X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

3 mm Round Blue Gemstones: Sapphire, Tanzanite, Topaz, Zircon Stones and More in Round Cut

3 mm Round Blue Gemstones: Sapphire, Tanzanite, Topaz, Zircon Stones and More in Round Cut

Explore our exquisite collection of 3 mm round blue gemstones, perfect for jewelry making and collectors. Our selection includes stunning 3 mm round sapphire, 3 mm round blue topaz, and 3 mm round aquamarine, along with rare gems like tanzanite, kyanite, and blue zircon. Whether you're searching for loose 3 mm blue gems or high-quality round 3 mm blue gemstones, we have the perfect stones to bring your designs to life.

3 mm Round Blue Gemstones Weight
3 mm Round Blue Gemstones Size
3 mm Round Blue Gemstones Clarity
3 mm Round Blue Gemstones Price

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color
Black
Blue 3 mm Round Blue Gemstones
Brown
Golden
Gray
Green
Multicolor
Orange
Pink
Purple
Red
Turquoise
Violet
White
Yellow
Single
Pairs
Lots
Faceted
Cabochons
Clear All
  • Actual Product Photos
  • Reliable Quality
  • Full Transparency
  • Large Selection
  • Affordable Prices
  • Fast, Secure Global Shipping
ID: 702705
Weight: 0.12ct
Size: 3 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 146.66
Item in Stock
More Options & Item Details
Add to Cart

FAQs

What are the most popular 3 mm round blue gemstones?

The most popular 3 mm round blue gemstones include sapphire, blue topaz, aquamarine, tanzanite, lapis lazuli, blue zircon, iolite, kyanite, spinel, and apatite. These blue stones are available in various shades, from deep royal blue to vibrant neon blue.

How can I use 3 mm blue gemstones in jewelry?

3 mm blue gemstones are perfect for rings, earrings, bracelets, and pendants. Their small size makes them ideal for accent stones, stacking jewelry, or intricate settings. Many jewelers use 3 mm round blue zircon, sapphire, and aquamarine to create delicate and elegant designs.

What is the difference between 3 mm round sapphire and 3 mm round blue topaz?

3 mm round sapphire is a highly durable gemstone with a deep blue color, often associated with luxury. 3 mm round blue topaz, on the other hand, is a more affordable gemstone with a lighter blue hue. Both gemstones are excellent choices for fine jewelry.

Are 3 mm round blue gemstones natural or synthetic?

Many 3 mm blue gemstones, such as sapphire, tanzanite, and zircon, are available in both natural and lab-created versions. Natural gemstones are formed over millions of years, while synthetic ones are created in a lab with the same chemical composition. Both options offer beauty and durability.

How do I care for my 3 mm blue stones?

To maintain the brilliance of your 3 mm round blue gemstones, clean them with mild soap and warm water. Avoid harsh chemicals and extreme heat, especially for softer stones like apatite and kyanite. Store your gemstones separately to prevent scratches.

Where can I buy high-quality 3 mm round blue gemstones?

You can find a wide selection of high-quality 3 mm round blue gemstones, including sapphire, aquamarine, blue zircon, and spinel, from trusted gemstone retailers. Look for reputable sellers that provide certification and detailed descriptions of their blue 3 mm gems.

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

Easy and convenient

Posted By Butch in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoyed shopping.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar

Posted By TheP in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I can pick and choose from large selection and find just what I need for .y projects, currently my cane.

Posted By Darkstar731 in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson 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 -> 10 star ratings

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 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

I love the product and the details about each of them.

Posted By Love It! in July, 2025
Source: Bizrate
Enlarged Gemstone Image