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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
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
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0.67ct Orange Sapphire, Trillion, VVS-VS
Sapphire Product Video (530503)

0.67ct Orange Sapphire, Trillion, VVS-VS

5 x 5 mm (calibrated)

$ 21.33

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0.56ct Blue Sapphire, Round, VS
Sapphire Product Video (449746)

0.56ct Blue Sapphire, Round, VS

5 mm (calibrated)

$ 333.35

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0.41ct Pink Morganite, Round, VS

0.41ct Pink Morganite, Round, VS

5 mm (calibrated)

$ 18.38

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1.33ctw Red Pyrope Garnet, Square, VS

1.33ctw Red Pyrope Garnet, Square, VS

5 x 5 mm (calibrated)

$ 10.20

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2.60ctw Green Peridot, Square, VS

2.60ctw Green Peridot, Square, VS

5 x 5 mm (calibrated)

$ 28.49

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1.78ctw Blue Apatite, Oval, Transparent

1.78ctw Blue Apatite, Oval, Transparent

5.2 x 4.3 mm

$ 29.25

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0.41ct Blue Aquamarine, Round, VVS-VS

0.41ct Blue Aquamarine, Round, VVS-VS

5 mm (calibrated)

$ 57.17

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0.58ct Pink Sapphire, Round, VS
Sapphire Product Video (627624)

0.58ct Pink Sapphire, Round, VS

5 mm (calibrated)

$ 253.15

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1.36ctw Red Pyrope Garnet, Square, VVS-VS

1.36ctw Red Pyrope Garnet, Square, VVS-VS

5 x 5 mm (calibrated)

$ 10.42

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0.64ct Yellow Zircon, Oval, VVS-VS

0.64ct Yellow Zircon, Oval, VVS-VS

5 x 4 mm (calibrated)

$ 9.56

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0.38ct Red Ruby, Oval, VS

0.38ct Red Ruby, Oval, VS

5 x 3.8 mm

$ 105.97

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0.66ct Green Tourmaline, Round, Transparent

0.66ct Green Tourmaline, Round, Transparent

5 mm (calibrated)

$ 13.70

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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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0.49ct Yellow Sapphire, Emerald Cut, VVS-VS

0.49ct Yellow Sapphire, Emerald Cut, VVS-VS

5 x 4 mm (calibrated)

$ 26.63

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0.61ct Green Sapphire, Heart, VS

0.61ct Green Sapphire, Heart, VS

5 x 5 mm (calibrated)

$ 33.37

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0.58ct Orange Spessartite Garnet, Oval, VS-SI

0.58ct Orange Spessartite Garnet, Oval, VS-SI

5.1 x 4.3 mm

$ 20.22

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0.39ct Orange Spessartite Garnet, Oval, VS

0.39ct Orange Spessartite Garnet, Oval, VS

5 x 3.3 mm

$ 11.33

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0.62ct Blue Sapphire, Round, VS

0.62ct Blue Sapphire, Round, VS

5 mm (calibrated)

$ 369.07

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0.51ct Yellow Spessartite Garnet, Oval, VS

0.51ct Yellow Spessartite Garnet, Oval, VS

5 x 4 mm (calibrated)

$ 17.78

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2.63ctw Red Pyrope Garnet, Square, VS

2.63ctw Red Pyrope Garnet, Square, VS

5 x 5 mm (calibrated)

$ 20.17

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0.52ct Green Sapphire, Trillion, VVS-VS

0.52ct Green Sapphire, Trillion, VVS-VS

5 x 4.8 mm

$ 41.43

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0.55ctw Pink Sapphire, Oval, VS

0.55ctw Pink Sapphire, Oval, VS

5 x 3.1 mm

$ 47.94

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0.62ct Red Pyrope Garnet, Heart, VVS-VS

0.62ct Red Pyrope Garnet, Heart, VVS-VS

5 x 5 mm (calibrated)

$ 15.44

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1.27ctw Yellow Sapphire, Round, VVS-VS

1.27ctw Yellow Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 83.56

View Gem

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

Found a rock that met my need. Bought it!

Posted By Skot in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Very good

Posted By Niska in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

A pleasant experience and many choices to choose from

Posted By Krackenking in November, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

The purchasing process is fairly quick and straightforward and for me user friendly so it probably took more or less than 3 minutes to purchase and pay for the items. I wish there was a discount offer for multiple items to encourage us buyers to purchase more an incentive and add more sales in your end. Besides that, it's been a great purchasing experience and will continue to shop as I am a repeat customer and have bought from your store many times before. Thank you.

Posted By Emmanuel in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate
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