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Sort by:
- Featured
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- Best selling
- Alphabetically, A-Z
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1.50 Ct Black and Blue Bicolor Tourmaline | Afghan Gemstone
Discover the distinctive beauty of this 1.50-carat Natural Bicolor Tourmaline from Afghanistan, featuring contrasting black and blue colors in an elegant Emerald Cut. Measuring 6.2 × 5.8 × 4.3 mm, this untreated loose Tourmaline offers a unique two-color appearance for collectors and custom jewelry enthusiasts....- $100.00
- $100.00
- Unit price
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1.20 Ct Bicolor Tourmaline – Natural Afghan Emerald Cut Gemstone
Discover the captivating beauty of this 1.20-carat Natural Bicolor Tourmaline from Afghanistan, featuring a classic Emerald Cut with attractive blue and green coloring. Measuring 10.0 × 4.0 × 2.7 mm, this untreated loose Tourmaline showcases a distinctive two-color appearance. This Blue and Green Tourmaline is...- $140.00
- $140.00
- Unit price
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1.40 Ct Natural Watermelon Tourmaline – Afghan Gemstone
Discover the distinctive beauty of this 1.40-carat Natural Watermelon Tourmaline from Afghanistan, featuring an elegant Emerald Cut with contrasting green and pink colors. Measuring 11.0 × 3.8 × 2.9 mm, this untreated loose Tourmaline showcases a striking bicolor appearance. This Green and Pink Tourmaline is...- $140.00
- $140.00
- Unit price
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1.90 Ct Natural Bluish Green Tourmaline – Afghan Gemstone
Discover the natural beauty of this 1.90-carat Natural Tourmaline from Afghanistan, featuring an elegant Cushion Cut and an attractive bluish green color. Measuring 6.7 × 6.5 × 5.0 mm, this untreated loose Tourmaline offers a distinctive combination of color, size, and classic cushion shape. This...- $250.00
- $250.00
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1.60 Ct Bluish Green Bicolor Tourmaline – Natural Afghan Gemstone
Discover the captivating beauty of this 1.60-carat Natural Bicolor Tourmaline from Afghanistan, featuring an elegant Emerald Cut with attractive blue and green coloring. Measuring 8.1 × 5.0 × 3.8 mm, this untreated loose Tourmaline showcases a distinctive two-color appearance. This Blue Green Tourmaline is a...- $250.00
- $250.00
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1.25 Ct Baby Pink Tourmaline | Cushion Cut Afghan Gemstone
Discover the delicate beauty of this 1.25-carat Natural Baby Pink Tourmaline from Afghanistan, featuring an elegant Cushion cut and a soft baby pink color. Measuring 6.0 × 5.1 × 4.3 mm, this loose Tourmaline offers a graceful combination of gentle color, balanced proportions, and...- $150.00
- $150.00
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1.15 Ct Bluish Green Tourmaline | Emerald Cut Afghan Gemstone
Discover the natural beauty of this 1.15-carat Natural Bluish Green Tourmaline from Afghanistan, featuring a classic Emerald cut and an attractive bluish green color. Measuring 7.3 × 4.3 × 3.5 mm, this loose Tourmaline showcases a distinctive color combination with a refined faceted appearance....- $150.00
- $150.00
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2.15 Ct Pink Tourmaline | Oval Cut Natural Afghan Gemstone
Discover the delicate beauty of this 2.15-carat Natural Pink Tourmaline from Afghanistan, featuring an elegant Oval cut and a beautiful pink color. Measuring 7.9 × 6.8 × 5.2 mm, this loose Tourmaline offers a graceful combination of soft color, classic shape, and natural brilliance....- $250.00
- $250.00
- Unit price
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2.60 Ct Blue Green Tourmaline | Bicolor Cushion Cut Afghan Gemstone
Discover the captivating beauty of this 2.60-carat Natural Bicolor Tourmaline from Afghanistan, featuring an elegant Cushion cut and beautiful blue and green coloring. Measuring 6.8 × 6.7 × 5.8 mm, this loose Tourmaline showcases a distinctive combination of blue and green tones with natural...- $300.00
- $300.00
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4.15 Ct Bright Green Tourmaline | Cushion Cut Afghan Gemstone
Discover the vibrant beauty of this 4.15-carat Natural Bright Green Tourmaline from Afghanistan, featuring an elegant Cushion cut and a vivid green color. Measuring 10.4 × 7.5 × 5.8 mm, this loose Tourmaline showcases a beautiful bright green hue with natural brilliance and an...- $500.00
- $500.00
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1.00 Ct Lagoon Blue Tourmaline – Natural Afghan Gemstone
