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Home Gemstones Gemstones By Weight 15 ct Gemstones

Buy Big 15 Carat Natural Gemstones

15 ct Gemstones Weight
15 ct Gemstones Size
15 ct Gemstones Clarity
15 ct Gemstones Price
15 ct Gemstones Treatment

Size Explained

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For Example: 6-7
For Example: 8-9
Bi-color 15 ct Gemstones
Black 15 ct Gemstones
Blue 15 ct Gemstones
Brown 15 ct Gemstones
Golden
Gray 15 ct Gemstones
Green 15 ct Gemstones
Multicolor 15 ct Gemstones
Orange 15 ct Gemstones
Pink 15 ct Gemstones
Purple 15 ct Gemstones
Red 15 ct Gemstones
Turquoise 15 ct Gemstones
Violet 15 ct Gemstones
White 15 ct Gemstones
Yellow 15 ct Gemstones
Single
Pairs
Lots
Faceted
Cabochons
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15.43ct Pink Rose Quartz, Oval, Transparent

18.6 x 14.1 mm

$ 33.81

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15.37ct Violet Amethyst, Flower Cut, Translucent

16 x 16 mm (calibrated)

$ 45.92

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15.83ct Violet Amethyst, Pear Shape, VVS-VS

21.2 x 15.5 mm

$ 110.37

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15.42ct Multicolor Jasper, Baguette, Opaque

25 x 18 mm (calibrated)

$ 16.89

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15.86ct Bi-Color Ametrine, Oval, VVS-VS

16 x 14.7 mm

$ 126.88

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15.82ct Blue Topaz, Emerald Cut, VVS-VS

16 x 12 mm (calibrated)

$ 158.20

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15.97ct White Rainbow Moonstone, Pear Shape, Translucent

19.5 x 17 mm

$ 111.34

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15.63ct Blue Chalcedony, Cushion, Opaque

18.2 x 14.8 mm

$ 38.93

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15.83ct Yellow Quartz, Flower Cut, Transparent

22.1 x 13.7 mm

$ 52.03

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15.32ct Multicolor Ammolite, Fancy, Opaque

23.1 x 19.1 mm

$ 152.59

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15.15ct Black Tourmaline, Cushion, Opaque

15.8 x 13.8 mm

$ 75.45

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15.66ct Multicolor Jasper, Oval, Opaque

20 x 15 mm (calibrated)

$ 12.88

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15.41ct Green Opal, Pear Shape, Opaque

21.3 x 16.2 mm

$ 33.00

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15.53ct Multicolor Ammolite, Fancy, Opaque

27 x 12.4 mm

$ 340.29

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15.01ct Multicolor Labradorite, Pear Shape, Translucent

18 x 13 mm (calibrated)

$ 33.18

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15.73ct Yellow Quartz, Flower Cut, Transparent

21.5 x 17 mm

$ 51.70

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15.14ct Purple Star Ruby, Oval, Opaque

14 x 12 mm (calibrated)

$ 199.05

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15.65ct Multicolor Pietersite, Marquise, Opaque

34 x 14.6 mm

$ 36.64

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15.56ct Blue Topaz, Fancy, Transparent

22.4 x 12 mm

$ 85.24

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15.09ct Multicolor Ammolite, Fancy, Opaque

20.6 x 18.8 mm

$ 330.66

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15.22ct Black Tourmaline, Oval, Opaque

16.8 x 14.2 mm

$ 75.80

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15.50ct Multicolor Ammolite, Fancy, Opaque

21 x 16.9 mm

$ 339.64

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15.02ct Gray Jadeite, Oval, Translucent

20.8 x 13.6 mm

$ 32.91

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15.88ct Multicolor Labradorite, Round, Translucent

16 mm (calibrated)

$ 34.16

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Why Buy 15 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

It was good. There was a large selection at prices I could afford.

Posted By Zorah in February, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

They have literally everything on this website! The prices are also pretty good, I was able to find plenty of nice stones that I could afford!

Posted By JC in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I loved it! Extensive inventory, great prices, I definitely will be buying from here again!

Posted By Lex 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

Great prices!!! High quality gemstones.

Posted By Ricky in October, 2025
Source: Bizrate
Enlarged Gemstone Image