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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
Bi-color
Black 5 mm Gemstones
Blue 5 mm Gemstones
Brown 5 mm Gemstones
Golden
Gray 5 mm Gemstones
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
Faceted
Cabochons
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0.49ct Pink Tourmaline, Round, Transparent

0.49ct Pink Tourmaline, Round, Transparent

5 mm (calibrated)

$ 19.52

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0.43ct Yellow Citrine, Heart, VVS

0.43ct Yellow Citrine, Heart, VVS

5 x 5 mm (calibrated)

$ 3.43

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0.57ct Orange Spessartite Garnet, Oval, VS-SI

0.57ct Orange Spessartite Garnet, Oval, VS-SI

5.1 x 4.3 mm

$ 19.87

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0.48ct Yellow Citrine, Heart, VS

0.48ct Yellow Citrine, Heart, VS

5 x 5 mm (calibrated)

$ 3.34

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2.47ctw Yellow Sapphire, Round, VVS-VS

2.47ctw Yellow Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 162.50

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0.54ct Green Sphene, Cushion, VS
Sphene Product Video (639872)

0.54ct Green Sphene, Cushion, VS

5 x 4 mm (calibrated)

$ 23.66

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0.60ct Yellow Sapphire, Round, VS

0.60ct Yellow Sapphire, Round, VS

5 mm (calibrated)

$ 33.62

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0.36ct Blue Tanzanite, Pear Shape, VS

0.36ct Blue Tanzanite, Pear Shape, VS

5 x 4 mm (calibrated)

$ 21.51

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0.77ct Blue Kyanite, Round, SI

0.77ct Blue Kyanite, Round, SI

5 mm (calibrated)

$ 19.17

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0.87ct Multicolor Sapphire, Cushion, VS

0.87ct Multicolor Sapphire, Cushion, VS

5 x 5 mm (calibrated)

$ 69.32

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0.64ct Blue Sapphire, Round, VS
Sapphire Product Video (449826)

0.64ct Blue Sapphire, Round, VS

5 mm (calibrated)

$ 380.96

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1.57ctw Red Pyrope Garnet, Square, VS

1.57ctw Red Pyrope Garnet, Square, VS

5 x 5 mm (calibrated)

$ 12.04

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2.46ctw Red Pyrope Garnet, Square, VS

2.46ctw Red Pyrope Garnet, Square, VS

5 x 5 mm (calibrated)

$ 18.87

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0.91ct Orange Hessonite Garnet, Square, VS

0.91ct Orange Hessonite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 15.89

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2.61ctw Orange Spessartite Garnet, Round, VS

2.61ctw Orange Spessartite Garnet, Round, VS

5 mm (calibrated)

$ 88.64

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0.93ct Orange Hessonite Garnet, Cushion, SI

0.93ct Orange Hessonite Garnet, Cushion, SI

5 x 5 mm (calibrated)

$ 18.33

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1.76ctw Blue Tanzanite, Pear Shape, VS

1.76ctw Blue Tanzanite, Pear Shape, VS

5 x 3 mm (calibrated)

$ 67.49

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0.73ctw Yellow Color-Change Diaspore, Cushion, VS

0.73ctw Yellow Color-Change Diaspore, Cushion, VS

5 x 4.2 mm

$ 38.54

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4.46ctw Orange Sapphire, Pear Shape, VVS-VS

4.46ctw Orange Sapphire, Pear Shape, VVS-VS

5.1 x 3.2 mm

$ 112.39

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1.18ctw Blue Sapphire, Round, VS
Sapphire Product Video (441523)

1.18ctw Blue Sapphire, Round, VS

5 mm (calibrated)

$ 517.12

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4.85ctw Purple Rhodolite Garnet, Trillion, VS
Rhodolite Garnet Product Video (424060)

4.85ctw Purple Rhodolite Garnet, Trillion, VS

5 x 5 mm (calibrated)

$ 42.51

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0.42ct Orange Sapphire, Pear Shape, VVS-VS

0.42ct Orange Sapphire, Pear Shape, VVS-VS

5 x 4 mm (calibrated)

$ 62.75

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0.31ct Violet Amethyst, Emerald Cut, VS

0.31ct Violet Amethyst, Emerald Cut, VS

5 x 3 mm (calibrated)

$ 1.80

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0.24ct Violet Iolite, Emerald Cut, SI

0.24ct Violet Iolite, Emerald Cut, SI

5 x 3 mm (calibrated)

$ 9.56

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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

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

It was good. There was a large selection at prices I could afford.

Posted By Zorah in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.

Posted By Atsuhisa in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I love the product and the details about each of them.

Posted By Love It! in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love how easy the site is to use. Really love that the pictures are of actual product.

Posted By LeAnn in January, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly

Posted By Ron T in November, 2025
Source: Bizrate
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