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 6 ct Gemstones
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
6.40ct Multicolor Fire Agate, Oval, Opaque

6.40ct Multicolor Fire Agate, Oval, Opaque

14.4 x 11 mm

$ 54.63

View Gem
5.85ct Green Prehnite, Fancy, Transparent

5.85ct Green Prehnite, Fancy, Transparent

16.2 x 10.7 mm

$ 9.50

View Gem
6.61ct Yellow Quartz, Flower Cut, Transparent

6.61ct Yellow Quartz, Flower Cut, Transparent

13 x 13 mm (calibrated)

$ 21.72

View Gem
6.76ct Violet Amethyst, Pear Shape, VS

6.76ct Violet Amethyst, Pear Shape, VS

16 x 12 mm (calibrated)

$ 51.84

View Gem
6.66ct Pink Kunzite, Emerald Cut, VS

6.66ct Pink Kunzite, Emerald Cut, VS

11.3 x 7.7 mm

$ 165.83

View Gem
5.78ct Brown Smoky Quartz, Round, VVS

5.78ct Brown Smoky Quartz, Round, VVS

11 mm (calibrated)

$ 15.84

View Gem
6.02ct Green Prehnite, Fancy, Translucent

6.02ct Green Prehnite, Fancy, Translucent

15.4 x 11.3 mm

$ 9.89

View Gem
6.19ct White Topaz, Cushion, VS

6.19ct White Topaz, Cushion, VS

12 x 10 mm (calibrated)

$ 41.10

View Gem
6.42ct Pink Morganite, Round, Transparent

6.42ct Pink Morganite, Round, Transparent

11 mm (calibrated)

$ 64.64

View Gem
6.63ct Yellow Citrine, Emerald Cut, VVS-VS

6.63ct Yellow Citrine, Emerald Cut, VVS-VS

14 x 10 mm (calibrated)

$ 50.85

View Gem
6.23ct Purple Star Ruby, Oval, Opaque

6.23ct Purple Star Ruby, Oval, Opaque

11 x 8.1 mm

$ 287.71

View Gem
6.66ct Multicolor Fire Agate, Oval, Opaque
Fire Agate Product Video (487026)

6.66ct Multicolor Fire Agate, Oval, Opaque

14 x 9 mm (calibrated)

$ 51.28

View Gem
5.96ct Multicolor Ruby-Zoisite, Baguette, Opaque

5.96ct Multicolor Ruby-Zoisite, Baguette, Opaque

11 x 9.8 mm

$ 16.33

View Gem
6.48ct Brown Tiger'S Eye, Cushion, Opaque

6.48ct Brown Tiger'S Eye, Cushion, Opaque

10 x 10 mm (calibrated)

$ 6.46

View Gem
5.85ct Violet Amethyst, Heart, Transparent

5.85ct Violet Amethyst, Heart, Transparent

12.8 x 11.8 mm

$ 29.13

View Gem
6.31ct Violet Amethyst, Oval, Transparent

6.31ct Violet Amethyst, Oval, Transparent

13.6 x 11 mm

$ 37.71

View Gem
6.65ct Gray Quartz Cat'S Eye, Oval, Opaque

6.65ct Gray Quartz Cat'S Eye, Oval, Opaque

12.6 x 10 mm

$ 21.86

View Gem
6.08ct Brown Rutile Quartz, Round, Transparent

6.08ct Brown Rutile Quartz, Round, Transparent

12 mm (calibrated)

$ 15.25

View Gem
6.15ct Yellow Quartz, Fancy, Transparent

6.15ct Yellow Quartz, Fancy, Transparent

14.9 x 11 mm

$ 16.52

View Gem
6.18ct Yellow Apatite, Oval, VS
Apatite Product Video (514430)

6.18ct Yellow Apatite, Oval, VS

12.6 x 10.7 mm

$ 270.83

View Gem
12.84ctw Black Pietersite, Oval, Opaque

12.84ctw Black Pietersite, Oval, Opaque

14 x 10 mm (calibrated)

$ 56.27

View Gem
13.04ctw Blue Topaz, Sphere / Ball, VS
Topaz Product Video (337617)

13.04ctw Blue Topaz, Sphere / Ball, VS

9 mm (calibrated)

$ 105.14

View Gem
5.85ct Violet Amethyst, Pear Shape, VVS-VS

5.85ct Violet Amethyst, Pear Shape, VVS-VS

15 x 10 mm (calibrated)

$ 44.87

View Gem
6.22ct Yellow Citrine, Oval, VVS

6.22ct Yellow Citrine, Oval, VVS

15 x 10 mm (calibrated)

$ 37.69

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

Enjoy every moment

Posted By Ferns in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All good

Posted By DouscheGift in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always get a nice gemstone. Just like the picture. Never disappointed

Posted By Ron T in June, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

This is the first time I have used this site. I was dissatisfied with the quality of gems and supplies elsewhere and decided to try GemSelect. They are awesome! I was thrilled to see the variety and the great web performance. There was the ability to search for information as well as gems. Things like the clarity rating system and caret weight of the gems. I have always loved making things and I have just started to make jewelry as a business. However I have never made a ring before and have always wanted to. On GemSelect I was able to find good quality gems to use in my creations. I am so glad the website is so easy to use. Thank you GemSelect.

Posted By PickyShopper in April, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

Good prices

Posted By TRM in October, 2025
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