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Sort by:
- Featured
- Most relevant
- Best selling
- Alphabetically, A-Z
- Alphabetically, Z-A
- Price, low to high
- Price, high to low
- Date, old to new
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2.35 Ct Bluish Green Tourmaline | Cushion Cut Afghan Gemstone
Enhance your jewelry collection with this 2.35-carat Natural Tourmaline from Afghanistan, featuring an attractive green to bluish green color and a classic Cushion cut. Measuring 7.3 × 7 × 5.3 mm, this untreated loose Tourmaline is a distinctive choice for custom rings, pendants, earrings, and...- $150.00
- $150.00
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2.45 Ct Bluish Green Tourmaline | Cushion Cut Afghan Gemstone
Discover the natural beauty of this 2.45-carat Natural Tourmaline from Afghanistan, featuring an attractive green to bluish green color and a classic Cushion cut. Measuring 8.8 × 6.6 × 4.7 mm, this untreated loose gemstone is a beautiful choice for custom rings, earrings, pendants, and...- $220.00
- $220.00
- Unit price
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3.70 Ct Bicolor Tourmaline | Emerald Cut Afghan Gemstone
Discover the distinctive beauty of this 3.70-carat Natural Bicolor Tourmaline from Afghanistan, featuring an elegant Emerald cut and natural multicolor appearance. Measuring 10.7 × 6.9 × 5.1 mm, this loose gemstone offers an eye-catching combination of color and shape for custom jewelry designs and gemstone...- $550.00
- $550.00
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2.45 Ct Seafoam Tourmaline | Natural Afghan Cushion Cut Gemstone
Add a distinctive touch to your gemstone collection with this 2.45-carat Natural Seafoam Tourmaline from Afghanistan. Featuring a refreshing seafoam color and an elegant Cushion Cut, this loose Tourmaline offers a soft and attractive appearance that works well for custom jewelry designs and gemstone collections....- $280.00
- $280.00
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3.25 Ct Green Bluish Green Tourmaline | Afghan Cushion Cut Gemstone - Green
Discover the beauty of this 3.25-carat Natural Tourmaline from Afghanistan, featuring an attractive green to bluish green color and an elegant Cushion Cut. Measuring 9.5 × 7 × 5.4 mm, this untreated loose Tourmaline offers a distinctive combination of natural color, balanced proportions, and...- $250.00
- $250.00
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Green
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3.70 Ct Seafoam Blue Tourmaline | Aqua Blue Afghan Gemstone
Discover the refreshing beauty of this 3.70-carat Natural Tourmaline from Afghanistan, featuring an attractive seafoam blue to aqua blue color inspired by the soft tones of tropical waters. Its combination of blue and green tones gives this loose Tourmaline a distinctive appearance, while the Cushion...- $449.00
- $449.00
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2.85 Ct Seafoam Blue Tourmaline | Emerald Cut Afghan Gemstone
Discover the refreshing beauty of this 2.85-carat Natural Seafoam Blue Tourmaline from Afghanistan, featuring a captivating blend of blue and green tones. Its distinctive seafoam blue color gives the gemstone a calm and elegant appearance, while the elongated Emerald Cut creates a refined look...- $450.00
- $450.00
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2.65 Ct Tsavorite Garnet | Vivid Green African Gemstone - Green
Discover the striking beauty of this 2.65-carat Natural Tsavorite Garnet from Africa, featuring a vivid green color and an elegant Pear Cut. Known for its vibrant green appearance, Tsavorite Garnet is a distinctive member of the garnet family and an attractive choice for collectors and...- $700.00
- $700.00
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Green
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9.80 Ct Trillion Cut Amethyst | Purple African Gemstone - Purple
Discover the distinctive beauty of this 9.80-carat Natural Amethyst from Africa, featuring an elegant Trillion Cut and an attractive purple color. With its geometric triangular shape and faceted finish, this loose Amethyst offers a modern appearance that can work beautifully in custom jewelry designs....- $150.00
- $150.00
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Purple
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22.20 Ct Heart Shape Amethyst | Deep Purple African Gemstone - Purple
Discover the striking beauty of this 22.20-carat Natural Amethyst from Africa, featuring an elegant Heart Cut and a rich deep purple color. Its impressive size and distinctive heart shape give this loose Amethyst a bold appearance, making it an appealing choice for custom jewelry and...- $250.00
- $250.00
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Purple
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4.00 Ct Lagoon Tourmaline | Blue Green Afghan Gemstone
Discover the distinctive beauty of this 4.00-carat Natural Lagoon Tourmaline from Afghanistan, featuring an attractive light blue-green color and an elegant Cushion Cut. Often described as a lagoon shade, its refreshing combination of blue and green tones gives this gemstone a distinctive appearance. Measuring 12.5...- $2,000.00
