search
  • Sign In
    Sign Up
  • English speaking customer support only

    1-800-464-1640

    International:

    +66-39601289

  • Change Language
  • USD
  • CART

Buy 15 ct Gemstones

(19)
15 ct Gemstones Weight 15 ct Gemstones Size 15 ct Gemstones Clarity 15 ct Gemstones Price 15 ct Gemstones Origin
More
15 ct Gemstones Single
15 ct Gemstones Pairs
15 ct Gemstones Lots
15 ct Gemstones Faceted
15 ct Gemstones Cabochons
Sort By:
Clear All
Photos are of Actual Products for Sale

14.85 ct Pink Kunzite, 19.4 x 12.4 mm Trillion Cut From Afghanistan

Buy Natural Kunzite, Qty: 1 pc | 14.85 carat weight Kunzite

14.85ct1 Piece
$ 326.70
19.4 x 12.4 mm
Item Description
Stone Type: Loose Kunzite
Kunzite Weight: 14.85 ct Kunzite
Kunzite Shape: Trillion Facet Kunzite
Kunzite Size: 19.4 x 12.4 mm Kunzite
Kunzite Color: Medium Light-Pink Kunzite
Kunzite Clarity: VVS Kunzite
Kunzite Origin: Afghanistan Kunzite
Kunzite Treatment: Untreated
Kunzite Quantity: 1
Kunzite Certificate: GemSelect
Product Description:
View Details
Add to Cart

14.54 carat Trillion Ammolite, loose Certified Ammolite from Canada, Natural Gem, 23 x 17.4 mm

Buy Natural Ammolite, Qty: 1 pc | 14.54 carat weight Ammolite

14.54ct1 Piece
$ 290.80
23 x 17.4 mm
Item Description
Stone Type: Loose Ammolite
Ammolite Weight: 14.54 ct Ammolite
Ammolite Shape: Trillion Cabochon Ammolite
Ammolite Size: 23 x 17.4 mm Ammolite
Ammolite Color: Multicolor Ammolite
Ammolite Clarity: Opaque Ammolite
Ammolite Origin: Canada Ammolite
Ammolite Treatment: Assembled
Ammolite Quantity: 1
Ammolite Certificate: GemSelect
Product Description:
View Details
Add to Cart

15.33 ct Yellow Quartz, 16.1 x 16 mm Carved From Brazil

Buy Natural Quartz, Qty: 1 pc | 15.33 carat weight Quartz

15.33ct1 Piece
$ 59.03
16.1 x 16 mm
Item Description
Stone Type: Loose Quartz
Quartz Weight: 15.33 ct Quartz
Quartz Shape: Fancy Carved Trillion Quartz
Quartz Size: 16.1 x 16 mm Quartz
Quartz Color: Light Pineapple Yellow Quartz
Quartz Clarity: Transparent Quartz
Quartz Origin: Brazil Quartz
Quartz Treatment: Irradiated
Quartz Quantity: 1
Quartz Certificate: GemSelect
Product Description:
View Details
Add to Cart

14.63 ct Blue Green Turquoise, 22.3 x 18.3 mm Trillion Cut From China

Buy Natural Turquoise, Qty: 1 pc | 14.63 carat weight Turquoise

14.63ct1 Piece
$ 26.77
22.3 x 18.3 mm
Item Description
Stone Type: Loose Turquoise
Turquoise Weight: 14.63 ct Turquoise
Turquoise Shape: Trillion Cabochon Turquoise
Turquoise Size: 22.3 x 18.3 mm Turquoise
Turquoise Color: Medium-Light Blue Green Turquoise
Turquoise Clarity: Opaque Turquoise
Turquoise Origin: China Turquoise
Turquoise Treatment: Untreated
Turquoise Quantity: 1
Turquoise Certificate: GemSelect
Product Description:
View Details
Add to Cart

15.67 carat Trillion Ammolite, loose Certified Ammolite from Canada, Natural Gem, 22.4 x 16.2 mm

Buy Natural Ammolite, Qty: 1 pc | 15.67 carat weight Ammolite

15.67ct1 Piece
$ 172.37
22.4 x 16.2 mm
Item Description
Stone Type: Loose Ammolite
Ammolite Weight: 15.67 ct Ammolite
Ammolite Shape: Trillion Cabochon Ammolite
Ammolite Size: 22.4 x 16.2 mm Ammolite
Ammolite Color: Multicolor Ammolite
Ammolite Clarity: Opaque Ammolite
Ammolite Origin: Canada Ammolite
Ammolite Treatment: Assembled
Ammolite Quantity: 1
Ammolite Certificate: GemSelect
Product Description:
View Details
Add to Cart

15.68 ct Trillion Obsidian, 25 x 21 mm From the United States

Buy Natural Obsidian, Qty: 1 pc | 15.68 carat weight Obsidian

15.68ct1 Piece
$ 25.87
25 x 21 mm
Item Description
Stone Type: Loose Obsidian
Obsidian Weight: 15.68 ct Obsidian
Obsidian Shape: Trillion Cabochon Obsidian
Obsidian Size: 25 x 21 mm Obsidian
Obsidian Color: Black with Gold Sheen Obsidian
Obsidian Clarity: Opaque Obsidian
Obsidian Origin: United States Obsidian
Obsidian Treatment: Untreated
Obsidian Quantity: 1
Obsidian Certificate: GemSelect
Product Description:
View Details
Add to Cart

