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Sort by:
- Featured
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- Best selling
- Alphabetically, A-Z
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- Price, low to high
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4.30 Carats Cushion Cut Orange Tourmaline From Afghanistan - Loose Gemstone For Jewelry Making
Showcasing warm and vibrant hues, this 4.30-carat natural orange and peach tourmaline from Afghanistan is beautifully cut in a classic cushion shape. Measuring 11 × 7.3 × 5.9 mm, this loose gemstone offers exceptional brilliance and is an excellent choice for custom rings, pendants,...- $600.00
- $600.00
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4.65 Carats Natural Bluish Green Tourmaline - Loose Bicolor Gemstone From Afghanistan
Make a statement with this 4.65-carat natural tourmaline from Afghanistan, featuring a captivating green to bluish green color and a beautifully proportioned cushion cut. Measuring 7.7 × 8.5 × 7.3 mm, this untreated loose gemstone showcases outstanding natural brilliance, making it an excellent choice...- $600.00
- $600.00
- Unit price
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2.35 Carats Cushion Cut Natural Blue Seafoam Tourmaline - Loose Afghan Gemstone For Jewelry
Discover the refreshing beauty of this 2.35-carat natural seafoam blue tourmaline from Afghanistan. Expertly cut into a cushion shape and measuring 7.3 × 6.7 × 5.5 mm, this untreated loose gemstone displays exceptional natural brilliance, making it an ideal choice for custom rings, pendants,...- $320.00
- $320.00
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2.25 Carats Pear Shape Pink Tourmaline - Loose Pink Stone For Rings
Add a vibrant touch to your jewelry collection with this 2.25-carat natural pink tourmaline from Afghanistan. Expertly cut into an elegant pear shape, this loose gemstone measures 8.2 × 7 × 5.5 mm and showcases a beautiful natural pink color, making it an excellent...- $220.00
- $220.00
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2.85 Carats Bluish Green Tourmaline Cushion Shape - Natural Loose Afghan Gemstone
Discover this beautiful 2.85-carat natural tourmaline from Afghanistan, featuring a captivating green to bluish green color and a finely crafted cushion cut. Measuring 7.7 × 7.1 × 6.0 mm, this untreated gemstone displays excellent natural brilliance, making it an ideal choice for custom rings,...- $280.00
- $280.00
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2.35 Carats Bluish Green Tourmaline Cushion Cut - Natural Loose Afghan Gemstone
Enhance your jewelry collection with this 2.35-carat natural tourmaline from Afghanistan, showcasing an attractive green to bluish green color. Expertly fashioned into a cushion cut and measuring 7.3 × 7 × 5.3 mm, this untreated gemstone offers excellent brilliance and is perfect for custom...- $150.00
- $150.00
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2.45 Carats Bluish Green Tourmaline - Loose Cushion Shape Afghan Stone
This 2.45-carat natural tourmaline from Afghanistan features a stunning green to bluish green color and a well-proportioned cushion cut. Measuring 8.8 × 6.6 × 4.7 mm, this untreated gemstone offers exceptional natural beauty, making it an ideal choice for custom rings, pendants, or gemstone...- $220.00
- $220.00
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3.70 Carats Bicolor Tourmaline Emerald Cut - Loose Afghan Multicolor Gemstone
Showcasing a beautiful blend of natural colors, this 3.70-carat bicolor tourmaline from Afghanistan is cut in a classic emerald shape for exceptional brilliance. Measuring 10.7 × 6.9 × 5.1 mm, this heated gemstone is an excellent choice for custom rings, pendants, or fine gemstone...- $550.00
- $550.00
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2.45 Carats Cushion Cut Natural Seafoam Tourmaline - Loose Afghan Gemstone
Add a unique touch to your jewelry collection with this 2.45-carat natural seafoam tourmaline from Afghanistan. Expertly cut into a cushion shape, this untreated gemstone measures 7.4 × 6.7 × 5.8 mm and displays a refreshing seafoam color, making it an excellent choice for...- $280.00
- $280.00
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3.25 Carats Cushion Cut Tourmaline - Natural Loose Afghan Gemstone - Green
Discover the beauty of this 3.25-carat natural tourmaline from Afghanistan, featuring a vibrant green to bluish green color and an elegant cushion cut. Measuring 9.5 × 7 × 5.4 mm, this untreated gemstone showcases its natural brilliance, making it an excellent choice for custom...- $250.00
- $250.00
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Green
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3.70 Carat Seafoam Blue Tourmaline Cushion Cut – Natural Aqua Blue Afghan Tourmaline
This stunning 3.70 carat natural tourmaline features a refreshing seafoam blue to aqua blue color, capturing the beauty of tropical ocean waters. Expertly crafted in a sparkling cushion cut, this gemstone displays excellent brilliance and a luxurious appearance. Sourced from Afghanistan, this untreated tourmaline...- $449.00
- $449.00
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2.85 Carat Seafoam Blue Tourmaline Emerald Cut – Natural Afghan Tourmaline Gemstone
Discover the refreshing beauty of this 2.85 carat natural seafoam blue tourmaline, featuring a calming blend of blue and green tones reminiscent of tropical ocean waters. Expertly crafted in an elegant emerald cut, this gemstone offers a sophisticated appearance with excellent brilliance and clarity....- $450.00
- $450.00
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2.65 Carat Tsavorite Garnet Pear Cut – Natural Vivid Green African Garnet Gemstone - Green
Discover the brilliance of this 2.65 carat natural tsavorite garnet, featuring a stunning vivid green color and an elegant pear cut. Tsavorite is one of the rarest and most valuable members of the garnet family, prized for its exceptional color and brilliance. Sourced from...- $700.00
- $700.00
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Green
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9.80 Carat Trillion Cut Amethyst – Natural African Faceted Purple Gemstone - Purple
9.80 Carat Trillion Cut Amethyst – Bold Geometric Elegance Showcase a unique style with this 9.80 carat natural amethyst, expertly crafted in a striking trillion (triangle) cut. This faceted gemstone offers a vibrant purple color with excellent brilliance, making it a standout piece for...- $150.00
- $150.00
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Purple
