90,000+Happy Customers
20+Years
WorldwideShipping
Cart
Free Report Included
Worldwide Shipping
30 Day Returns
Help Center Shipping Payment and Checkout Returns Certificates Contact Us
Home › Gemstones › Gemstones By Weight › 6 ct Gemstones

Buy Natural 6 Carat Loose Gemstones

6 ct Gemstones Weight
6 ct Gemstones Size
6 ct Gemstones Clarity
6 ct Gemstones Price
6 ct Gemstones Treatment

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color 6 ct Gemstones
Black 6 ct Gemstones
Blue 6 ct Gemstones
Brown 6 ct Gemstones
Golden
Gray 6 ct Gemstones
Green 6 ct Gemstones
Multicolor 6 ct Gemstones
Orange 6 ct Gemstones
Pink 6 ct Gemstones
Purple 6 ct Gemstones
Red 6 ct Gemstones
Turquoise 6 ct Gemstones
Violet 6 ct Gemstones
White 6 ct Gemstones
Yellow 6 ct Gemstones
Single
Pairs
Lots
Faceted
Cabochons
Clear All
6.73ct Multicolor Mystic Quartz, Cushion, VVS

6.73ct Multicolor Mystic Quartz, Cushion, VVS

12 x 12 mm (calibrated)

$ 40.22

View Gem
6.60ct White Rainbow Moonstone, Marquise, Transparent

6.60ct White Rainbow Moonstone, Marquise, Transparent

22.9 x 7.1 mm

$ 118.32

View Gem
6.65ct Turquoise Larimar, Pear Shape, Opaque
Larimar Product Video (674291)

6.65ct Turquoise Larimar, Pear Shape, Opaque

16 x 12 mm (calibrated)

$ 72.77

View Gem
5.86ct Blue Zircon, Oval, VVS
Zircon Product Video (487515)

5.86ct Blue Zircon, Oval, VVS

10 x 8 mm (calibrated)

$ 583.66

View Gem
5.95ct Brown Moonstone, Oval, Translucent

5.95ct Brown Moonstone, Oval, Translucent

11 x 9 mm (calibrated)

$ 13.11

View Gem
6.19ct Pink Rose Quartz, Emerald Cut, Transparent

6.19ct Pink Rose Quartz, Emerald Cut, Transparent

11.5 x 11.5 mm

$ 33.91

View Gem
6.66ct Brown Rutile Quartz, Round, Transparent

6.66ct Brown Rutile Quartz, Round, Transparent

12 mm (calibrated)

$ 18.24

View Gem
11.84ctw White Topaz, Oval, VVS-VS

11.84ctw White Topaz, Oval, VVS-VS

12 x 10 mm (calibrated)

$ 78.62

View Gem
6.40ct Multicolor Agate, Oval, Opaque

6.40ct Multicolor Agate, Oval, Opaque

12.4 x 11 mm

$ 10.84

View Gem
12.21ctw Multicolor Labradorite, Round, Translucent

12.21ctw Multicolor Labradorite, Round, Translucent

12 mm (calibrated)

$ 26.26

View Gem
6.33ct Turquoise Grandidierite, Oval, Translucent
Grandidierite Product Video (472001)

6.33ct Turquoise Grandidierite, Oval, Translucent

14 x 10 mm (calibrated)

$ 1,387.03

View Gem
6.63ct Brown Smoky Quartz, Round, VVS-VS

6.63ct Brown Smoky Quartz, Round, VVS-VS

13 mm (calibrated)

$ 10.91

View Gem
6.23ct Multicolor Labradorite, Round, Translucent

6.23ct Multicolor Labradorite, Round, Translucent

11 mm (calibrated)

$ 7.45

View Gem
6.15ct Brown Tiger'S Eye, Baguette, Opaque

6.15ct Brown Tiger'S Eye, Baguette, Opaque

12 x 10 mm (calibrated)

$ 6.13

View Gem
6.18ct Brown Tiger'S Eye, Baguette, Opaque

6.18ct Brown Tiger'S Eye, Baguette, Opaque

12 x 10 mm (calibrated)

$ 6.16

View Gem
6.42ct Red Star Ruby, Oval, Opaque

6.42ct Red Star Ruby, Oval, Opaque

11 x 9 mm (calibrated)

$ 296.48

View Gem
6.24ct Purple Star Ruby, Oval, Opaque

6.24ct Purple Star Ruby, Oval, Opaque

10.8 x 9.6 mm

$ 82.04

View Gem
6.46ct Yellow Quartz, Emerald Cut, VVS

6.46ct Yellow Quartz, Emerald Cut, VVS

12 x 12 mm (calibrated)

$ 25.98

View Gem
6.79ct Violet Amethyst, Marquise, VS

6.79ct Violet Amethyst, Marquise, VS

19.7 x 9.8 mm

$ 52.07

View Gem
6.00ct Multicolor Labradorite, Pear Shape, Transparent/Translucent

6.00ct Multicolor Labradorite, Pear Shape, Transparent/Translucent

14 x 10 mm (calibrated)

$ 13.26

View Gem
6.40ct Pink Strawberry Quartz, Oval, Translucent

6.40ct Pink Strawberry Quartz, Oval, Translucent

14 x 10 mm (calibrated)

$ 38.56

View Gem
6.25ct Blue Topaz, Fancy, Transparent

6.25ct Blue Topaz, Fancy, Transparent

11.6 x 9.3 mm

$ 41.09

View Gem
6.30ct Brown Tiger'S Eye, Baguette, Opaque

6.30ct Brown Tiger'S Eye, Baguette, Opaque

12 x 10 mm (calibrated)

$ 3.45

View Gem
5.95ct Multicolor Black Opal, Pear Shape, Translucent

5.95ct Multicolor Black Opal, Pear Shape, Translucent

19.5 x 12.8 mm

$ 177.79

View Gem

Why Buy 6 Ct Gemstones from GemSelect?

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

Great prices!!! High quality gemstones.

Posted By Ricky in October, 2025
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 -> 9 star ratings

I loved the selection of gemstones you have a to z

Posted By James in May, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

Site worked well and helped me find a rock that matched what I was looking for. Well within budget and I trust it will show up, so that's definitely positive. Not much else to it. Satisfied.

Posted By Big Ricky in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Good, hope gem quality is good and genuine

Posted By Varun in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Wonderful purchase, can't wait to see the stone.

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