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
6.36ct Violet Amethyst, Oval, Transparent

6.36ct Violet Amethyst, Oval, Transparent

15 x 10 mm (calibrated)

$ 31.67

View Gem
12.96ctw Black Spinel, Round, Opaque

12.96ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 40.33

View Gem
6.33ct Brown Smoky Quartz, Pear Shape, VVS-VS

6.33ct Brown Smoky Quartz, Pear Shape, VVS-VS

15.1 x 11.1 mm

$ 20.81

View Gem
5.78ct Orange Spessartite Garnet, Oval, Transparent

5.78ct Orange Spessartite Garnet, Oval, Transparent

9.9 x 9 mm

$ 143.92

View Gem
6.76ct Green Prehnite, Fancy, Translucent

6.76ct Green Prehnite, Fancy, Translucent

13.9 x 10.2 mm

$ 9.25

View Gem
5.92ct Pink Kunzite, Cushion, VVS

5.92ct Pink Kunzite, Cushion, VVS

12 x 8 mm (calibrated)

$ 162.91

View Gem
11.56ctw Green Seraphinite, Cushion, Opaque

11.56ctw Green Seraphinite, Cushion, Opaque

14 x 10 mm (calibrated)

$ 18.92

View Gem
5.96ct Green Uvarovite Garnet Drusy, Fancy, Opaque

5.96ct Green Uvarovite Garnet Drusy, Fancy, Opaque

13 x 9 mm (calibrated)

$ 19.39

View Gem
5.85ct Brown Smoky Quartz, Round, VS

5.85ct Brown Smoky Quartz, Round, VS

12 mm (calibrated)

$ 9.62

View Gem
6.52ct Yellow Citrine, Briolette, VVS

6.52ct Yellow Citrine, Briolette, VVS

14 x 9 mm (calibrated)

$ 36.50

View Gem
6.42ct Multicolor Fire Agate, Fancy, Opaque

6.42ct Multicolor Fire Agate, Fancy, Opaque

17 x 7.8 mm

$ 49.81

View Gem
6.64ct Multicolor Agate, Oval, Opaque

6.64ct Multicolor Agate, Oval, Opaque

12.3 x 11 mm

$ 5.51

View Gem
6.71ct Pink Kunzite, Emerald Cut, VVS

6.71ct Pink Kunzite, Emerald Cut, VVS

10.7 x 9.7 mm

$ 184.66

View Gem
6.07ct Yellow Citrine, Round, VVS

6.07ct Yellow Citrine, Round, VVS

12 mm (calibrated)

$ 46.55

View Gem
5.77ct Yellow Citrine, Oval, VVS-VS

5.77ct Yellow Citrine, Oval, VVS-VS

14 x 10 mm (calibrated)

$ 34.64

View Gem
6.76ct Brown Smoky Quartz, Round, VVS-VS

6.76ct Brown Smoky Quartz, Round, VVS-VS

12 mm (calibrated)

$ 18.52

View Gem
6.53ct Brown Moonstone, Oval, Translucent

6.53ct Brown Moonstone, Oval, Translucent

14 x 9 mm (calibrated)

$ 14.09

View Gem
5.83ct Green Actinolite Cat'S Eye, Oval, Translucent

5.83ct Green Actinolite Cat'S Eye, Oval, Translucent

14 x 11.2 mm

$ 40.65

View Gem
11.92ctw White Topaz, Cushion, VVS-VS

11.92ctw White Topaz, Cushion, VVS-VS

12 x 10 mm (calibrated)

$ 79.15

View Gem
6.72ct Turquoise Hemimorphite Druzy, Fancy, Opaque
Hemimorphite Druzy Product Video (439651)

6.72ct Turquoise Hemimorphite Druzy, Fancy, Opaque

12 x 12 mm (calibrated)

$ 100.40

View Gem
6.63ct Violet Amethyst, Pear Shape, Transparent

6.63ct Violet Amethyst, Pear Shape, Transparent

14.1 x 10.7 mm

$ 39.62

View Gem
12.53ctw Violet Amethyst, Oval, Transparent

12.53ctw Violet Amethyst, Oval, Transparent

14 x 10 mm (calibrated)

$ 49.55

View Gem
5.79ct Turquoise Aquamarine, Oval, Translucent
Aquamarine Product Video (729959)

5.79ct Turquoise Aquamarine, Oval, Translucent

16.1 x 9.7 mm

$ 120.14

View Gem
6.13ct Black Star Sapphire, Oval, Opaque

6.13ct Black Star Sapphire, Oval, Opaque

10.2 x 9.2 mm

$ 122.11

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

Web site is very simple to navigate Selection is terrific

Posted By ToRa.62 in April, 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

IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.

Posted By YE in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.

Posted By MVK in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.

Posted By Atsuhisa in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

So far So good

Posted By VH-1 in July, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
Enlarged Gemstone Image