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22.20 Carat Heart Shape Amethyst – Deep Purple Natural African Amethyst Gemstone - Purple
22.20 Carat Heart Shape Amethyst – Bold & Romantic Gemstone Make a statement with this stunning 22.20 carat natural amethyst, beautifully cut in a heart shape that symbolizes love and elegance. Featuring a rich deep purple color, this gemstone offers exceptional visual appeal and...- $250.00
- $250.00
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Purple
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4.00 Carat Lagoon Tourmaline Cushion Cut – Natural Blue Green Afghan Tourmaline
4.00 Carat Lagoon Tourmaline – Rare Blue-Green Beauty Discover the elegance of this 4.00 carat natural lagoon tourmaline, featuring a captivating light blue-green color often referred to as “lagoon.” Sourced from Afghanistan, this gemstone combines refreshing color with excellent brilliance. The cushion cut enhances...- $1,999.00
- $1,999.00
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Mandarin Citrine Princess Cut - Orange
Details Stone Citrine Weight 7.70 Carats Dimensions 12.8 x 11 x 8.2 mm Origin Uruguay Birth month November- $180.00
- $180.00
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Orange
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Mandarin Cushion Cut Citrine - Orange
Details Stone Citrine Weight 11.75 Carats Dimensions 14.9 x 12.6 x 9.5 mm Origin Uruguay Birth month November- $200.00
- $200.00
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Orange
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Precision Cut Citrine - Orange
Details Stone Citrine Weight 6.75 Carats Dimensions 11.8 x 11.5 x 8.7 mm Origin Uruguay Birth month November- $160.00
- $160.00
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Orange
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Faceted Mandarin Citrine - Orange
Details Stone Citrine Weight 5.70 Carats Dimensions 10.2 x 10.3 x 7.9 mm Origin Uruguay Birth month November- $160.00
- $160.00
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Orange
Natural Gemstones – Loose Precious & Semi-Precious Gemstones
Explore a range of natural gemstones at Gemstones Island. The gemstones that are available in form have a beautiful mix of colors, cuts, sizes and natural features. These gemstones are perfect for people who love collecting for those who're interested in gemstones and for making custom jewelry.
There are precious gemstones like diamond, ruby, sapphire and emerald. There are also types of semi-precious gemstones. The collection has some of the beautiful and interesting stones that nature has to offer. If you want to buy gemstones if you are searching for a special colored gemstone or if you need a loose gemstone, for jewelry you will find natural stones that are chosen because of their beauty and unique qualities.
Explore Different Types of Natural Gemstones
Our natural gemstone collection contains stones, each prized for its unique color, look and natural beauty. Explore rubies, elegant sapphires, lush green emeralds, calming aquamarines, rich purple amethysts, warm topaz, colorful garnets, bright peridot, captivating opals, golden citrine, deep blue lapis lazuli, luminous moonstones, rare tanzanite, ancient amber and more.
Precious Gemstones
Discover some of the world's most sought-after precious gemstones, including:
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Diamond – Known for its exceptional brilliance and timeless appeal.
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Ruby Gemstone – Admired for its rich red color and vibrant appearance.
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Sapphire Gemstone – Available in beautiful shades, including classic blue and other natural colors.
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Emerald Gemstone – Celebrated for its distinctive and captivating green color.
These classic precious gemstones are popular choices for collectors and custom jewelry creations.
Colorful Semi-Precious Gemstones
Our collection also includes a variety of semi-precious gemstones that have amazing colors and natural features. From the blue shades of aquamarine to the deep purple of amethyst each gemstone has its own special charm.
Look at topaz, garnet, peridot, opal, citrine, lapis lazuli, moonstone, tanzanite, amber and many lovely natural loose gemstones. There are colors, shapes and cuts to choose from and these stones are perfect, for gemstone collections and one-of-a-kind jewelry designs.
Loose Gemstones for Jewelry and Collections
Do you want gemstones for jewelry? Our collection holds gemstones in cuts and shapes giving great choices for custom rings, pendants, earrings and other fine jewelry designs.
Every loose gemstone possesses its own specific traits, such as differences in color, clarity, inclusions and natural formation. These special features add to the uniqueness and beauty of each stone.
If you are looking for a colored gemstone, a rare addition to your collection or a natural stone, for a custom jewelry project Gemstones Island presents a wide range of gemstones for sale to discover.
Why Explore Gemstones at Gemstones Island?
At Gemstones Island we have a growing collection of gemstones and mineral samples that are picked because they have special beauty and personality. Our assortment has types of gemstones different colors, places they come from ways they are cut and sizes so that people with different tastes can find something they like.
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Wide selection of gemstones
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Precious and semi-precious gemstones
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Beautiful colored gemstones
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Loose gemstones for custom jewelry
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Unique and rare gemstone options
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Different cuts, shapes and sizes
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Good, for collectors and people who love jewelry
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Gemstone certification available when asked
Find Your Perfect Natural Gemstone
Whether you are interested, in the brilliance of a diamond the deep color of a ruby, the elegance of a sapphire the lush beauty of an emerald or the distinctive character of a colored stone explore our collection to discover the right gemstone for your needs.
Browse our selection of gemstones for sale and discover loose precious and semi-precious gemstones for jewelry making, collecting, gifting and personal enjoyment.



























