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Natural Bi-Color Gemstones

Explore our selection of natural bi-color gemstones, featuring unique loose gems with two beautiful colors in a single stone.

Bi Color Gemstones Weight
Bi Color Gemstones Size
Bi Color Gemstones Clarity
Bi Color Gemstones Price

Size Explained

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For Example: 6-7
For Example: 8-9
Bi-color Bi Color Gemstones
Black
Blue
Brown
Golden
Gray
Green
Multicolor
Orange
Pink
Purple
Red
Turquoise
Violet
White
Yellow
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Pairs
Lots
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1.85ct Bi-color Ametrine, Emerald Cut, VVS

9 x 7 mm (calibrated)

$ 23.38

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26.51ct Bi-color Ametrine, Oval, VS

22.3 x 17.6 mm

$ 174.97

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23.95ct Bi-color Ametrine, Oval, VS

20 x 15 mm (calibrated)

$ 211.19

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2.08ct Bi-color Ametrine, Emerald Cut, VVS

9 x 7 mm (calibrated)

$ 26.29

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13.86ct Bi-color Ametrine, Pear Shape, VS

17 x 17 mm (calibrated)

$ 128.06

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11.71ct Bi-color Ametrine, Emerald Cut, VVS-VS

21.7 x 10.5 mm

$ 170.03

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23.80ct Bi-color Ametrine, Oval, VS

22.1 x 14.1 mm

$ 188.50

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18.23ct Bi-color Ametrine, Marquise, VS

27.7 x 13.6 mm

$ 168.44

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17.66ct Bi-color Ametrine, Pear Shape, VS

21.9 x 16.6 mm

$ 163.18

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8.17ct Bi-color Ametrine, Oval, VVS-VS

15.6 x 11.5 mm

$ 58.82

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1.94ct Bi-color Ametrine, Emerald Cut, VS

9 x 7 mm (calibrated)

$ 24.52

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2.13ct Bi-color Ametrine, Emerald Cut, VVS

9 x 7 mm (calibrated)

$ 26.92

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1.51ct Bi-color Ametrine, Emerald Cut, VVS-VS

8 x 6 mm (calibrated)

$ 19.09

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3.60ct Bi-color Tourmaline, Emerald Cut, SI

13.9 x 6.4 mm

$ 345.60

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7.02ct Bi-color Tourmaline, Fancy, Translucent

21.7 x 10.4 mm

$ 92.66

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7.52ct Bi-color Ametrine, Marquise, VS

21.1 x 9.4 mm

$ 69.48

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18.83ct Bi-color Ametrine, Oval, VVS-VS

22 x 13.9 mm

$ 112.98

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29.00ct Bi-color Ametrine, Oval, VVS

21.9 x 19.8 mm

$ 229.68

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2.80ct Bi-color Ametrine, Emerald Cut, VVS

10 x 8 mm (calibrated)

$ 35.39

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19.11ct Bi-color Ametrine, Oval, VS

19 x 15.5 mm

$ 176.58

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12.04ct Bi-color Ametrine, Oval, VVS

16.2 x 13.7 mm

$ 95.35

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25.90ct Bi-color Ametrine, Pear Shape, VVS-VS

22.8 x 18.3 mm

$ 217.56

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10.78ct Bi-color Ametrine, Oval, VS

17.8 x 12.3 mm

$ 99.79

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17.98ct Bi-color Ametrine, Oval, VS

21.3 x 13 mm

$ 166.14

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Why Buy Bi Color Gemstones from GemSelect?

Natural Bi-Color Gemstones

Our natural bi-color gemstones display two distinct colors within a single stone, creating striking visual effects that make each gem truly unique. These rare stones are highly valued by collectors and jewelry designers alike.

Loose Bi-Color Gemstones Online

Shop loose bi-color gemstones online at GemSelect with confidence. Our collection includes rare two-color gems such as ametrine, tourmaline, sapphire and more, all available with secure checkout and worldwide shipping.

Loose Bi-Color Gemstones with two natural colors

What Makes Bi-Color Gemstones Special

Bi-color gemstones form when changes in mineral composition or crystal growth conditions occur during formation. The result is a fascinating gemstone displaying two different colors naturally within the same crystal.

Popular Bi-Color Gemstone Types

Some of the most popular bi-color gemstones include ametrine, bi-color tourmaline, sapphire, fluorite and quartz varieties. These gems are prized for their natural color zoning and dramatic appearance.

Bi-Color Tourmaline

Bi-color tourmaline is among the most famous two-color gemstones, often displaying striking combinations such as pink and green. These gems are especially popular in custom jewelry designs.

Ametrine - Natural Purple and Gold Gem

Ametrine is a remarkable bi-color gemstone that combines purple amethyst and golden citrine in a single crystal. The natural color separation makes it a favorite for faceted stones and statement jewelry.

Bi-Color Gems for Jewelry

Two-color gemstones are perfect for distinctive jewelry pieces. Their natural color transitions create eye-catching rings, pendants and earrings that stand out from traditional single-color gems.

Wholesale Bi-Color Gemstones

GemSelect offers bi-color gemstones for both collectors and jewelry designers. Our loose gems are available individually or in matching pairs, making them ideal for custom jewelry creations.

Learn more about gemstone varieties and properties on our Gemstone Information Pages.

FAQs

What are bi-color gemstones?

Bi-color gemstones are natural gems that display two distinct colors within a single crystal. The colors usually form during crystal growth due to changing mineral conditions.

Are bi-color gemstones natural?

Yes, bi-color gemstones occur naturally when different elements or growth phases affect the crystal during formation. At GemSelect, all treatments are fully disclosed.

Which gemstones commonly occur in bi-color varieties?

Tourmaline, ametrine, sapphire, fluorite and quartz are among the most well-known gemstones that naturally form with two distinct colors.

Are bi-color gemstones valuable?

Yes, many bi-color gemstones are highly valued because of their rarity and striking appearance. Stones with strong color contrast and good clarity are especially desirable.

Are bi-color gemstones good for jewelry?

Bi-color gemstones are excellent for jewelry because their unique color combinations create eye-catching designs. They are often used in rings, pendants and custom pieces.

Can I buy loose bi-color gemstones online?

Yes, GemSelect offers a wide selection of loose bi-color gemstones in many shapes and sizes, all available with detailed photos and worldwide shipping.

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

Wonderful purchase, can't wait to see the stone.

Posted By Tim in January, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 2025
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Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 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

I have a beautiful emerald I purchased from a company names gemselect and they are awesome! You should try them out?

Posted By Lynn in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the product and the details about each of them.

Posted By Love It! in July, 2025
Source: Bizrate
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