- $2,000.00
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7.70 Ct Mandarin Citrine – Princess Cut Uruguay Gemstone - Orange
Discover the distinctive beauty of this 7.70-carat Mandarin Citrine from Uruguay, featuring an elegant Princess Cut and measuring 12.8 × 11 × 8.2 mm. Its striking mandarin color combined with the geometric princess cut gives this Citrine a modern and refined appearance. This Uruguay Citrine...- $180.00
- $180.00
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Orange
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11.75 Ct Mandarin Cushion Cut Citrine – Uruguay Gemstone - Orange
Discover the warm beauty of this 11.75-carat Mandarin Citrine from Uruguay, featuring an elegant Cushion Cut and substantial dimensions of 14.9 × 12.6 × 9.5 mm. Its distinctive mandarin color and generous size make it an appealing choice for gemstone enthusiasts and custom jewelry designs....- $200.00
- $200.00
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Orange
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6.75 Ct Precision Cut Citrine – Natural Uruguay Gemstone - Orange
Discover the distinctive beauty of this 6.75-carat Precision Cut Citrine from Uruguay. Measuring 11.8 × 11.5 × 8.7 mm, this Citrine features a precision-cut finish designed to enhance its visual appeal and interaction with light. This Uruguay Citrine is a versatile choice for custom...- $160.00
- $160.00
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Orange
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5.70 Ct Faceted Mandarin Citrine – Natural Uruguay Gemstone - Orange
Discover the warm golden-orange beauty of this 5.70-carat Mandarin Citrine from Uruguay. Featuring a precise faceted finish and measuring 10.2 × 10.3 × 7.9 mm, this Citrine gemstone offers an attractive combination of rich color, substantial size, and sparkling faceted surfaces. This Uruguay Citrine is...- $160.00
- $160.00
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Orange
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10.90 Ct Heart Shape Ametrine – Natural Bolivian Gemstone - Purplish Pink
Discover the distinctive beauty of this 10.90-carat Ametrine from Bolivia, featuring an elegant Heart shape and a generous gemstone size. Measuring 13.87 × 15.22 × 10.33 mm, this loose Ametrine offers a unique combination of size, shape, and natural character. The romantic Heart shape...- $335.00
- $335.00
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Purplish Pink
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3.15 Ct Precision Cut Peridot | Pakistani August Birthstone - Bright Green
Discover the distinctive beauty of this 3.15-carat Peridot from Pakistan, featuring a precise Trillion cut and an elegant faceted appearance. Measuring 8.9 × 8.9 × 6.4 mm, this loose Peridot offers a balanced triangular shape that makes it an eye-catching choice for custom jewelry...- $299.00
- $299.00
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Bright Green
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2.15 Ct Bluish Green Tourmaline | Natural Afghan Gemstone - Bluish Green
Discover the natural beauty of this 2.15-carat Bluish Green Tourmaline from Afghanistan, featuring an attractive blend of blue and green tones. Measuring 8.4 × 5.7 × 4.8 mm, this loose Tourmaline offers a distinctive color and appealing size for custom jewelry designs and gemstone...- $199.00
- $199.00
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Bluish Green
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2.75 Ct Lagoon Blue Tourmaline | Natural Afghan Gemstone - Blue
Discover the captivating beauty of this 2.75-carat Lagoon Blue Tourmaline from Afghanistan, featuring an attractive lagoon blue color and a distinctive natural appearance. Measuring 8.2 × 6.9 × 6 mm, this loose Tourmaline offers a beautiful combination of color, size, and natural character. The...- $200.00
- $200.00
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Blue
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7.40 Ct Electric Blue Topaz – Precision Cut Brazilian Gemstone - Blue
Discover the striking beauty of this 7.40-carat Electric Blue Topaz from Brazil, featuring a precisely crafted Precision cut and a vivid electric blue color. Measuring 11.7 × 10.6 × 8 mm, this loose Topaz offers an attractive combination of substantial size, vibrant color, and...- $180.00
- $180.00
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Blue
Natural Loose Gemstones for Jewelry & Collectors
Explore a collection of Gemstones at Gemstones Island. Gemstones are available in colors, cuts, shapes and carat weights. If you are a jewelry designer, a collector, a gemstone enthusiast or simply looking for a stone for a custom ring Gemstones, in our collection help you find what you need. Gemstones can be chosen to match your style and your exact requirements.
Gemstones are available in natural colors, faceted shapes and rare varieties. Every gemstone is perfect for custom jewelry, personal collections or creative designs. Gemstones will inspire you to create something
Browse gemstones in our collection to see stones for sale from origins with many colors and cuts. Gemstones, from places bring unique beauty to your projects.
What Are Loose Gemstones?