Discover the captivating beauty of this 1.00-carat Natural Tourmaline from Afghanistan, featuring an elegant Emerald cut and a distinctive lagoon blue color. Measuring 6.4 × 4.6 × 3.5 mm, this natural and untreated loose Tourmaline showcases an attractive blue tone with a refined faceted appearance....- $200.00
- $200.00
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1.00 Ct Bluish Green Tourmaline – Natural Afghan Gemstone
Discover the natural beauty of this 1.00-carat bluish green Tourmaline from Afghanistan, featuring a classic Emerald cut that highlights its attractive color and elegant shape. Measuring 7.4 × 4.1 × 3.0 mm, this natural and untreated loose Tourmaline is a versatile choice for custom...- $150.00
- $150.00
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3.50 Ct Bluish Green Tourmaline – Cushion Cut Loose Gemstone
Discover the natural beauty of this 3.50-carat bluish green tourmaline from Afghanistan, featuring an attractive blend of blue and green tones and an elegant cushion cut. Measuring 7.8 × 7.7 × 6.3 mm, this untreated loose tourmaline gemstone showcases beautiful natural brilliance and a...- $600.00
- $600.00
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3.65 Carats Natural Green Bicolor Tourmaline Stone Cushion Shape Loose Afghan Gemstone
Discover the unique beauty of this 3.65-carat natural green bicolor tourmaline from Afghanistan, expertly cut in an elegant cushion shape. Measuring 10.2 × 6.8 × 5.3 mm, this untreated loose gemstone showcases beautiful green color zoning and natural brilliance, making it an excellent choice...- $600.00
- $600.00
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3.15 Carats Natural Mint Green Tourmaline Cushion Cut Loose Afghan Gemstone
Discover the refreshing beauty of this 3.15-carat natural mint green tourmaline from Afghanistan, expertly cut in an elegant cushion shape. Measuring 9.0 × 7.4 × 5.5 mm, this untreated loose gemstone showcases a soft mint green color and natural brilliance, making it an excellent...- $500.00
- $500.00
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3.10 Carats Natural Pink Tourmaline Cushion Shape - Loose Afghan Gemstone
Discover the vibrant beauty of this 3.10-carat natural pink tourmaline from Afghanistan, expertly cut in a classic cushion shape. Measuring 8.4 × 8.4 × 5.9 mm, this untreated loose gemstone showcases a beautiful pink color and natural brilliance, making it an excellent choice for...- $250.00
- $250.00
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1.65 Carats Lagoon Color Tourmaline Stone Emerald Cut - Natural Loose Afghan Stone
Discover the captivating beauty of this 1.65-carat natural lagoon tourmaline from Afghanistan, expertly cut in an elegant emerald shape. Measuring 8.3 × 5.5 × 3.9 mm, this untreated loose gemstone showcases a distinctive lagoon color with beautiful natural brilliance, making it an excellent choice...- $250.00
- $250.00
- Unit price
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3.90 Ct Natural Blue Bicolor Tourmaline – Afghan Loose Gemstone
Discover the distinctive beauty of this 3.90-carat natural blue bicolor tourmaline from Afghanistan, featuring an elegant emerald shape and beautiful natural color zoning. Measuring 10.1 × 7.1 × 5.5 mm, this untreated loose tourmaline gemstone showcases an attractive blue bicolor appearance with natural brilliance...- $800.00
- $800.00
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3.55 Ct Natural Pink Tourmaline Emerald Cut Loose Gemstone
Discover the natural beauty of this 3.55-carat pink tourmaline gemstone from Afghanistan, featuring a classic emerald cut and an attractive pink color. This untreated loose gemstone measures 11.8 × 5.7 × 5.2 mm and offers a distinctive combination of color, shape, and natural character....- $500.00
- $500.00
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2.45 Ct Natural Bluish Green Tourmaline | Afghan Loose Gemstone
Discover the distinctive beauty of this 2.45-carat natural bluish green tourmaline from Afghanistan, featuring an elegant emerald shape and an attractive blue-green color. Measuring 12.5 × 5.0 × 4.0 mm, this untreated loose green tourmaline gemstone displays natural brilliance and a refined elongated shape,...- $350.00
- $350.00
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Natural Loose Tourmaline Gemstones
Explore the unique colors and unique personality of loose tourmaline gemstones at Gemstones Island. Known for their colorful nature, the tourmaline gemstones are available in a range of colors such as green, pink, blue, red, yellow, and even multi-colored.
