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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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- Date, old to new
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2.70 Ct Lagoon Green Tourmaline – Cushion Cut Loose Gemstone
Discover the captivating beauty of this 2.70-carat natural lagoon green tourmaline from Afghanistan, featuring an attractive blend of bluish green tones and an elegant cushion cut. Measuring 7.7 × 7 × 5.6 mm, this untreated loose tourmaline gemstone showcases beautiful natural brilliance and distinctive...- $400.00
- $400.00
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2.70 Ct Forest Green Tourmaline | Emerald Cut Loose Stone
Discover the vibrant beauty of this 2.70-carat natural green tourmaline from Afghanistan, expertly cut in an elegant emerald cut. Measuring 10.9 × 5.5 × 4.3 mm, this untreated loose green tourmaline gemstone displays a vivid green color and attractive natural brilliance. The elongated emerald...- $350.00
- $350.00
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3.45 Ct Bluish Green Tourmaline – Loupe Clean Cushion Cut Gemstone
Discover the captivating beauty of this 3.45-carat natural bluish green tourmaline from Afghanistan, expertly cut in an elegant cushion shape. Measuring 9.9 × 6.5 × 5.5 mm, this untreated loose tourmaline gemstone displays a beautiful blend of blue and green tones with attractive natural...- $600.00
- $600.00
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2.70 Carats Bicolor Tourmaline Baguette Cut - Natural Loose Gemstone
Discover the distinctive beauty of this 2.70-carat natural bicolor tourmaline from Afghanistan, featuring captivating blue-green tones. Expertly cut in a sleek baguette shape, this untreated loose gemstone measures 14.6 × 7.8 × 3.5 mm and is an excellent choice for custom rings, pendants, or...- $400.00
- $400.00
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2.70 Carats Bluish Green Tourmaline Emerald Shape - Natural Loose Gemstone For Jewelry Making
Discover the elegant beauty of this 2.70-carat natural bluish green tourmaline from Afghanistan. Expertly cut in a classic emerald shape, this untreated loose gemstone measures 10.6 × 5.5 × 4.7 mm and showcases a captivating bluish green color with natural brilliance. An excellent choice...- $300.00
- $300.00
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2.45 Carats Cushion Cut Natural Blue Tourmaline - Loose Afghan Gemstone For Jewelry
Discover the captivating beauty of this 2.45-carat natural blue tourmaline from Afghanistan. Expertly cut in a classic cushion shape, this loose gemstone measures 7.8 × 6.7 × 5.5 mm and showcases a beautiful blue color with natural brilliance. An excellent choice for custom rings,...- $400.00
- $400.00
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5.20 Carats Natural Forest Green Tourmaline - Natural Loose Cushion Cut Gemstone
Discover the rich beauty of this 5.20-carat natural forest green tourmaline from Afghanistan. Expertly cut in a classic cushion shape, this loose gemstone measures 10.6 × 8.4 × 6.5 mm and showcases a deep forest green color with natural brilliance. An excellent choice for...- $800.00
- $800.00
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1.65 Carats Mint Green Tourmaline Cushion Cut - Natural Loose Afghan Gemstone For Jewelry
Discover the refreshing beauty of this 1.65-carat natural mint green tourmaline from Afghanistan. Expertly cut in a classic cushion shape, this loose gemstone measures 7.0 × 6.2 × 4.5 mm and showcases a soft mint green color with natural brilliance. An excellent choice for...- $250.00
- $250.00
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4.00 Carats Natural Loupe Clean Bluish Green Tourmaline - Loose Gemstone For Jewelry Making
Discover the elegant beauty of this 4.00-carat natural bluish green tourmaline from Afghanistan. Expertly cut in a classic emerald shape, this untreated loose gemstone measures 13.8 × 5.6 × 4.8 mm and showcases a captivating bluish green color with natural brilliance. An excellent choice...- $800.00
- $800.00
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2.40 Carats Trillion Shape Pink Tourmaline - Loose Afghan Gemstone
Discover the vibrant beauty of this 2.40-carat natural pink tourmaline from Afghanistan, expertly cut in an elegant trillion shape. Measuring 8.3 × 8.2 × 5.5 mm, this gemstone has been heated and showcases a beautiful pink color with attractive brilliance. An excellent choice for...- $350.00
