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
0.46ct Blue Sapphire, Heart, VS

0.46ct Blue Sapphire, Heart, VS

4.8 x 4.6 mm

$ 38.64

View Details
0.64ct Pink Spinel, Cushion, VVS

0.64ct Pink Spinel, Cushion, VVS

5.2 x 4.6 mm

$ 53.76

View Details
0.56ct Green Sapphire, Oval, VVS-VS

0.56ct Green Sapphire, Oval, VVS-VS

5 x 4 mm (calibrated)

$ 49.87

View Details
0.43ct Green Emerald, Emerald Cut, SI

0.43ct Green Emerald, Emerald Cut, SI

4.8 x 3.7 mm

$ 103.20

View Details
2.85ctw White Rainbow Moonstone, Pear Shape, Transparent

2.85ctw White Rainbow Moonstone, Pear Shape, Transparent

4.9 x 4.8 mm

$ 64.10

View Details
0.47ct Blue Kyanite, Round, SI

0.47ct Blue Kyanite, Round, SI

5 mm (calibrated)

$ 14.10

View Details
0.33ct Blue Sapphire, Oval, VVS-VS
Sapphire Product Video (746905)

0.33ct Blue Sapphire, Oval, VVS-VS

4.9 x 3.2 mm

$ 49.78

View Details
0.58ct Blue Sapphire, Heart, VS

0.58ct Blue Sapphire, Heart, VS

5 x 5 mm (calibrated)

$ 48.72

View Details
0.65ct Yellow Color-Change Diaspore, Square, VS

0.65ct Yellow Color-Change Diaspore, Square, VS

5 x 5 mm (calibrated)

$ 29.09

View Details
0.50ct Green Sapphire, Oval, VS

0.50ct Green Sapphire, Oval, VS

5.1 x 4.1 mm

$ 44.53

View Details
1.19ctw Red Pyrope Garnet, Heart, VS

1.19ctw Red Pyrope Garnet, Heart, VS

5 x 5 mm (calibrated)

$ 35.70

View Details
0.65ct Blue Sapphire, Briolette, VS

0.65ct Blue Sapphire, Briolette, VS

5.2 x 3.7 mm

$ 70.20

View Details
1.57ctw Multicolor Andalusite, Oval, VS

1.57ctw Multicolor Andalusite, Oval, VS

5 x 3 mm (calibrated)

$ 101.05

View Details
0.34ct Pink Morganite, Round, VS

0.34ct Pink Morganite, Round, VS

5 mm (calibrated)

$ 18.36

View Details
0.94ctw Violet Amethyst, Square, VVS

0.94ctw Violet Amethyst, Square, VVS

5 x 5 mm (calibrated)

$ 9.02

View Details
0.93ctw Orange Spessartite Garnet, Oval, VS

0.93ctw Orange Spessartite Garnet, Oval, VS

5 x 4 mm (calibrated)

$ 39.06

View Details
2.97ctw Red Pyrope Garnet, Square, VS

2.97ctw Red Pyrope Garnet, Square, VS

5 x 5 mm (calibrated)

$ 27.44

View Details
0.42ct Green Sapphire, Emerald Cut, VVS

0.42ct Green Sapphire, Emerald Cut, VVS

5.1 x 3.2 mm

$ 47.88

View Details
3.41ctw Purple Rhodolite Garnet, Round, VS
Rhodolite Garnet Product Video (383797)

3.41ctw Purple Rhodolite Garnet, Round, VS

5 mm (calibrated)

$ 159.19

View Details
0.47ct Yellow Citrine, Cushion, VVS

0.47ct Yellow Citrine, Cushion, VVS

5 x 5 mm (calibrated)

$ 4.23

View Details
0.53ctw Pink Sapphire, Oval, VVS-VS

0.53ctw Pink Sapphire, Oval, VVS-VS

4.9 x 3.2 mm

$ 69.96

View Details
0.43ctw Blue Tanzanite, Pear Shape, VS

0.43ctw Blue Tanzanite, Pear Shape, VS

5 x 3 mm (calibrated)

$ 30.96

View Details
0.43ct Yellow Spessartite Garnet, Oval, VS-SI

0.43ct Yellow Spessartite Garnet, Oval, VS-SI

5 x 4 mm (calibrated)

$ 18.06

View Details
2.86ctw Orange Spessartite Garnet, Round, VS

2.86ctw Orange Spessartite Garnet, Round, VS

5 mm (calibrated)

$ 117.04

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 -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Had a great experience and the prices are great

Posted By BuBx99 in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Web site is very simple to navigate Selection is terrific

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

Overall Rating -> 10 star ratings

I've purchased from here many times over the last decade+. I find the information easy to understand, helpful, and interesting. I have always been satisfied that I got exactly what I ordered. Pictures and descriptions are clear and unique to each stone.

Posted By Maggie in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love the site, the experience and the products.

Posted By Ckingpots in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love, and have always loved, your website.

Posted By Aberabic in July, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
Enlarged Gemstone Image