5 mm Gemstones for Jewelry
Browse our selection of precisely calibrated 5 mm gemstones, ideal for consistent and professional jewelry designs.
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Bi-color
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Black 5 mm Gemstones
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Blue 5 mm Gemstones
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Brown 5 mm Gemstones
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Golden
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Gray 5 mm Gemstones
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Green 5 mm Gemstones
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Multicolor 5 mm Gemstones
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Orange 5 mm Gemstones
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Pink 5 mm Gemstones
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Purple 5 mm Gemstones
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Red 5 mm Gemstones
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Turquoise 5 mm Gemstones
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Violet 5 mm Gemstones
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White 5 mm Gemstones
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Yellow 5 mm Gemstones
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Single |
Pairs |
Lots |
Faceted |
Cabochons |
1.27ctw Red Pyrope Garnet, Heart, VS
5 x 5 mm (calibrated)
$ 31.62
1.01ctw Red Pyrope Garnet, Heart, VVS-VS
5 x 5 mm (calibrated)
$ 8.05
0.33ct Green Kornerupine, Oval, VS-SI
5.1 x 3.6 mm
$ 28.27
3.93ctw Pink Sapphire, Pear Shape, VVS-VS
5 x 3 mm (calibrated)
$ 254.82
0.68ct Green Tourmaline, Round, Translucent
5 mm (calibrated)
$ 10.38
0.58ct Blue Sapphire, Round, VVS-VS
5 mm (calibrated)
$ 317.72
0.62ct Green Sapphire, Heart, VS
5 x 5 mm (calibrated)
$ 33.91
0.65ct Pink Tourmaline, Round, Transparent
5 mm (calibrated)
$ 25.90
0.57ct Yellow Citrine, Cushion, Transparent
5 x 5 mm (calibrated)
$ 4.26
0.65ct Green Sapphire, Heart, VS
5 x 5 mm (calibrated)
$ 35.56
0.35ct Pink Morganite, Round, VS
5 mm (calibrated)
$ 14.53
0.27ct Green Kornerupine, Baguette, VS
5.1 x 2.8 mm
$ 23.12
0.27ct Blue Iolite, Emerald Cut, VS-SI
5 x 3 mm (calibrated)
$ 10.76
1.73ctw Blue Tanzanite, Pear Shape, VS
5 x 3 mm (calibrated)
$ 66.34
1.34ctw Red Pyrope Garnet, Square, VS
5 x 5 mm (calibrated)
$ 10.28
0.57ct Yellow Citrine, Cushion, Transparent
5 x 5 mm (calibrated)
$ 4.26
1.70ctw Blue Apatite, Oval, VS
5.2 x 4 mm
$ 37.35
0.26ct Violet Iolite, Baguette, VS-SI
5 x 3 mm (calibrated)
$ 10.36
1.98ctw Blue Tanzanite, Pear Shape, VS
5.2 x 3.1 mm
$ 75.93
0.41ct Yellow Citrine, Heart, VVS
5 x 5 mm (calibrated)
$ 3.27
2.37ctw Blue Tanzanite, Pear Shape, VS
5.1 x 3.2 mm
$ 116.85
0.88ct Orange Hessonite Garnet, Square, VS
5 x 5 mm (calibrated)
$ 15.36
0.33ct Blue Tanzanite, Pear Shape, VS
5.2 x 3.9 mm
$ 19.72
1.53ctw White Rainbow Moonstone, Pear Shape, Transparent
5 x 5 mm (calibrated)
$ 28.49
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Why Buy 5 Mm Gemstones from GemSelect?
- Trusted Worldwide Since 2003
- Supplying natural gemstones to jewelers and collectors in 120+ countries
- Verified natural gemstones
- View All GemSelect Reviews on Bizrate
- Secure checkout and insured worldwide delivery
- 30-day returns and satisfaction guarantee
Precision Cut 5 mm Gemstones
Our 5 mm gemstones are expertly cut to precise dimensions, making them ideal for standardized jewelry settings such as rings, earrings, and bracelets.
Shop 5mm Loose Gemstones Online
Discover a wide range of 5mm loose gemstones available in many varieties, colors, and shapes, all ready for immediate shipment worldwide.
Perfect Size for Jewelry Settings
The 5 mm size is one of the most popular choices for jewelry, offering a balance between visibility and wearability for rings, studs, and pendants.
Wide Variety of Gemstone Types
Choose from sapphires, garnets, amethyst, citrine, peridot, and many other gemstones, all available in calibrated 5 mm sizes.
Faceted and Cabochon Options
Our 5 mm gemstones are available in both faceted cuts for maximum brilliance and cabochon finishes for a smooth, classic appearance.
Calibrated Gemstones for Easy Setting
Calibrated 5mm gemstones ensure a consistent fit in pre-made jewelry mounts, saving time and ensuring professional results for jewelers.
Natural and Certified Gemstones
All our gemstones are natural and carefully sourced, with full disclosure of any treatments to ensure transparency and trust.
Wholesale 5 mm Gemstones
We offer competitive pricing for bulk purchases, making our 5 mm gemstones an excellent choice for jewelry manufacturers and resellers.
Learn more about gemstone cuts, sizes, and quality on our Gemstone Cut Information Page.
FAQs
What does 5 mm mean in gemstones?
5 mm refers to the diameter or size of the gemstone, commonly used for round stones, making it a standardized size for jewelry settings.
Are 5 mm gemstones considered large?
5 mm gemstones are considered medium-sized, offering a noticeable presence while remaining comfortable for everyday wear.
Are 5mm gemstones calibrated?
Yes, most 5mm gemstones are precision-cut to calibrated sizes, ensuring they fit standard jewelry mounts without adjustment.
Which gemstones are available in 5 mm size?
Many gemstones are available in 5 mm, including sapphire, ruby, garnet, amethyst, citrine, peridot, and more.
Can I use 5 mm gemstones for engagement rings?
Yes, 5 mm gemstones are a popular choice for engagement rings, especially for those seeking a balanced and practical stone size.
Do 5 mm gemstones work with standard settings?
Yes, calibrated 5 mm gemstones are designed to fit standard jewelry settings, making them easy to use in pre-made mounts.
Are your 5 mm gemstones natural?
All our gemstones are natural, with any treatments clearly disclosed to maintain transparency and customer confidence.
GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 10 
I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.
Overall Rating -> 10
I was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.
Overall Rating -> 10
Good selection, using for custom jewlery for my wife.
Overall Rating -> 10
Filters need to be improved but rest of website is great
Overall Rating -> 9 
The purchasing process is fairly quick and straightforward and for me user friendly so it probably took more or less than 3 minutes to purchase and pay for the items. I wish there was a discount offer for multiple items to encourage us buyers to purchase more an incentive and add more sales in your end. Besides that, it's been a great purchasing experience and will continue to shop as I am a repeat customer and have bought from your store many times before. Thank you.
Overall Rating -> 8 
First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.