Loose gemstones are stones that have not yet been set into jewelry. I love how loose gemstones give me the freedom to pick my setting and design a piece that feels truly personal. Unlike a ring, pendant or pair of earrings loose gemstones let me decide exactly how loose gemstones should shine.
Loose gemstones are available in many varieties, including:
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Tourmaline
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Spinel
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Topaz
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Garnet
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Peridot
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Kunzite
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Citrine
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Ametrine
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Emerald
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Sapphire
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Opal
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Aquamarine
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and other colored gemstones
Depending on the stone, you can find different shapes, cuts, sizes and carat weights to match your jewelry design.
Shop Gemstones for Sale
Looking for gemstones to buy for your jewelry project or for your collection? We have a range of individual gemstones, in different colors, different shapes and different sizes. This gives you the chance to look at the stones and pick one that meets your needs.
You can explore gemstones based on:
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Gemstone type
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Color
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Cut
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Shape
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Carat weight
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Origin
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Treatment information
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Price
Each gemstone has its own characteristics, so reviewing the individual product details is important before making a purchase.
Buy Loose Gemstones Online
Buying gemstones online lets you see different stones without being stuck with what a local jewelry store has in stock. At Gemstones Island you can look at gemstones online check the details about each one and pick a stone from your home.
Before you buy think about the gemstones color how clear it is, how its cut, how much it weighs how big it's where it comes from or if it has been treated. Pictures and details about each product can also help you see how different stones compare.
If you already know which gemstone you are looking for you can go to the group and find the stones that are, for sale.
Natural Loose Gemstones in Different Colors
Color is one of the things people think about when picking a gemstone. Natural stones can show different colors from light and gentle shades to bright and strong colors.
Our natural loose gemstones can be explored in colors such as:
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Pink
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Blue
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Green
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Yellow
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Orange
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Purple
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Red
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White
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Multicolor
Gemstone appearance can change a lot depending on lighting, photography and the unique traits of the gemstone. Make sure to review the product images and the details of the gemstone you're interested, in.
Loose Gemstones for Jewelry Making
One of the biggest advantages of buying a loose gemstone is the ability to create jewelry around the stone you choose.
Loose gemstones for jewelry can be used for:
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Engagement rings
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Cocktail rings
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Pendants
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Earrings
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Bracelets
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Necklaces
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Custom jewelry
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Birthstone jewelry
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Statement pieces
A loose gemstone lets you choose the metal the setting and the design by yourself. This makes it a great option for jewelry designers and anyone who wants something that feels different from store-bought items. You can create your piece, one step, at a time exactly how you want it.
Loose Gemstones for Rings
If you are designing a custom ring choosing the gemstone shape and dimensions is especially important. The gemstone shape and dimensions must be chosen carefully. Loose gemstones for rings come in cuts and shapes such, as oval, cushion, emerald, pear, round and princess cuts.
When selecting a gemstone for a ring, consider:
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Stone dimensions
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Carat weight
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Shape and cut
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Color
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Durability of the gemstone
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Setting style
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Intended everyday use
Some gemstones are better suited to certain jewelry settings than others, so consider the stone's characteristics when planning your ring design.
Explore Different Gemstone Cuts & Shapes
The cut and shape of a gemstone can significantly influence its appearance. Faceted gemstones are designed with multiple surfaces that interact with light, while cabochon gemstones have a smooth, polished surface without traditional facets.
Common gemstone cuts and shapes include:
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Oval Cut – timeless and versatile
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Round Cut – classic and brilliant
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Cushion Cut – soft corners with an elegant appearance
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Emerald Cut – clean and sophisticated
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Pear Shape – distinctive and graceful
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Princess Cut – modern and geometric
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Marquise Cut – elongated and eye-catching
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Cabochon – smooth and polished rather than traditionally faceted
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Fancy Cuts – creative shapes for distinctive designs
If you are shopping for a particular jewelry design, compare the gemstone's measurements as well as its carat weight. Two gemstones with the same carat weight can have different dimensions depending on their density, shape and cut.
Loose Cut Gemstones
Loose cut gemstones are especially popular, with jewelry designers because they can be picked carefully for a setting. Faceted stones offer levels of sparkle and visual appeal depending on the type of gemstone how it is cut and how good the quality is.
When choosing a cut gemstone, look beyond carat weight. The proportions, symmetry, color and clarity of an individual stone can all influence its appearance.
Loose Precious & Colored Gemstones
Gemstones can be broadly discussed as precious or colored gemstones, depending on the species and market terminology.
Our collection may include loose precious gemstones as well as other colored gemstones, giving you different options for jewelry projects and collections.
Popular gemstone categories include:
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Sapphire
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Emerald
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Ruby
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Tourmaline
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Spinel
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Garnet
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Topaz
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Peridot
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Kunzite
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Citrine
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Aquamarine
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Opal
The availability of each gemstone the color, the size and the origin can change over time so look through the collection to find stones that're available right now.
