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Home Gemstones Cancer Birthstones

Cancer Birthstones – Gemstones for the Cancer Zodiac Sign

Explore natural loose gemstones chosen for the Cancer zodiac sign, including classic birthstone colors and symbolic gems suited for custom jewelry, collecting and personal gifts.

Cancer Birthstones Weight
Cancer Birthstones Size
Cancer Birthstones Clarity
Cancer Birthstones Price
Cancer Birthstones Treatment

Size Explained

Choose Size or Size Range
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For Example: 8-9
Bi-color
Black
Blue
Brown Cancer Birthstones
Golden
Gray Cancer Birthstones
Green Cancer Birthstones
Multicolor
Orange Cancer Birthstones
Pink Cancer Birthstones
Purple Cancer Birthstones
Red Cancer Birthstones
Turquoise Cancer Birthstones
Violet
White Cancer Birthstones
Yellow Cancer Birthstones
Single
Pairs
Lots
Faceted
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2.90ct Green Emerald, Emerald Cut, SI

8.6 x 7.2 mm

$ 5,030.63

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28.62ct Orange Moonstone, Round, Opaque

19 mm (calibrated)

$ 47.51

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1.28ct Red Ruby, Oval, VS-SI

7 x 5 mm (calibrated)

$ 818.05

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1.28ct Red Ruby, Pear Shape, VS-SI

6.7 x 5.6 mm

$ 783.01

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0.97ct Red Ruby, Round, VS-SI

5.5 mm (calibrated)

$ 247.97

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1.01ct Red Ruby, Pear Shape, VS-SI

7 x 5 mm (calibrated)

$ 720.47

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1.23ct Red Ruby, Oval, VS-SI

7 x 5 mm (calibrated)

$ 786.09

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41.53ct Brown Moonstone, Oval, Opaque

21.4 x 17.8 mm

$ 68.26

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18.42ct Brown Moonstone, Fancy, Translucent

24.7 x 16.5 mm

$ 110.19

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1.29ct Red Ruby, Oval, VS-SI

7 x 5 mm (calibrated)

$ 789.13

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1.80ct Red Ruby, Marquise, VS-SI

11.6 x 5.4 mm

$ 1,215.01

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1.22ct Red Ruby, Oval, VS-SI

7 x 5 mm (calibrated)

$ 870.28

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1.09ct Red Ruby, Oval, SI

7 x 5 mm (calibrated)

$ 666.78

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41.80ct Purple Ruby, Flower Cut, Opaque

32.8 x 32.5 mm

$ 809.45

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1.49ct Red Ruby, Marquise, VS-SI

10.1 x 5.1 mm

$ 952.26

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7.67ct Red Ruby, Cushion, VS

10 x 10 mm (calibrated)

$ 318.31

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28.17ct Orange Moonstone, Oval, Opaque

22.2 x 16.2 mm

$ 56.12

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1.33ct Red Ruby, Oval, VS-SI

7.2 x 5.2 mm

$ 850.00

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1.77ct Green Emerald, Emerald Cut, VS-SI

7.7 x 7 mm

$ 1,469.10

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1.84ct Red Ruby, Marquise, VS-SI

10.8 x 5.6 mm

$ 1,069.04

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1.70ct Green Emerald, Pear Shape, VS

9.6 x 7.3 mm

$ 3,301.58

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1.61ct Green Emerald, Emerald Cut, VS-SI

7 x 7 mm (calibrated)

$ 1,469.93

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2.43ctw Red Rubies, Marquise, SI

9.7 x 4.5 mm

$ 1,486.51

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2.47ct Green Emerald, Oval, SI

10 x 8 mm (calibrated)

$ 7,324.28

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Why Buy Cancer Birthstones from GemSelect?

Shop Gemstones Associated with Cancer

Cancer is commonly linked with gentle, luminous and emotionally expressive gemstones. On this page, you can browse loose stones often chosen for Cancer zodiac jewelry, including moonstone, ruby, emerald, carnelian and other gems that fit the sign’s traditional color and symbolism.

Each loose gemstone is sold individually, making it easier to choose the shape, size, color and cutting style that suits your design. Whether you are planning a ring, pendant, earrings or a meaningful gift, compare the product details on each listing before you buy.

Popular Cancer Birthstone Choices

Moonstone is one of the most recognized gemstones associated with Cancer, valued for its soft glow and connection with lunar symbolism. Ruby is also a well-known July birthstone and is often selected for Cancer gifts that need a bold red accent. Emerald, carnelian and other colorful gems may also appeal to customers looking for a personal zodiac-themed stone.

Because zodiac gemstone traditions vary, there is no single required stone for Cancer. Many shoppers choose by birth month, favorite color, jewelry setting or the symbolic meaning they personally connect with most.

Loose Cancer birthstones including moonstone, ruby, emerald and carnelian

Choosing a Loose Cancer Zodiac Gemstone

When selecting a Cancer birthstone, start with the intended jewelry design. Round, oval and cushion cuts are versatile for rings and pendants, while pear, marquise and fancy shapes can create a more distinctive custom piece. Cabochons may be attractive for gems known for glow, color play or smooth surface appeal.

Review each product page for measurements, carat weight, clarity, treatment information and origin details where available. Natural gemstones can vary widely in color and appearance, so comparing photos and specifications helps you choose the stone that best matches your project.

Meaningful Gifts for the Cancer Sign

A loose zodiac gemstone can be a thoughtful starting point for a personalized jewelry gift. Cancer birthstones are often chosen for birthdays, anniversary pieces, family jewelry and custom designs that reflect the wearer’s star sign.

For a subtle look, consider softer tones such as white, cream, peach or pale green. For a stronger statement, red, deep green or warm orange gems can bring more contrast and presence to the finished piece.

FAQs About Cancer Birthstones

What is the main birthstone for Cancer?

Cancer spans late June and much of July, so birthstone traditions may include gems connected with both months. Moonstone is a popular zodiac stone for Cancer, while ruby is widely recognized as the July birthstone.

Which gemstones are commonly associated with the Cancer zodiac sign?

Common Cancer zodiac gemstone choices include moonstone, ruby, emerald, carnelian and other gems selected for their color, tradition or personal symbolism. Availability can vary by current inventory.

Can I use a Cancer birthstone in custom jewelry?

Yes. Loose gemstones are ideal for custom rings, pendants, earrings and bracelets. Check the stone’s size, shape and durability considerations with your jeweler before setting it.

Are all Cancer birthstones the same color?

No. Cancer gemstone choices range from soft white and silvery tones to red, green, orange and other colors. Many customers choose the stone that best matches the wearer’s taste rather than following one strict color rule.

Should I check treatment details before buying?

Yes. Gemstone treatments can differ by gem type and individual stone. Always review the treatment information and full specifications on the product page before purchase.

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

I was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.

Posted By Atsuhisa in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.

Posted By Tommyp in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always get a nice gemstone. Just like the picture. Never disappointed

Posted By Ron T in June, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection. Maybe too great i kept adding and deleting stuff because i found better looking ones

Posted By Edsor works in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

good navigation and simple interface.

Posted By Dave in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Very good

Posted By Ceil in May, 2026
Source: Bizrate
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