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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

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
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Black 5 mm Gemstones
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Green 5 mm Gemstones
Multicolor 5 mm Gemstones
Orange 5 mm Gemstones
Pink 5 mm Gemstones
Purple 5 mm Gemstones
Red 5 mm Gemstones
Turquoise 5 mm Gemstones
Violet 5 mm Gemstones
White 5 mm Gemstones
Yellow 5 mm Gemstones
Single
Pairs
Lots
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1.96ctw Multicolor Sapphire, Briolette, VS

1.96ctw Multicolor Sapphire, Briolette, VS

5 x 3 mm (calibrated)

$ 176.88

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0.53ct Orange Spessartite Garnet, Oval, VS-SI

0.53ct Orange Spessartite Garnet, Oval, VS-SI

5 x 4 mm (calibrated)

$ 22.26

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0.67ct Purple Spinel, Round, VVS-VS

0.67ct Purple Spinel, Round, VVS-VS

5 mm (calibrated)

$ 42.34

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0.81ct Green Sapphire, Cushion, VVS

0.81ct Green Sapphire, Cushion, VVS

5 x 5 mm (calibrated)

$ 77.76

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0.42ct Yellow Sapphire, Baguette, VS

0.42ct Yellow Sapphire, Baguette, VS

5.2 x 3.2 mm

$ 33.05

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0.50ct Orange Sphalerite, Oval, SI

0.50ct Orange Sphalerite, Oval, SI

5 x 4 mm (calibrated)

$ 30.00

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3.03ctw Blue Topaz, Oval, VS

3.03ctw Blue Topaz, Oval, VS

5 x 3 mm (calibrated)

$ 19.96

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3.04ctw Red Rhodolite Garnet, Square, VS

3.04ctw Red Rhodolite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 32.06

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0.65ct Blue Sapphire, Round, VVS-VS
Sapphire Product Video (467305)

0.65ct Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 399.66

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1.00ct Orange Hessonite Garnet, Square, VS

1.00ct Orange Hessonite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 21.02

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0.49ct Pink Tourmaline, Round, Transparent

0.49ct Pink Tourmaline, Round, Transparent

5 mm (calibrated)

$ 23.52

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0.48ct Pink Spinel, Cushion, VVS-VS

0.48ct Pink Spinel, Cushion, VVS-VS

5.2 x 4 mm

$ 40.32

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0.51ct Yellow Chrysoberyl Cat's Eye, Oval, Translucent

0.51ct Yellow Chrysoberyl Cat's Eye, Oval, Translucent

5.2 x 4.1 mm

$ 18.36

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0.55ctw Pink Sapphire, Oval, VS

0.55ctw Pink Sapphire, Oval, VS

5 x 3.1 mm

$ 57.76

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2.82ctw Green Peridot, Round, VVS-VS

2.82ctw Green Peridot, Round, VVS-VS

5 mm (calibrated)

$ 50.76

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0.43ct Green Sapphire, Emerald Cut, VS

0.43ct Green Sapphire, Emerald Cut, VS

5.2 x 3.3 mm

$ 49.02

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0.28ct Orange Spessartite Garnet, Oval, VS-SI

0.28ct Orange Spessartite Garnet, Oval, VS-SI

5 x 3 mm (calibrated)

$ 11.76

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0.50ct Orange Spessartite Garnet, Pear Shape, VS

0.50ct Orange Spessartite Garnet, Pear Shape, VS

5 x 4 mm (calibrated)

$ 21.00

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2.42ctw Yellow Sapphire, Round, VVS-VS

2.42ctw Yellow Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 191.82

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1.24ctw Blue Apatite, Oval, VS

1.24ctw Blue Apatite, Oval, VS

5 x 3.9 mm

$ 32.82

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0.51ct Orange Sphalerite, Oval, SI

0.51ct Orange Sphalerite, Oval, SI

4.8 x 4.1 mm

$ 30.60

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0.56ct Purple Spinel, Round, VS

0.56ct Purple Spinel, Round, VS

5 mm (calibrated)

$ 35.39

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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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1.57ctw Red Pyrope Garnet, Square, VVS-VS

1.57ctw Red Pyrope Garnet, Square, VVS-VS

5 x 5 mm (calibrated)

$ 14.51

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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

I am filling a small treasure chest and picked a nice amethyst.

Posted By VinnyD in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It's mostly good, only some item's are easier to find through the search than the menu

Posted By Wayne in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great website, easy to navigate, and loads quickly. Have bought here before, very pleased!

Posted By SallyO in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good

Posted By Niska in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

If you have motion picture, then I will be more satisfied with.

Posted By Ray in November, 2025
Source: Bizrate
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