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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
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
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1.54ctw Red Pyrope Garnet, Square, VS

1.54ctw Red Pyrope Garnet, Square, VS

5 x 5 mm (calibrated)

$ 11.81

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0.30ct Orange Spessartite Garnet, Oval, VS-SI

0.30ct Orange Spessartite Garnet, Oval, VS-SI

5 x 3 mm (calibrated)

$ 10.46

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0.41ct Yellow Sapphire, Baguette, VS-SI

0.41ct Yellow Sapphire, Baguette, VS-SI

5 x 3 mm (calibrated)

$ 26.79

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0.84ctw Orange Spessartite Garnet, Oval, VS

0.84ctw Orange Spessartite Garnet, Oval, VS

4.8 x 4 mm

$ 29.28

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2.93ctw Blue Topaz, Oval, VS

2.93ctw Blue Topaz, Oval, VS

5.2 x 3.3 mm

$ 16.05

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0.78ctw Yellow Sapphire, Baguette, VS

0.78ctw Yellow Sapphire, Baguette, VS

5 x 3 mm (calibrated)

$ 29.91

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0.56ct Yellow Grossularite Garnet, Round, VS

0.56ct Yellow Grossularite Garnet, Round, VS

5 mm (calibrated)

$ 14.11

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0.34ctw Yellow Sapphire, Marquise, VVS

0.34ctw Yellow Sapphire, Marquise, VVS

5 x 2.5 mm (calibrated)

$ 23.30

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0.71ct Green Cat'S Eye Alexandrite, Oval, Opaque

0.71ct Green Cat'S Eye Alexandrite, Oval, Opaque

5 x 4 mm (calibrated)

$ 147.33

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0.72ctw Green Emerald, Oval, Translucent

0.72ctw Green Emerald, Oval, Translucent

5 x 4 mm (calibrated)

$ 50.20

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2.86ctw Blue Sapphire, Briolette, VS

2.86ctw Blue Sapphire, Briolette, VS

5 x 3.3 mm

$ 94.01

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4.97ctw Blue Zircon, Oval, VS
Zircon Product Video (444870)

4.97ctw Blue Zircon, Oval, VS

5 x 3.2 mm

$ 109.40

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0.61ct Orange Zircon, Oval, VVS

0.61ct Orange Zircon, Oval, VVS

5 x 4 mm (calibrated)

$ 9.11

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0.59ct Yellow Sapphire, Round, VVS

0.59ct Yellow Sapphire, Round, VVS

5 mm (calibrated)

$ 37.76

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0.45ct Yellow Citrine, Heart, VS

0.45ct Yellow Citrine, Heart, VS

5 x 5 mm (calibrated)

$ 3.14

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0.67ct Purple Ruby, Round, VS-SI

0.67ct Purple Ruby, Round, VS-SI

5 mm (calibrated)

$ 209.34

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0.30ct Blue Tanzanite, Pear Shape, VVS-VS
Tanzanite Product Video (503841)

0.30ct Blue Tanzanite, Pear Shape, VVS-VS

5.2 x 4 mm

$ 9.52

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1.40ctw Red Pyrope Garnet, Square, VVS

1.40ctw Red Pyrope Garnet, Square, VVS

5 x 5 mm (calibrated)

$ 10.74

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0.35ct Red Ruby, Pear Shape, VS-SI

0.35ct Red Ruby, Pear Shape, VS-SI

5 x 4 mm (calibrated)

$ 115.04

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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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0.27ct Violet Iolite, Baguette, VS

0.27ct Violet Iolite, Baguette, VS

5 x 3 mm (calibrated)

$ 10.76

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7.62ctw White Topaz, Square, VVS-VS

7.62ctw White Topaz, Square, VVS-VS

5 x 5 mm (calibrated)

$ 61.36

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3.49ctw Yellow Sapphire, Marquise, VVS-VS

3.49ctw Yellow Sapphire, Marquise, VVS-VS

4.8 x 2.6 mm

$ 95.60

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2.66ctw Purple Rhodolite Garnet, Oval, VS

2.66ctw Purple Rhodolite Garnet, Oval, VS

5 x 3 mm (calibrated)

$ 43.28

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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 -> 9 star ratings

Easy to use. Many options to find the right gemstone

Posted By Liz in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to use. No issues. Large selection of gems.

Posted By CLTCJH in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

It's always a pleasure doing business with Gem Select. Outstanding products ant very reasonable prices. Thank You One and All.

Posted By G.W. or Bakyow in July, 2025
Source: Bizrate

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 GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.

Posted By YE in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect offers excellent choices, prices & service- highly recommended! Unfortunately, prior to ordering a replacement gemstone, my jeweler neglected to mention it needed to be one that was a'cushion cuta' to fit the existing mount. Have yet to return/exchangea'

Posted By CJ in March, 2026
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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