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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
For Example: 6-7
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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23.78ct Brown Moonstone, Oval, Opaque

22.2 x 16 mm

$ 52.11

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3.75ct Red Ruby, Fancy, Opaque

14.2 x 11.2 mm

$ 74.70

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1.62ct Green Emerald, Oval, SI-I1

8.8 x 6.3 mm

$ 1,613.51

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2.15ct Red Ruby, Oval, VS-SI

8 x 6 mm (calibrated)

$ 192.73

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2.10ctw Red Rubies, Oval, VS

7 x 5 mm (calibrated)

$ 209.16

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0.41ct Green Emerald, Pear Shape, SI

5.5 x 4.3 mm

$ 44.92

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0.21ct Red Ruby, Round, VS

3.5 mm (calibrated)

$ 69.26

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16.63ct Red Ruby, Oval, Translucent

16.2 x 13.9 mm

$ 437.28

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1.86ct Orange Moonstone, Trillion, Translucent

8 x 8 mm (calibrated)

$ 3.70

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1.89ct Orange Moonstone, Cushion, Translucent

9 x 7 mm (calibrated)

$ 3.77

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0.40ct Green Emerald, Oval, VS-SI

5.3 x 4.3 mm

$ 39.84

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1.62ctw Orange Moonstone, Trillion, Translucent

6 x 6 mm (calibrated)

$ 3.25

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1.32ct Red Ruby, Oval, VS

7 x 5 mm (calibrated)

$ 92.03

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2.69ctw Orange Moonstone, Cushion, Transparent

8 x 6 mm (calibrated)

$ 5.89

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2.76ctw Red Rubies, Oval, VS

7 x 5 mm (calibrated)

$ 151.19

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6.62ctw Orange Carnelian, Fancy, Translucent

6 x 6 mm (calibrated)

$ 11.60

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0.20ct Red Ruby, Round, VS

3.3 mm

$ 65.95

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2.11ct Red Ruby, Round, VS-SI

7.5 mm (calibrated)

$ 189.14

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5.49ctw Brown Moonstone, Flower Cut, Translucent

10 x 10 mm (calibrated)

$ 24.06

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2.05ct Red Ruby, Oval, VS

8 x 6 mm (calibrated)

$ 93.58

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0.85ct Green Emerald, Oval, Translucent

6.1 x 5.1 mm

$ 67.73

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0.21ct Red Ruby, Round, VS

3.5 mm (calibrated)

$ 69.26

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1.04ct Red Ruby, Oval, VS

6.7 x 5 mm

$ 103.58

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0.08ct Green Emerald, Square, VVS-VS

2.5 x 2.4 mm

$ 11.95

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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

All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.

Posted By Bob D in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Filters need to be improved but rest of website is great

Posted By Rock hound in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

My experience was done with ease

Posted By Barb in October, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I've made several purchases over the last 8 years and I've never been less than happy with any of them.

Posted By Jess in July, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Found a rock that met my need. Bought it!

Posted By Skot in May, 2026
Source: Bizrate
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