How to Choose the Right Loose Gemstone
Choosing a gemstone is about more than simply finding a beautiful color. Consider the following factors before buying.
1. Gemstone Type
Start by choosing the gemstone species that matches your jewelry project or personal preference. Different gemstones have different physical and optical characteristics.
2. Color
Consider whether you prefer a vivid, pastel, deep or unusual color. For many colored gemstones, color is one of the most noticeable factors affecting visual appeal.
3. Cut & Shape
Choose a cut that works with your intended jewelry design. Oval and cushion cuts, for example, can create a different look from emerald or princess cuts.
4. Carat Weight & Size
Carat measures weight rather than physical dimensions. Always check both carat weight and measurements when comparing loose gemstones.
5. Clarity
Depending on the gemstone type, inclusions may be common and can be part of the stone's natural character. Review the individual product description and images for details.
6. Origin & Treatment
When you can check the listed origin and treatment before buying a gemstone. The treatment can change how the gemstone should be described, cared for and valued.
Natural Gemstones for Custom Jewelry
Loose gemstones give you the freedom to choose the stone first. That way you can pick the gemstone you love before deciding on the setting. It’s a way to start a custom jewelry project. You get to focus on the stone you want and then match it with a design that fits. This approach helps make the final piece truly personal.
If you are making a gemstone ring, pendant earrings or any custom design start by picking the gemstone. Picking the gemstone first lets the jewelry design grow around the gemstone’s color, shape, size and personality.
If you already have a design, in mind pay close attention to the gemstones measurements so your jeweler can choose an appropriate setting.
Loose Gemstones for Collectors
Loose gemstones are not just for people who make jewelry. People who collect things might also pick out stones based on the type of gemstone, the color, where it came from how it was shaped how big it is or if it has something special about it.
A collection can have types of gemstones different kinds from specific areas, special colors or unique shapes. Keeping details about each stone like how many carats it weighs, how big it is, where its, from and if it has been treated can also help you keep your collection more organized.
Wholesale Loose Gemstones
For jewelry businesses, designers and resellers buying loose gemstones can be very helpful when many stones are needed for production or inventory.
Wholesale requirements can change based on gemstone type, quantity, size, quality and desired price range. If you want gemstones or a larger quantity contact the Gemstones Island team and give them your requirements so they can check availability.
Whether you need stones or multiple gemstones for a jewelry project give details such, as gemstone type, color, size, quantity and budget. This will help find the options.
Why Choose Gemstones Island?
At Gemstones Island, we focus on making it easier to discover and shop for individual gemstones online.
Our collection is designed for:
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Jewelry designers
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Custom jewelry buyers
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Gemstone collectors
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Gem enthusiasts
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Jewelry businesses
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Resellers
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Customers looking for a unique loose stone
Each product can be looked at by itself to see what features are available. These features include the type of gemstone how much it weighs in carats how big it is, the way it is cut the color and other information, about the product.
Look through our gemstones that are sold loose and discover types of gemstones. Find a stone that works for your piece of jewelry or your collection.
Frequently Asked Questions
What are loose gemstones?
Loose gemstones are individual stones that are not mounted in jewelry. They can be purchased separately and later set into rings, pendants, earrings, bracelets or other custom jewelry.
Where can I buy loose gemstones?
You can buy loose gemstones online from specialized gemstone retailers such as Gemstones Island. Product details, images, dimensions and available gemstone information should be reviewed before purchasing.
Can I buy natural loose gemstones online?
Yes. Natural loose gemstones are available online in many gemstone varieties, colors, cuts and carat weights. Always check the individual product listing for information about the specific stone.
What are loose gemstones used for?
Loose gemstones are commonly used for custom rings, pendants, earrings, bracelets, necklaces, birthstone jewelry, collections and other jewelry designs.
How do I choose loose gemstones for rings?
Consider the gemstone's durability, color, cut, shape, dimensions and carat weight. The intended use of the ring should also be considered when selecting a gemstone.
What is the difference between carat weight and gemstone size?
Carat refers to the weight of a gemstone, while size usually refers to its physical dimensions. Two gemstones with the same carat weight can have different dimensions depending on their gemstone type and shape.
Can I buy wholesale loose gemstones?
Yes, wholesale requirements can be discussed for larger quantities. Contact the Gemstones Island team with the gemstone type, quantity, size and other requirements you need.
Are all gemstones natural?
Gemstone treatments and origins can vary by individual stone. Always check the product listing for the specific gemstone's available treatment and origin information rather than assuming that every stone has the same characteristics.


























