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 |
2.52ctw Blue Tanzanite, Pear Shape, VS
5.2 x 3.1 mm
$ 96.63
0.40ct Pink Morganite, Round, VS
5 mm (calibrated)
$ 17.93
1.36ctw Red Rhodolite Garnet, Square, VS
5 x 5 mm (calibrated)
$ 11.91
0.38ct Yellow Citrine, Heart, VS
5 x 5 mm (calibrated)
$ 2.65
1.15ctw Brown Moonstone, Round, Translucent
5 mm (calibrated)
$ 6.31
0.66ct Pink Tourmaline, Round, Transparent
5 mm (calibrated)
$ 13.70
1.60ctw Red Rhodolite Garnet, Square, VS
5 x 5 mm (calibrated)
$ 14.00
0.26ct Violet Iolite, Baguette, VS
5 x 3 mm (calibrated)
$ 10.36
0.37ct Blue Tanzanite, Pear Shape, VS
5 x 4 mm (calibrated)
$ 22.11
1.74ctw Blue Tanzanite, Pear Shape, VS
5 x 4 mm (calibrated)
$ 66.72
1.62ctw Red Pyrope Garnet, Square, VS
5 x 5 mm (calibrated)
$ 12.42
0.91ct Orange Hessonite Garnet, Square, VS
5 x 5 mm (calibrated)
$ 15.89
0.45ct Orange Spessartite Garnet, Oval, VS
5 x 4 mm (calibrated)
$ 15.69
0.55ct Pink Spinel, Cushion, VVS-VS
5.2 x 4.1 mm
$ 38.35
0.65ct Red Pyrope Garnet, Heart, VS
5 x 5 mm (calibrated)
$ 16.19
0.95ct Orange Hessonite Garnet, Cushion, SI
5 x 5 mm (calibrated)
$ 18.73
0.60ct Yellow Spessartite Garnet, Oval, VS-SI
5.1 x 4.2 mm
$ 19.92
1.96ctw Multicolor Opal, Round, Transparent
5 mm (calibrated)
$ 45.77
0.30ct Violet Iolite, Baguette, VS
5 x 3 mm (calibrated)
$ 11.95
2.04ctw Green Demantoid Garnet, Oval, VS-SI
5 x 4 mm (calibrated)
$ 223.50
0.62ct Multicolor Sapphire, Trillion, VS
5 x 5 mm (calibrated)
$ 49.40
2.60ctw Red Rhodolite Garnet, Square, VS
5 x 5 mm (calibrated)
$ 22.76
0.80ct Multicolor Sapphire, Cushion, VS
5 x 5 mm (calibrated)
$ 63.74
0.46ct Green Sapphire, Emerald Cut, VS
5.2 x 3.2 mm
$ 43.53
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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 -> 9 
It was great!
Overall Rating -> 10 
Very good.
Overall Rating -> 10
The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.
Overall Rating -> 10
IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.
Overall Rating -> 10
I liked the selection of gems, and price. I did not like your PayPal process. I already have a PP account and you want me to sign up for another.
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.
