purchases from GemSelect over the years, and I have a beautiful collection of jewelry as a result. My purchases have always been exactly as described, and I have enjoyed doing business with you.

Posted By MMM in July, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Web site is very simple to navigate Selection is terrific

Posted By ToRa.62 in April, 2026
Source: Bizrate
Enlarged Gemstone Image