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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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Multicolor 5 mm Gemstones
Orange 5 mm Gemstones
Pink 5 mm Gemstones
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White 5 mm Gemstones
Yellow 5 mm Gemstones
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0.64ct Green Sapphire, Heart, VS

5 x 5 mm (calibrated)

$ 42.18

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0.78ct Green Tourmaline, Emerald Cut, VVS

4.9 x 4.6 mm

$ 46.80

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0.70ct Blue Kyanite, Round, VS-SI

5 mm (calibrated)

$ 16.80

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1.14ctw Orange Zircon, Oval, VVS-VS

5.2 x 3.9 mm

$ 34.20

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1.45ctw Blue Kyanite, Round, SI

5 mm (calibrated)

$ 43.50

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3.08ctw Blue Topaz, Oval, VS

5.1 x 3.2 mm

$ 20.33

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0.40ct Green Sapphire, Emerald Cut, VVS-VS

5 x 3 mm (calibrated)

$ 45.60

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2.67ctw Blue Sapphire, Briolette, VS

4.9 x 3.2 mm

$ 88.11

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0.64ct Red Pyrope Garnet, Heart, VVS-VS

5 x 5 mm (calibrated)

$ 6.14

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0.47ct Blue Sapphire, Heart, VS

5 x 5 mm (calibrated)

$ 39.48

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0.67ct Violet Spinel, Cushion, VVS-VS

5.1 x 4.7 mm

$ 56.28

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6.49ctw Multicolor Opal, Square, Transparent

5 x 5 mm (calibrated)

$ 55.52

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0.42ct Green Sapphire, Oval, VVS-VS

5 x 4 mm (calibrated)

$ 37.40

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0.38ct Yellow Citrine, Heart, VVS-VS

5 x 5 mm (calibrated)

$ 3.65

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0.55ctw White Sapphire, Oval, VVS-VS

5 x 3 mm (calibrated)

$ 72.60

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1.83ctw Green Demantoid Garnet, Oval, VS-SI

5 x 3.9 mm

$ 241.56

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1.52ctw Red Pyrope Garnet, Square, VS

5 x 5 mm (calibrated)

$ 14.04

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2.67ctw Multicolor Sapphire, Round, VS

5 mm (calibrated)

$ 460.72

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0.58ct Red Pyrope Garnet, Heart, VS

5 x 5 mm (calibrated)

$ 5.57

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3.33ctw Green Peridot, Round, VVS-VS

5 mm (calibrated)

$ 59.94

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0.51ct Blue Sapphire, Round, VVS

5 mm (calibrated)

$ 413.93

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1.56ctw Blue Tanzanite, Pear Shape, VS

5.1 x 3.2 mm

$ 72.07

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1.58ctw Blue Sapphire, Cushion, VS

5 x 5 mm (calibrated)

$ 151.68

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1.58ctw Red Pyrope Garnet, Square, VVS-VS

5 x 5 mm (calibrated)

$ 14.60

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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

GemSelect is always my first choice for purchasing gemstones. The fact that the gems are always exactly as described and pictured on the website has earned my trust many times over. Even when I don't buy, I still love browsing all the beautiful stones. My new favorites are the bright green Tsavorites!

Posted By Lkcisneros in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoy every moment

Posted By Ferns in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.

Posted By Jac in July, 2025
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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