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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
Pink 5 mm Gemstones
Purple 5 mm Gemstones
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White 5 mm Gemstones
Yellow 5 mm Gemstones
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1.16ctw Red Pyrope Garnet, Heart, VS

1.16ctw Red Pyrope Garnet, Heart, VS

5 x 5 mm (calibrated)

$ 36.74

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0.34ct Orange Spessartite Garnet, Oval, VS

0.34ct Orange Spessartite Garnet, Oval, VS

4.9 x 3.2 mm

$ 14.28

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0.36ct Orange Sapphire, Pear Shape, VVS-VS

0.36ct Orange Sapphire, Pear Shape, VVS-VS

5.2 x 4 mm

$ 17.93

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0.41ct Yellow Sapphire, Emerald Cut, VS
Sapphire Product Video (740195)

0.41ct Yellow Sapphire, Emerald Cut, VS

5 x 3.2 mm

$ 44.94

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0.69ct Green Sapphire, Heart, VS

0.69ct Green Sapphire, Heart, VS

5 x 5 mm (calibrated)

$ 45.47

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0.65ct Orange Zircon, Oval, VVS

0.65ct Orange Zircon, Oval, VVS

5.2 x 4.2 mm

$ 11.70

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0.78ct Yellow Color-Change Diaspore, Square, VVS-VS

0.78ct Yellow Color-Change Diaspore, Square, VVS-VS

4.9 x 4.6 mm

$ 49.10

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0.64ct Green Sapphire, Heart, VS

0.64ct Green Sapphire, Heart, VS

5 x 5 mm (calibrated)

$ 42.18

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2.21ctw Red Pyrope Garnet, Square, VS

2.21ctw Red Pyrope Garnet, Square, VS

5 x 5 mm (calibrated)

$ 20.42

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0.67ct Green Sapphire, Heart, VS

0.67ct Green Sapphire, Heart, VS

5 x 5 mm (calibrated)

$ 44.16

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1.26ctw Red Pyrope Garnet, Heart, VVS-VS

1.26ctw Red Pyrope Garnet, Heart, VVS-VS

5 x 5 mm (calibrated)

$ 37.80

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0.70ctw Green Sapphire, Oval, VVS-VS

0.70ctw Green Sapphire, Oval, VVS-VS

5 x 4 mm (calibrated)

$ 62.34

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0.50ct Yellow Citrine, Heart, VS

0.50ct Yellow Citrine, Heart, VS

5 x 5 mm (calibrated)

$ 4.20

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9.46ctw Multicolor Labradorite, Square, Translucent

9.46ctw Multicolor Labradorite, Square, Translucent

5 x 4.8 mm

$ 13.24

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1.12ctw Blue Kyanite, Round, SI

1.12ctw Blue Kyanite, Round, SI

5 mm (calibrated)

$ 33.60

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2.99ctw Red Pyrope Garnet, Square, VS

2.99ctw Red Pyrope Garnet, Square, VS

5 x 5 mm (calibrated)

$ 27.62

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0.38ct Orange Sapphire, Pear Shape, VVS-VS

0.38ct Orange Sapphire, Pear Shape, VVS-VS

5.1 x 3.9 mm

$ 68.40

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1.67ctw Green Demantoid Garnet, Oval, VS

1.67ctw Green Demantoid Garnet, Oval, VS

5 x 4 mm (calibrated)

$ 220.44

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0.69ct Green Sapphire, Heart, VS

0.69ct Green Sapphire, Heart, VS

5 x 5 mm (calibrated)

$ 45.47

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0.63ct Purple Spinel, Cushion, VS

0.63ct Purple Spinel, Cushion, VS

4.8 x 4.5 mm

$ 52.92

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1.22ctw Blue Sapphire, Round, VS
Sapphire Product Video (441572)

1.22ctw Blue Sapphire, Round, VS

5 mm (calibrated)

$ 644.16

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1.04ctw White Amethyst, Cushion, Transparent

1.04ctw White Amethyst, Cushion, Transparent

5 x 5 mm (calibrated)

$ 8.74

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0.56ct Orange Spessartite Garnet, Oval, VS-SI

0.56ct Orange Spessartite Garnet, Oval, VS-SI

5.2 x 4.3 mm

$ 23.52

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0.49ct Pink Sapphire, Oval, VS

0.49ct Pink Sapphire, Oval, VS

5.1 x 4.2 mm

$ 58.80

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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

Filters need to be improved but rest of website is great

Posted By Rock hound in December, 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
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Overall Rating -> 10 star ratings

I loved it! Extensive inventory, great prices, I definitely will be buying from here again!

Posted By Lex in April, 2026
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Overall Rating -> 10 star ratings

Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.

Posted By Sal in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All good

Posted By DouscheGift in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate
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