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5 mm Gemstones for Jewelry

Browse our selection of precisely calibrated 5 mm gemstones, ideal for consistent and professional jewelry designs.

5 mm Gemstones Weight
5 mm Gemstones Size
5 mm Gemstones Clarity
5 mm Gemstones Price
5 mm Gemstones Treatment

Size Explained

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For Example: 6-7
For Example: 8-9
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Black 5 mm Gemstones
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Orange 5 mm Gemstones
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0.36ct Yellow Citrine, Heart, VVS

0.36ct Yellow Citrine, Heart, VVS

5 x 5 mm (calibrated)

$ 3.46

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1.67ctw Red Rhodolite Garnet, Square, VS

1.67ctw Red Rhodolite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 17.60

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1.18ct Orange Hessonite Garnet, Square, VS

1.18ct Orange Hessonite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 22.56

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1.77ctw Red Pyrope Garnet, Square, VVS-VS

1.77ctw Red Pyrope Garnet, Square, VVS-VS

5 x 5 mm (calibrated)

$ 16.36

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0.38ct Orange Sapphire, Pear Shape, VVS-VS
Sapphire Product Video (536893)

0.38ct Orange Sapphire, Pear Shape, VVS-VS

5 x 4 mm (calibrated)

$ 19.65

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2.92ctw Yellow Sapphire, Round, VVS-VS

2.92ctw Yellow Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 191.52

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1.54ctw Red Pyrope Garnet, Square, VS

1.54ctw Red Pyrope Garnet, Square, VS

5 x 5 mm (calibrated)

$ 14.23

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0.48ct Blue Sapphire, Heart, VS

0.48ct Blue Sapphire, Heart, VS

5 x 5 mm (calibrated)

$ 40.32

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2.71ctw Blue Tanzanite, Pear Shape, VS

2.71ctw Blue Tanzanite, Pear Shape, VS

5.1 x 3.2 mm

$ 113.82

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1.25ctw Orange Sapphire, Round, VVS-VS

1.25ctw Orange Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 99.08

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0.55ct Orange Sapphire, Emerald Cut, VVS

0.55ct Orange Sapphire, Emerald Cut, VVS

4.9 x 3.9 mm

$ 36.00

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1.38ctw Red Rhodolite Garnet, Square, VS

1.38ctw Red Rhodolite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 14.56

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1.09ctw Red Pyrope Garnet, Heart, VS

1.09ctw Red Pyrope Garnet, Heart, VS

5 x 5 mm (calibrated)

$ 34.54

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1.08ct Orange Hessonite Garnet, Square, VS-SI

1.08ct Orange Hessonite Garnet, Square, VS-SI

5 x 5 mm (calibrated)

$ 22.70

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1.42ctw Red Pyrope Garnet, Square, VS

1.42ctw Red Pyrope Garnet, Square, VS

5 x 5 mm (calibrated)

$ 13.12

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0.89ct Blue Sapphire, Cushion, VS

0.89ct Blue Sapphire, Cushion, VS

5 x 5 mm (calibrated)

$ 85.44

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2.35ctw Blue Tanzanite, Pear Shape, VS

2.35ctw Blue Tanzanite, Pear Shape, VS

5.1 x 3.2 mm

$ 108.58

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1.50ctw Red Rhodolite Garnet, Square, VS

1.50ctw Red Rhodolite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 15.82

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0.40ct White Zircon, Oval, VVS

0.40ct White Zircon, Oval, VVS

5.1 x 3.1 mm

$ 23.52

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0.39ct Orange Sapphire, Heart, VVS

0.39ct Orange Sapphire, Heart, VVS

4.8 x 4.6 mm

$ 29.02

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0.52ct Blue Sapphire, Heart, VS

0.52ct Blue Sapphire, Heart, VS

5 x 5 mm (calibrated)

$ 43.68

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1.50ctw Red Pyrope Garnet, Square, VVS-VS

1.50ctw Red Pyrope Garnet, Square, VVS-VS

5 x 5 mm (calibrated)

$ 13.86

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0.60ct Orange Zircon, Oval, VVS

0.60ct Orange Zircon, Oval, VVS

5 x 4 mm (calibrated)

$ 10.80

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0.41ct Blue Tanzanite, Pear Shape, VVS-VS

0.41ct Blue Tanzanite, Pear Shape, VVS-VS

5 x 4 mm (calibrated)

$ 29.52

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Why Buy 5 Mm Gemstones from GemSelect?

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 star ratings

Over pretty well experience the your website no complaints about it very easy reliable service provided

Posted By Blas in January, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

They have literally everything on this website! The prices are also pretty good, I was able to find plenty of nice stones that I could afford!

Posted By JC in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I could see the actual gem I was buying

Posted By Bugs in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Took a chance on purchasing my gemstones from Gemselect and was impressed. 10/10

Posted By KT in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.

Posted By Fried Rice in August, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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