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 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
Cabochons
X
Clear All

3.19ct Purple Ruby, Fancy, Opaque

13.7 x 9.5 mm

$ 63.54

View Gem

2.67ct Red Ruby, Round, VS-SI

7.5 mm (calibrated)

$ 239.34

View Gem

0.18ct Green Emerald, Round, VS-SI

3.5 mm (calibrated)

$ 32.87

View Gem

0.41ct Green Emerald, Oval, Translucent

5.2 x 4.3 mm

$ 32.67

View Gem

1.45ct Red Ruby, Oval, VS

7.2 x 5.3 mm

$ 43.33

View Gem

0.19ct Red Ruby, Round, VS

3.5 mm (calibrated)

$ 62.66

View Gem

0.26ct Green Emerald, Emerald Cut, SI

3.6 x 3.5 mm

$ 51.79

View Gem

0.17ct Green Emerald, Round, SI

3.5 mm (calibrated)

$ 35.28

View Gem

0.37ct Green Emerald, Oval, Transparent

5.6 x 4 mm

$ 92.13

View Gem

1.61ct Orange Moonstone, Trillion, Translucent

8 x 7.6 mm

$ 3.20

View Gem

0.80ct Purple Ruby, Round, VS-SI

5.7 mm

$ 274.95

View Gem

0.15ct Green Emerald, Baguette, SI

3.2 x 2.8 mm

$ 14.82

View Gem

2.60ctw Orange Moonstone, Cushion, Translucent

8 x 6 mm (calibrated)

$ 5.48

View Gem

0.71ct Green Emerald, Oval, Translucent

6.4 x 4.8 mm

$ 56.57

View Gem

0.16ct Red Ruby, Round, VS

3.5 mm (calibrated)

$ 52.77

View Gem

1.28ct Red Ruby, Oval, VS

6.9 x 5.2 mm

$ 38.25

View Gem

1.63ct Orange Moonstone, Square, Transparent/Translucent

7 x 7 mm (calibrated)

$ 3.27

View Gem

2.52ct Orange Moonstone, Marquise, Translucent

14 x 7 mm (calibrated)

$ 5.02

View Gem

0.71ct Red Ruby, Round, VS-SI

5.5 mm (calibrated)

$ 448.45

View Gem

1.14ct Green Emerald, Oval, SI-I1

8 x 6 mm (calibrated)

$ 794.81

View Gem

3.52ctw Orange Moonstone, Trillion, Opaque

8 x 8 mm (calibrated)

$ 7.71

View Gem

0.67ct Green Emerald, Oval, SI

6.2 x 5 mm

$ 66.73

View Gem

1.06ct Red Ruby, Marquise, SI

9.3 x 4.6 mm

$ 589.48

View Gem

0.15ct Green Emerald, Baguette, SI

3.8 x 2.6 mm

$ 27.00

View Gem

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

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 -> 10 star ratings

I loved it! Extensive inventory, great prices, I definitely will be buying from here again!

Posted By Lex in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

My experience has always been fantastic. Today I saved 6 gems to email a customer looking for a particular color blend to fit into an east west setting, so her options were limited, but we found one she wanted, deleted all the others in the cart and order the gem she selected. It was helpful to be able to put them in the cart so I could save them until she selected the one she wanted without having to research all of them again.

Posted By RJ in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good.

Posted By Tommy in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

This is the first time I have used this site. I was dissatisfied with the quality of gems and supplies elsewhere and decided to try GemSelect. They are awesome! I was thrilled to see the variety and the great web performance. There was the ability to search for information as well as gems. Things like the clarity rating system and caret weight of the gems. I have always loved making things and I have just started to make jewelry as a business. However I have never made a ring before and have always wanted to. On GemSelect I was able to find good quality gems to use in my creations. I am so glad the website is so easy to use. Thank you GemSelect.

Posted By PickyShopper in April, 2026
Source: Bizrate
Enlarged Gemstone Image