If you wish to create a ring as per your own preferences or create a pendant, or wish to add a new stone to your collection, then loose tourmaline gemstones offer you the flexibility to choose the color, shape, and carat weight as per your requirements.
What Is Loose Tourmaline?
Loose tourmaline stone refers to a single stone that is not yet set in any piece of jewelry. Rather than purchasing already made jewelry, you can select the stone and make jewelry around it.
This makes loose tourmaline a popular choice for:
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Custom rings
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Pendants
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Earrings
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Necklaces
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Statement jewelry
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Gemstone collections
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Jewelry design projects
Tourmaline is especially interesting because it occurs in an unusually broad range of colors, from vibrant blues and greens to pink, red, yellow and multicolored varieties.
Explore Loose Tourmaline Gemstones for Sale
Looking for loose tourmaline gemstones for sale? Explore individual stones in different colors, shapes, cuts and carat weights.
Each tourmaline is an individual gemstone, so appearance can vary considerably even between stones of the same variety. When comparing gemstones, consider:
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Color and saturation
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Clarity
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Cut quality
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Shape
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Carat weight
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Dimensions
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Origin, when documented
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Treatment information
When looking at the appearance of colored gems like tourmaline, the color plays a vital role in evaluating the gemstone. The GIA states that tourmaline comes in many different colors, tone, and saturation.
Tourmaline Colors & Varieties
One of the best things about tourmaline is the amazing variety of colors available. There are gems available in just one color, two or more colors.
Green Tourmaline
Green tourmalines are found from pale green to deep green varieties. Some gemstones may possess blue-green coloration and high transparency.
Pink Tourmaline
Pink Tourmaline comes in different hues ranging from light to dark pink and even reddish pink. Inclusions in pink and red tourmaline are extremely common; therefore, the relationship between color, clarity, and appearance is extremely important.
Blue Tourmaline
Tourmaline in blue color, which is also known as indicolite, is appreciated for its beautiful blue and blue-green colors. The colors can differ greatly from one gem to another.
Watermelon Tourmaline
Watermelon Tourmaline is characterized by its unique coloration, consisting of shades of both pink and green colors. The color zoning may make one imagine the fruit for which the mineral was named.
Paraíba Tourmaline
Paraíba type tourmaline is best known for its vivid blue, green, and blue-green hues, which are caused by copper bearing material. As quality and source may differ, certification from a reputable lab may become necessary for the Paraíba tourmaline specimen.
Rubellite Tourmaline
Rubellite usually means beautiful red to pinkish red tourmaline. Color is one of the essential factors to consider when selecting a rubellite gemstone.
Bicolor & Multicolor Tourmaline
It should be noted that some tourmaline gemstones have several colors in one crystal. They can form unique jewelry pieces and look impressive if cut according to the color zoning of the crystals.
Why Choose Loose Tourmaline?
There are many reasons gemstone enthusiasts and jewelry designers choose tourmaline.
A Remarkable Range of Colors
Very few gems have so many color options available. If you love pink, green, blue, red, yellow or even multi-colored stone, tourmaline is your best choice.
Unique Individual Character
Tourmaline in its natural form might have inclusions, color zoning and pleochroism, which means that it may vary in appearance according to the direction from which it is viewed.
Flexible for Custom Jewelry
Buying the gemstone separately allows you to select the setting, metal and design after finding the stone you love.
Suitable for Many Jewelry Styles
Tourmaline is an ideal choice for use in jewelry because of its hardness of about 7-7.5 on the Mohs scale, but it must be shielded from shock and drastic changes in temperature.
How to Choose the Right Loose Tourmaline
Choosing a loose tourmaline stone should involve more than simply selecting your favorite color.
1. Consider the Color
Color is one of the most important factors when choosing tourmaline. Look at hue, tone and saturation, and consider how the color appears under different lighting conditions.
2. Examine Clarity
Tourmaline commonly contains natural inclusions. The importance of clarity depends on the color and variety of the stone. For some pink and red tourmalines, visible inclusions can occur without necessarily preventing the stone from being attractive.
3. Examine the Cut
The cut of the stone can play an important role in how tourmaline reacts with light. The cutters also take into account pleochroism and the crystal orientation of tourmaline when cutting a stone.
4. Evaluate the Carat Weight and Dimensions
Carat weight is employed to calculate the weight of the gemstone, while dimensions represent the actual size of the stone. When purchasing a loose tourmaline to be set in a ring, it is important to ensure that your measurements are accurate.
5. Consider Information on Treatments
Sometimes a tourmaline stone may be subjected to various treatments that affect its color. According to GIA, some common treatments of tourmaline include heat and irradiation.
