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Home › Gemstones › Gemstones By Size › 5 mm Gemstones

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
Blue 5 mm Gemstones
Brown 5 mm Gemstones
Golden 5 mm Gemstones
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
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1.60ctw Blue Apatite, Oval, VS

1.60ctw Blue Apatite, Oval, VS

5 x 4 mm (calibrated)

$ 35.15

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0.50ct Yellow Spessartite Garnet, Oval, VS

0.50ct Yellow Spessartite Garnet, Oval, VS

5 x 4 mm (calibrated)

$ 14.94

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0.55ct Blue Sapphire, Heart, VS

0.55ct Blue Sapphire, Heart, VS

4.9 x 4.7 mm

$ 38.35

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3.23ctw Purple Rhodolite Garnet, Round, VS

3.23ctw Purple Rhodolite Garnet, Round, VS

5 mm (calibrated)

$ 70.77

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0.41ct Yellow Color-Change Diaspore, Oval, VS

0.41ct Yellow Color-Change Diaspore, Oval, VS

5 x 4 mm (calibrated)

$ 21.65

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0.85ctw Green Sapphire, Oval, VS

0.85ctw Green Sapphire, Oval, VS

5 x 4 mm (calibrated)

$ 62.84

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2.85ctw Orange Sapphire, Round, VVS-VS

2.85ctw Orange Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 187.50

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0.50ct Red Pyrope Garnet, Heart, VVS-VS

0.50ct Red Pyrope Garnet, Heart, VVS-VS

5 x 5 mm (calibrated)

$ 12.45

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1.29ctw Yellow Sapphire, Round, VVS-VS

1.29ctw Yellow Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 82.56

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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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3.14ctw White Rainbow Moonstone, Pear Shape, Transparent

3.14ctw White Rainbow Moonstone, Pear Shape, Transparent

5 x 5 mm (calibrated)

$ 68.81

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0.53ct Orange Spessartite Garnet, Oval, VS

0.53ct Orange Spessartite Garnet, Oval, VS

5 x 4 mm (calibrated)

$ 18.48

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0.89ct Blue Sapphire, Cushion, VS

0.89ct Blue Sapphire, Cushion, VS

5 x 5 mm (calibrated)

$ 70.92

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0.40ct Green Emerald, Oval, VS-SI

0.40ct Green Emerald, Oval, VS-SI

5.2 x 4.1 mm

$ 39.84

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0.58ct Red Pyrope Garnet, Heart, VS

0.58ct Red Pyrope Garnet, Heart, VS

5 x 5 mm (calibrated)

$ 4.62

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2.18ctw Orange Sapphire, Round, VVS-VS

2.18ctw Orange Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 143.42

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3.00ctw Red Pyrope Garnet, Square, VS

3.00ctw Red Pyrope Garnet, Square, VS

5 x 5 mm (calibrated)

$ 23.01

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1.54ctw Red Rhodolite Garnet, Square, VS

1.54ctw Red Rhodolite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 13.48

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0.83ctw Pink Sapphire, Oval, VS

0.83ctw Pink Sapphire, Oval, VS

5 x 4 mm (calibrated)

$ 72.25

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0.64ct Red Ruby, Round, VS-SI

0.64ct Red Ruby, Round, VS-SI

5 mm (calibrated)

$ 205.79

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0.65ctw White Zircon, Oval, VVS

0.65ctw White Zircon, Oval, VVS

5 x 3 mm (calibrated)

$ 31.72

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0.38ct Yellow Sapphire, Emerald Cut, VVS

0.38ct Yellow Sapphire, Emerald Cut, VVS

5.1 x 3.2 mm

$ 17.21

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0.30ct Violet Iolite, Baguette, VS-SI

0.30ct Violet Iolite, Baguette, VS-SI

5 x 3 mm (calibrated)

$ 11.95

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0.71ct Orange Tourmaline, Round, Transparent

0.71ct Orange Tourmaline, Round, Transparent

5 mm (calibrated)

$ 28.29

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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 was able to find what I wanted very easily!

Posted By Lenny in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.

Posted By Debsarabs in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Very neat and to the point

Posted By Botha in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection. Maybe too great i kept adding and deleting stuff because i found better looking ones

Posted By Edsor works in October, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was great!

Posted By Annie in September, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

The website was easy to use and there were a lot of good options, I was satisfied.

Posted By Brielly in January, 2026
Source: Bizrate
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