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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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Green 5 mm Gemstones
Multicolor 5 mm Gemstones
Orange 5 mm Gemstones
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Purple 5 mm Gemstones
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White 5 mm Gemstones
Yellow 5 mm Gemstones
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1.44ctw Red Pyrope Garnet, Square, VS

1.44ctw Red Pyrope Garnet, Square, VS

5 x 5 mm (calibrated)

$ 13.31

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1.64ctw Red Pyrope Garnet, Square, VVS

1.64ctw Red Pyrope Garnet, Square, VVS

5 x 5 mm (calibrated)

$ 15.16

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0.59ct Purple Sapphire, Round, VS

0.59ct Purple Sapphire, Round, VS

5 mm (calibrated)

$ 233.64

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0.20ct Yellow Sapphire, Marquise, VVS-VS
Sapphire Product Video (508819)

0.20ct Yellow Sapphire, Marquise, VVS-VS

5.1 x 2.4 mm

$ 5.73

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1.52ctw Green Demantoid Garnet, Oval, VS

1.52ctw Green Demantoid Garnet, Oval, VS

5 x 4 mm (calibrated)

$ 200.64

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0.72ct Purple Spinel, Cushion, VS

0.72ct Purple Spinel, Cushion, VS

4.9 x 4.4 mm

$ 60.48

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1.12ctw Gray Moonstone, Round, Translucent

1.12ctw Gray Moonstone, Round, Translucent

5 mm (calibrated)

$ 6.72

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1.58ctw White Zircon, Round, VVS-VS

1.58ctw White Zircon, Round, VVS-VS

5 mm (calibrated)

$ 56.32

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0.34ctw Yellow Sapphire, Marquise, VS

0.34ctw Yellow Sapphire, Marquise, VS

5 x 2.5 mm (calibrated)

$ 28.07

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0.43ct Green Sapphire, Oval, VS

0.43ct Green Sapphire, Oval, VS

5 x 4 mm (calibrated)

$ 38.29

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2.63ctw Multicolor Sapphire, Briolette, VS

2.63ctw Multicolor Sapphire, Briolette, VS

5.2 x 3.7 mm

$ 86.79

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0.53ct Yellow Citrine, Cushion, VS

0.53ct Yellow Citrine, Cushion, VS

5 x 5 mm (calibrated)

$ 4.77

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0.41ct Green Sapphire, Oval, VS

0.41ct Green Sapphire, Oval, VS

5 x 4 mm (calibrated)

$ 36.52

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0.64ct Blue Kyanite, Round, VS-SI

0.64ct Blue Kyanite, Round, VS-SI

5 mm (calibrated)

$ 15.36

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0.61ct Green Sapphire, Round, VS

0.61ct Green Sapphire, Round, VS

5 mm (calibrated)

$ 43.92

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4.13ctw Purple Rhodolite Garnet, Oval, VS

4.13ctw Purple Rhodolite Garnet, Oval, VS

5 x 4 mm (calibrated)

$ 53.81

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0.37ct Orange Sapphire, Pear Shape, VS

0.37ct Orange Sapphire, Pear Shape, VS

5.2 x 4.1 mm

$ 66.60

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0.54ct Yellow Citrine, Cushion, VS

0.54ct Yellow Citrine, Cushion, VS

5 x 5 mm (calibrated)

$ 4.54

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0.63ctw Blue Tanzanite, Pear Shape, VS

0.63ctw Blue Tanzanite, Pear Shape, VS

5 x 4 mm (calibrated)

$ 45.36

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2.20ctw Blue Apatite, Oval, VS

2.20ctw Blue Apatite, Oval, VS

5 x 4 mm (calibrated)

$ 58.22

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0.34ct Blue Tanzanite, Pear Shape, VS

0.34ct Blue Tanzanite, Pear Shape, VS

5 x 4 mm (calibrated)

$ 24.48

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1.39ctw Red Rhodolite Garnet, Square, VS

1.39ctw Red Rhodolite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 14.66

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0.42ct Orange Sapphire, Pear Shape, VVS-VS

0.42ct Orange Sapphire, Pear Shape, VVS-VS

4.9 x 3.8 mm

$ 28.22

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0.44ct Yellow Color-Change Diaspore, Oval, VVS

0.44ct Yellow Color-Change Diaspore, Oval, VVS

5 x 4 mm (calibrated)

$ 27.98

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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 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

I can pick and choose from large selection and find just what I need for .y projects, currently my cane.

Posted By Darkstar731 in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection prices are reasonable!

Posted By ToRa62 in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Filters need to be improved but rest of website is great

Posted By Rock hound in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I wanted very easily!

Posted By Lenny in January, 2026
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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