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Home Gemstones Gemstones By Color Bi Color Gemstones

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
Single
Pairs
Lots
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10.40ct Bi-Color Ametrine, Marquise, VS

25.8 x 10.2 mm

$ 79.76

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82.79ctw Bi-Color Tourmaline, Fancy, Translucent

38.9 x 22.2 mm

$ 1,236.88

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44.80ct Bi-Color Ametrine, Oval, VVS

26.6 x 21.4 mm

$ 245.41

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19.51ct Bi-Color Ametrine, Oval, VVS

18.5 x 14.3 mm

$ 97.16

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33.04ctw Bi-Color Tourmaline, Fancy, Transparent

21 x 17.9 mm

$ 330.40

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29.46ct Bi-Color Ametrine, Oval, VVS-VS

22.6 x 19.3 mm

$ 193.66

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23.89ct Bi-Color Ametrine, Pear Shape, VS

24.3 x 16 mm

$ 183.21

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11.44ct Bi-Color Ametrine, Oval, VVS

15.7 x 12.9 mm

$ 87.74

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32.77ct Bi-Color Ametrine, Oval, VVS

25 x 18 mm (calibrated)

$ 179.52

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3.60ct Bi-Color Tourmaline, Emerald Cut, SI

13.9 x 6.4 mm

$ 286.85

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21.45ct Bi-Color Ametrine, Marquise, VS

30.2 x 13.4 mm

$ 164.51

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23.59ct Bi-Color Ametrine, Pear Shape, VS

21.8 x 19 mm

$ 180.92

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19.95ct Bi-Color Ametrine, Oval, VVS-VS

18.8 x 15 mm

$ 153.00

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38.72ct Bi-Color Tourmaline, Fancy, Transparent

29.7 x 27.3 mm

$ 321.38

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1.28ct Bi-Color Tourmaline, Emerald Cut, VVS

8.6 x 4.9 mm

$ 344.22

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13.27ctw Bi-Color Tourmaline, Fancy, Transparent

20.1 x 17.3 mm

$ 330.42

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65.90ctw Bi-Color Tourmaline, Flower Cut, Translucent

35.5 x 25.2 mm

$ 722.00

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11.94ct Bi-Color Ametrine, Oval, VVS

17 x 12.6 mm

$ 78.48

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18.70ct Bi-Color Ametrine, Oval, VS

17.6 x 15.5 mm

$ 143.42

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33.36ct Bi-Color Ametrine, Pear Shape, VVS-VS

25.1 x 21.4 mm

$ 255.84

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27.56ct Bi-Color Ametrine, Oval, VVS-VS

20 x 15 mm (calibrated)

$ 211.36

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3.20ct Bi-Color Tourmaline, Fancy, Transparent

12.3 x 9.4 mm

$ 96.00

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17.33ct Bi-Color Ametrine, Oval, VVS-VS

18 x 13 mm (calibrated)

$ 132.91

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3.09ct Bi-Color Tourmaline, Fancy, Transparent

11 x 9 mm (calibrated)

$ 92.70

View Gem
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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 -> 8 star ratings

It was a good interaction I got a good gemstone for cheap

Posted By Jon in December, 2025
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I was able to find what I wanted very easily!

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Overall Rating -> 10 star ratings

Very good place to buy gemstones

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Overall Rating -> 10 star ratings

Absolutely love the website, selection and products. Can you guys add a gemstones with inclusions tab. I like those it'd be nice to have them all in one place but i do understand it would be alot of work to go through and categorize them. Thank you anyways

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Overall Rating -> 9 star ratings

If you have motion picture, then I will be more satisfied with.

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