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 5 mm Gemstones
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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 |
0.46ct Orange Spessartite Garnet, Oval, VS-SI
5.1 x 4.1 mm
$ 16.04
0.49ct Orange Sphalerite, Trillion, SI-I1
4.8 x 4.6 mm
$ 24.40
1.52ctw Blue Apatite, Oval, VS-SI
5 x 4 mm (calibrated)
$ 31.42
1.76ctw Blue Tanzanite, Pear Shape, VS
5 x 3 mm (calibrated)
$ 86.77
0.74ct Green Tourmaline, Emerald Cut, VVS-VS
4.9 x 4.8 mm
$ 36.85
1.58ctw Red Rhodolite Garnet, Square, VS
5 x 5 mm (calibrated)
$ 13.83
2.27ctw Green Peridot, Round, VVS-VS
5 mm (calibrated)
$ 37.31
0.60ct Purple Spinel, Cushion, VVS-VS
5 x 4 mm (calibrated)
$ 41.83
0.27ct Violet Iolite, Emerald Cut, VS
5 x 3 mm (calibrated)
$ 10.76
0.34ctw Yellow Sapphire, Marquise, VS
5.1 x 2.6 mm
$ 23.30
0.59ct Blue Sapphire, Round, VVS
5 mm (calibrated)
$ 351.21
0.68ct Green Sphene, Cushion, SI
5 x 4.7 mm
$ 29.80
2.60ctw Red Rhodolite Garnet, Square, VS
5 x 5 mm (calibrated)
$ 22.76
0.41ct Pink Tourmaline, Round, Transparent
5 mm (calibrated)
$ 16.33
0.44ct Yellow Citrine, Heart, VVS-VS
5 x 5 mm (calibrated)
$ 3.50
0.56ct Pink Tourmaline, Round, Transparent
5 mm (calibrated)
$ 18.59
1.98ctw Blue Apatite, Oval, VS
5 x 4 mm (calibrated)
$ 43.49
0.63ct Yellow Sapphire, Round, VVS-VS
5 mm (calibrated)
$ 40.32
0.63ct Yellow Spessartite Garnet, Oval, VS
5.1 x 4.1 mm
$ 20.92
0.55ct Pink Spinel, Cushion, VVS-VS
4.9 x 4.5 mm
$ 38.35
0.45ct Yellow Citrine, Cushion, Transparent
5 x 5 mm (calibrated)
$ 3.36
0.62ct Blue Sapphire, Round, VS
5 mm (calibrated)
$ 369.07
1.89ctw Blue Tanzanite, Pear Shape, VS
5 x 3 mm (calibrated)
$ 72.48
0.49ct Orange Spessartite Garnet, Oval, VS
5 x 4 mm (calibrated)
$ 17.08
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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 -> 8 
Good prices
Overall Rating -> 10 
Found a rock that met my need. Bought it!
Overall Rating -> 10
Love how easy the site is to use. Really love that the pictures are of actual product.
Overall Rating -> 10
My whole experience is great.
Overall Rating -> 10
overall great
Overall Rating -> 10
Although the stones are smaller than I thought, I really don't think in millimeters, they are perfect. I plan to put one into a ring and the other into a necklace. Ordering was easy, contact kept me aware of how shipping was going, and delivery was sooner than expected. The quality of stones I have ordered in the past and this recent order is outstanding and stones I will be proud to wear.