- $350.00
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2.30 Carats Natural Bluish Green Tourmaline Emerald Cut - Loose Gemstone For rings
Discover the elegant beauty of this 2.30-carat natural bluish green tourmaline from Afghanistan. Expertly cut in a classic emerald shape, this untreated loose gemstone measures 11.1 × 5.5 × 3.8 mm and showcases a captivating bluish green color with natural brilliance. An excellent choice...- $400.00
- $400.00
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5.75 Carats Cushion Cut Natural Blue Tourmaline - Loose Afghan Gemstone For Jewelry
Discover the captivating beauty of this 5.75-carat natural blue tourmaline from Afghanistan. Expertly cut in a classic cushion shape, this untreated loose gemstone measures 9.8 × 9.5 × 7.3 mm and showcases a rich blue color with natural brilliance. An excellent choice for custom...- $650.00
- $650.00
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2.65 Carats Natural Blue Tourmaline Cushion Cut- Loose Afghan Gemstone For Jewelry
Discover the captivating beauty of this 2.65-carat natural blue tourmaline from Afghanistan. Expertly cut in a classic cushion shape, this untreated loose gemstone measures 7.9 × 6.6 × 5.8 mm and showcases a beautiful blue color with natural brilliance, making it an excellent choice...- $450.00
- $450.00
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1.45 Carats Tourmaline Mint Green Cushion Cut Gemstone
Discover the fresh beauty of this 1.45-carat natural mint green tourmaline from Afghanistan. Expertly cut in a classic cushion shape, this untreated loose gemstone measures 7.3 × 5.3 × 4.1 mm and showcases a delicate mint green color with natural brilliance. An excellent choice...- $180.00
- $180.00
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5.30 Carats Cushion Cut Green Tourmaline - Natural Loose Gemstone From Afghanistan
Discover the natural beauty of this 5.30-carat green tourmaline from Afghanistan, expertly cut in a classic cushion shape. Measuring 9.6 × 8.2 × 7.2 mm, this untreated loose gemstone showcases a vibrant green color and natural brilliance, making it an excellent choice for custom...- $800.00
- $800.00
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2.50 Carats Natural Seafoam Bicolor Tourmaline - Loose Emerald Cut Stone
Discover the captivating beauty of this 2.50-carat natural seafoam bicolor tourmaline from Afghanistan. Expertly cut in a classic emerald shape, this untreated loose gemstone measures 9.5 × 5.6 × 4.8 mm and showcases a beautiful blend of seafoam tones, making it an excellent choice...- $400.00
- $400.00
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1.65 Carats Cushion Cut Mint Green Tourmaline - Natural Loose Gemstone For Jewelry Making
Discover the fresh beauty of this 1.65-carat natural mint green tourmaline from Afghanistan. Expertly cut in a classic cushion shape, this untreated loose gemstone measures 7.4 × 6.1 × 5.7 mm and displays exceptional brilliance, making it an ideal choice for custom rings, pendants,...- $200.00
- $200.00
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1.26 Carats Natural Ruby Oval Mixed Cut
Discover the beauty of this 1.26-carat natural ruby, featuring a rich purplish red color and an elegant oval cut. Measuring 7.68 × 4.55 × 3.60 mm, this loose gemstone offers exceptional brilliance and is accompanied by a GCI certification, making it an excellent choice...- $350.00
- $350.00
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2.32 Carats Oval Cut Natural Greenish Blue Sapphire From Madagascar
Discover the exceptional beauty of this 2.32-carat natural greenish blue sapphire from Madagascar. Expertly cut in a classic oval shape, this untreated loose gemstone measures 8.57 × 7.15 × 4.41 mm and displays a captivating blend of green and blue hues. Certified by the...- $350.00
- $350.00
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1.93 Carats Oval Cut Natural Blue Sapphire
Enhance your jewelry collection with this 1.93-carat natural blue sapphire, beautifully cut in a classic oval shape. Measuring 8.32 × 6.36 × 4.40 mm, this untreated loose gemstone displays a rich blue color and excellent brilliance, making it an ideal choice for custom rings,...- $350.00
- $350.00
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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.



