6. Consider Origin When Relevant
Origin can be an important part of a gemstone's documentation and market context, particularly for certain varieties. However, a geographic origin alone does not determine the quality of an individual tourmaline.
Loose Tourmaline for Jewelry
A loose gemstone gives you the opportunity to build your jewelry design around the stone.
Loose tourmaline can be used for:
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Engagement and statement rings
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Pendants
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Earrings
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Necklaces
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Bracelets
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Custom jewelry
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Birthstone jewelry
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Collector pieces
When dealing with rings to be worn often, take into consideration the cut, setting, and purpose of the ring. Even though tourmaline has good hardness as a gemstone, it only has fair toughness, and extreme heat may harm some stones.
Loose Tourmaline for Rings
Choosing loose tourmaline for rings allows you to select the exact stone before deciding on the final setting.
When choosing a tourmaline for a ring, consider:
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Stone dimensions
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Shape
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Color
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Cut
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Durability
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Setting style
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Daily or occasional wear
An oval, cushion or emerald-cut tourmaline can create very different looks, so the shape should complement your overall ring design.
Buy Loose Tourmaline Online
When you buy loose tourmaline online, look beyond the product title and carat weight. Before purchasing, check:
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Actual gemstone photographs
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Exact dimensions
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Carat weight
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Color
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Cut and shape
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Clarity
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Treatment information
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Origin, where available
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Return and shipping policies
If you're purchasing an expensive or particularly important stone, an independent laboratory report can provide additional information about characteristics such as whether the gemstone is natural or laboratory-grown, detectable treatments and, where possible, geographic origin. GIA reports can assess loose tourmaline for these characteristics.
Loose Tourmaline for Collectors
Tourmaline is an especially interesting gemstone for collectors because of its wide range of colors and varieties.
A collection might include:
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Green tourmaline
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Pink tourmaline
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Blue tourmaline
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Watermelon tourmaline
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Bicolor tourmaline
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Rubellite
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Paraíba-type tourmaline
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Unusual color combinations
Collectors may also compare stones based on color zoning, clarity, cutting style, size, origin and other documented characteristics.
Tourmaline Care & Cleaning
Caution is advised when handling tourmaline. Despite its Mohs hardness of 7-7.5, according to GIA, it is wise to avoid subjecting the gem to high heat as it might damage the gemstone.
To clean the gemstone, it is advisable to use soapy water at room temperature. According to GIA, tourmaline should not be subjected to ultrasonic and steam cleaning. If you have a treated tourmaline, observe the care requirements for that specific gemstone.
Why Buy Loose Tourmaline from Gemstones Island?
It will be easier for you to look at individual gemstones when designing custom jewelry pieces using Gemstones Island. The collection of loose tourmaline is a mixture of different colors of gemstones in terms of shape, cut, and carat; this will make it easy for you to select the appropriate gemstone for your design.
If you are looking for a colored center stone or a rare gemstone for your custom ring, or even if you simply wish to complete your collection with something special, then have a look at our loose tourmaline gemstones.
Frequently Asked Questions About Loose Tourmaline
What does loose tourmaline mean?
Loose tourmaline means a single stone that is not yet mounted into jewelry. This type of tourmaline stone may be bought separately and then set into any type of ring, pendant, earrings or other type of custom jewelry.
Is tourmaline a good gemstone for jewelry?
Tourmaline has a hardness of about 7-7.5 on the Mohs scale and can be used in a variety of jewelry. But its toughness is described as fair, so special care must be taken.
What color of tourmaline is the most valuable?
Not all colors are the same in value and price. The GIA states that bright red, blue and green hues of tourmaline are typically very valuable and popular, and vivid copper-containing blue-green tourmalines, like Paraiba-type, are particularly important in the jewelry trade.
Is watermelon tourmaline natural?
Watermelon tourmaline means that there is pink and green color zoning in tourmaline. It is a natural coloring in the stone, although one needs to consider all the details about the particular gemstone.
Can I buy loose tourmaline online?
Yes. When you are going to buy tourmaline loose on the Internet, look at the pictures, measurements, carat weight, color, cut, clarity, and treatment.
Is tourmaline suitable for an engagement ring?
It is possible to use tourmaline in engagement rings, but there are some factors that you need to consider.
Does tourmaline need special care?
Tourmaline needs to be kept away from excessive heat and extreme changes in temperature. Warm soap and water should be used for cleaning, but ultrasonic and steam cleaners are not suggested by GIA.


























