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
5.83ct Multicolor Fire Agate, Oval, Opaque

5.83ct Multicolor Fire Agate, Oval, Opaque

12 x 10 mm (calibrated)

$ 44.89

View Gem
5.76ct Yellow Moonstone, Oval, Translucent

5.76ct Yellow Moonstone, Oval, Translucent

14.8 x 9.5 mm

$ 12.44

View Gem
6.55ct Brown Smoky Quartz, Emerald Cut, VVS

6.55ct Brown Smoky Quartz, Emerald Cut, VVS

12 x 12 mm (calibrated)

$ 12.84

View Gem
6.19ct Brown Smoky Quartz, Pear Shape, VVS-VS

6.19ct Brown Smoky Quartz, Pear Shape, VVS-VS

15.1 x 11.1 mm

$ 20.35

View Gem
6.08ct Blue Tanzanite, Oval, VVS
Tanzanite Product Video (747179)

6.08ct Blue Tanzanite, Oval, VVS

13.3 x 9.9 mm

$ 4,541.76

View Gem
6.28ct Brown Smoky Quartz, Emerald Cut, VVS-VS

6.28ct Brown Smoky Quartz, Emerald Cut, VVS-VS

11 x 11 mm (calibrated)

$ 34.40

View Gem
5.97ct Pink Morganite, Round, Transparent

5.97ct Pink Morganite, Round, Transparent

13 mm (calibrated)

$ 65.40

View Gem
6.53ct Yellow Quartz, Flower Cut, Transparent

6.53ct Yellow Quartz, Flower Cut, Transparent

14.2 x 10.1 mm

$ 26.19

View Gem
5.76ct Multicolor Black Opal, Oval, Translucent

5.76ct Multicolor Black Opal, Oval, Translucent

15.4 x 11.9 mm

$ 143.42

View Gem
6.57ct Pink Topaz, Pear Shape, VVS-VS

6.57ct Pink Topaz, Pear Shape, VVS-VS

14 x 10 mm (calibrated)

$ 72.12

View Gem
5.89ct Green Prehnite, Fancy, Translucent

5.89ct Green Prehnite, Fancy, Translucent

15.9 x 10.4 mm

$ 9.67

View Gem
5.79ct Pink Strawberry Quartz, Oval, Translucent

5.79ct Pink Strawberry Quartz, Oval, Translucent

14 x 10 mm (calibrated)

$ 34.90

View Gem
6.43ct Yellow Quartz, Oval, VVS-VS

6.43ct Yellow Quartz, Oval, VVS-VS

14.1 x 10.8 mm

$ 35.23

View Gem
6.73ct Green Prehnite, Fancy, Transparent

6.73ct Green Prehnite, Fancy, Transparent

17 x 12 mm

$ 10.91

View Gem
6.30ct Green Agate, Oval, Translucent

6.30ct Green Agate, Oval, Translucent

13 x 11 mm (calibrated)

$ 5.02

View Gem
6.49ct Multicolor Labradorite, Pear Shape, Translucent

6.49ct Multicolor Labradorite, Pear Shape, Translucent

14 x 10 mm (calibrated)

$ 14.35

View Gem
6.03ct White Topaz, Cushion, VS

6.03ct White Topaz, Cushion, VS

12 x 10 mm (calibrated)

$ 40.04

View Gem
6.70ct Yellow Citrine, Briolette, VVS

6.70ct Yellow Citrine, Briolette, VVS

14 x 9 mm (calibrated)

$ 37.81

View Gem
6.59ct Purple Star Ruby, Oval, Opaque

6.59ct Purple Star Ruby, Oval, Opaque

11 x 9 mm (calibrated)

$ 86.64

View Gem
6.14ct Yellow Citrine, Round, VVS

6.14ct Yellow Citrine, Round, VVS

12 mm (calibrated)

$ 39.24

View Gem
6.33ct Yellow Citrine, Pear Shape, VVS

6.33ct Yellow Citrine, Pear Shape, VVS

12.9 x 12.3 mm

$ 52.54

View Gem
13.52ctw Multicolor Labradorite, Pear Shape, Translucent

13.52ctw Multicolor Labradorite, Pear Shape, Translucent

18 x 13 mm (calibrated)

$ 29.62

View Gem
6.48ct Brown Rutile Quartz, Oval, Transparent

6.48ct Brown Rutile Quartz, Oval, Transparent

14 x 10 mm (calibrated)

$ 17.75

View Gem
6.17ct Brown Tiger'S Eye, Baguette, Opaque

6.17ct Brown Tiger'S Eye, Baguette, Opaque

12 x 10 mm (calibrated)

$ 6.14

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

The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.

Posted By Jen in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect is always my first choice for purchasing gemstones. The fact that the gems are always exactly as described and pictured on the website has earned my trust many times over. Even when I don't buy, I still love browsing all the beautiful stones. My new favorites are the bright green Tsavorites!

Posted By Lkcisneros in March, 2026
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 -> 10 star ratings

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

easy interface for a pricless buy

Posted By Zeak in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

hassle free experience.

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