X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

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
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
Clear All
0.39ct Orange Spessartite Garnet, Oval, VS

0.39ct Orange Spessartite Garnet, Oval, VS

4.8 x 3.8 mm

$ 14.04

View Details
0.46ct Yellow Sapphire, Emerald Cut, VVS-VS

0.46ct Yellow Sapphire, Emerald Cut, VVS-VS

5 x 4 mm (calibrated)

$ 30.11

View Details
1.37ctw Red Rhodolite Garnet, Square, VS

1.37ctw Red Rhodolite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 14.46

View Details
0.76ct Yellow Sapphire, Round, VVS

0.76ct Yellow Sapphire, Round, VVS

5 mm (calibrated)

$ 58.60

View Details
0.44ct Pink Sapphire, Oval, VS

0.44ct Pink Sapphire, Oval, VS

5 x 4.2 mm

$ 53.48

View Details
4.02ctw Green Amazonite, Cushion, Opaque

4.02ctw Green Amazonite, Cushion, Opaque

5 x 5 mm (calibrated)

$ 11.77

View Details
0.57ct Green Sapphire, Emerald Cut, VVS-VS

0.57ct Green Sapphire, Emerald Cut, VVS-VS

4.8 x 3.9 mm

$ 37.31

View Details
0.38ct Yellow Citrine, Heart, VVS

0.38ct Yellow Citrine, Heart, VVS

5 x 5 mm (calibrated)

$ 3.65

View Details
0.62ct Orange Sphalerite, Round, VS-SI

0.62ct Orange Sphalerite, Round, VS-SI

5 mm (calibrated)

$ 37.20

View Details
0.53ct Yellow Citrine, Cushion, VVS-VS

0.53ct Yellow Citrine, Cushion, VVS-VS

5 x 5 mm (calibrated)

$ 4.77

View Details
0.97ctw Orange Spessartite Garnet, Oval, VS

0.97ctw Orange Spessartite Garnet, Oval, VS

5 x 4 mm (calibrated)

$ 40.74

View Details
1.43ctw White Zircon, Round, VS

1.43ctw White Zircon, Round, VS

5 mm (calibrated)

$ 45.30

View Details
1.79ctw Blue Tanzanite, Pear Shape, VS

1.79ctw Blue Tanzanite, Pear Shape, VS

5 x 3 mm (calibrated)

$ 82.70

View Details
0.87ct Multicolor Sapphire, Cushion, VS

0.87ct Multicolor Sapphire, Cushion, VS

5 x 5 mm (calibrated)

$ 83.52

View Details
0.42ct Yellow Citrine, Heart, VS

0.42ct Yellow Citrine, Heart, VS

5 x 5 mm (calibrated)

$ 3.53

View Details
0.63ct Green Sapphire, Oval, VVS-VS

0.63ct Green Sapphire, Oval, VVS-VS

5.2 x 4.2 mm

$ 56.11

View Details
0.45ct Yellow Citrine, Heart, VS

0.45ct Yellow Citrine, Heart, VS

5 x 5 mm (calibrated)

$ 3.78

View Details
1.16ctw Orange Sapphire, Round, VVS-VS

1.16ctw Orange Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 91.96

View Details
0.47ct Red Pyrope Garnet, Heart, VVS-VS

0.47ct Red Pyrope Garnet, Heart, VVS-VS

4.9 x 4.8 mm

$ 14.10

View Details
1.12ctw Red Pyrope Garnet, Heart, VVS-VS

1.12ctw Red Pyrope Garnet, Heart, VVS-VS

5 x 5 mm (calibrated)

$ 10.75

View Details
2.33ctw Yellow Sapphire, Round, VVS-VS

2.33ctw Yellow Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 184.69

View Details
2.59ctw Green Tsavorite Garnet, Oval, VS

2.59ctw Green Tsavorite Garnet, Oval, VS

5 x 3 mm (calibrated)

$ 170.94

View Details
1.96ctw Multicolor Opal, Round, Transparent

1.96ctw Multicolor Opal, Round, Transparent

5 mm (calibrated)

$ 55.14

View Details
0.44ct Green Sapphire, Emerald Cut, VVS-VS

0.44ct Green Sapphire, Emerald Cut, VVS-VS

5.2 x 3.3 mm

$ 50.16

View Details

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

Enjoy viewing the selections. Excellent product

Posted By ToRa.62 in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection of gems at a reasonable price

Posted By Curt in July, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

I've purchased things from GemSelect before. What you see is what you get, which is not always the case with gem sites online. You can find some good value with gem select, and I will buy from them again.

Posted By Meyeusername in March, 2026
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 -> 9 star ratings

If you have motion picture, then I will be more satisfied with.

Posted By Ray in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection prices are reasonable!

Posted By ToRa62 in April, 2026
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
Enlarged Gemstone Image