14.82 ct Loose Trillion Charoite, 24.8 x 19.4 mm From Russia

Buy Natural Charoite, Qty: 1 pc | 14.82 carat weight Charoite

14.82ct1 Piece
$ 24.60
24.8 x 19.4 mm
Item Description
Stone Type: Loose Charoite
Charoite Weight: 14.82 ct Charoite
Charoite Shape: Trillion Cabochon Charoite
Charoite Size: 24.8 x 19.4 mm Charoite
Charoite Color: Deep Violet Charoite
Charoite Clarity: Opaque Charoite
Charoite Origin: Russia Charoite
Charoite Treatment: Untreated
Charoite Quantity: 1
Charoite Certificate: GemSelect
Product Description:
View Details
Add to Cart

15.63 ct Trillion Howlite, 21.6 x 17.7 mm From the United States

Buy Natural Howlite, Qty: 1 pc | 15.63 carat weight Howlite

15.63ct1 Piece
$ 7.35
21.6 x 17.7 mm
Item Description
Stone Type: Loose Howlite
Howlite Weight: 15.63 ct Howlite
Howlite Shape: Trillion Cabochon Howlite
Howlite Size: 21.6 x 17.7 mm Howlite
Howlite Color: Greyish White Howlite
Howlite Clarity: Opaque Howlite
Howlite Origin: United States Howlite
Howlite Treatment: Untreated
Howlite Quantity: 1
Howlite Certificate: GemSelect
Product Description:
View Details
Add to Cart

29.73 ct Trillion Fossil Coral, 22 x 14.2 mm From Indonesia

Buy Natural Fossil Coral, Qty: 2 pcs | 29.73 carat weight Fossil Coral

29.73ct (total)2 Pieces
$ 32.70
22 x 14.2 mm
Item Description
Stone Type: Loose Fossil Coral
Fossil Coral Weight: 14.87 ct Fossil Coral
Fossil Coral Shape: Trillion Cabochon Fossil Coral
Fossil Coral Size: 22 x 14.2 mm Fossil Coral
Fossil Coral Color: Multicolor Fossil Coral
Fossil Coral Clarity: Opaque Fossil Coral
Fossil Coral Origin: Indonesia Fossil Coral
Fossil Coral Treatment: Untreated
Fossil Coral Quantity: 2
Fossil Coral Certificate: GemSelect
Product Description:
View Details
Add to Cart

29.28 ct Trillion Fossil Coral, 22.2 x 16.3 mm From Indonesia

Buy Natural Fossil Coral, Qty: 2 pcs | 29.28 carat weight Fossil Coral

29.28ct (total)2 Pieces
$ 32.21
22.2 x 16.3 mm
Item Description
Stone Type: Loose Fossil Coral
Fossil Coral Weight: 14.64 ct Fossil Coral
Fossil Coral Shape: Trillion Cabochon Fossil Coral
Fossil Coral Size: 22.2 x 16.3 mm Fossil Coral
Fossil Coral Color: Multicolor Fossil Coral
Fossil Coral Clarity: Opaque Fossil Coral
Fossil Coral Origin: Indonesia Fossil Coral
Fossil Coral Treatment: Untreated
Fossil Coral Quantity: 2
Fossil Coral Certificate: GemSelect
Product Description:
View Details
Add to Cart

15.92 ct Pink Kunzite, 18.6 x 13 mm Trillion Cut From Afghanistan

Buy Natural Kunzite, Qty: 1 pc | 15.92 carat weight Kunzite

15.92ct1 Piece
$ 318.40
18.6 x 13 mm
Item Description
Stone Type: Loose Kunzite
Kunzite Weight: 15.92 ct Kunzite
Kunzite Shape: Trillion Facet Kunzite
Kunzite Size: 18.6 x 13 mm Kunzite
Kunzite Color: Very Light Pink Tone Kunzite
Kunzite Clarity: VS Kunzite
Kunzite Origin: Afghanistan Kunzite
Kunzite Treatment: Untreated
Kunzite Quantity: 1
Kunzite Certificate: GemSelect
Product Description:
View Details
Add to Cart
15.24ct1 Piece
$ 335.28
15.7 x 15.3 mm
Item Description
Stone Type: Loose Tsavorite Garnet
Tsavorite Garnet Weight: 15.24 ct Tsavorite Garnet
Tsavorite Garnet Shape: Trillion Cabochon Tsavorite Garnet
Tsavorite Garnet Size: 15.7 x 15.3 mm Tsavorite Garnet
Tsavorite Garnet Color: Medium-Dark Green Tsavorite Garnet
Tsavorite Garnet Clarity: Translucent Tsavorite Garnet
Tsavorite Garnet Origin: Tanzania Tsavorite Garnet
Tsavorite Garnet Treatment: Untreated
Tsavorite Garnet Quantity: 1
Tsavorite Garnet Certificate: GemSelect
Product Description:
View Details
Add to Cart

14.98 ct Trillion Jasper, 27.4 x 14.7 mm From Indonesia

Buy Natural Jasper, Qty: 1 pc | 14.98 carat weight Jasper

14.98ct1 Piece
$ 11.87
27.4 x 14.7 mm
Item Description
Stone Type: Loose Jasper
Jasper Weight: 14.98 ct Jasper
Jasper Shape: Trillion Cabochon Jasper
Jasper Size: 27.4 x 14.7 mm Jasper
Jasper Color: Multicolor Jasper
Jasper Clarity: Opaque Jasper
Jasper Origin: Indonesia Jasper
Jasper Treatment: Untreated
Jasper Quantity: 1
Jasper Certificate: GemSelect
Product Description:
View Details
Add to Cart

15.82 ct Trillion Obsidian, 23.6 x 20.4 mm From the United States

Buy Natural Obsidian, Qty: 1 pc | 15.82 carat weight Obsidian

15.82ct1 Piece
$ 26.10
23.6 x 20.4 mm
Item Description
Stone Type: Loose Obsidian
Obsidian Weight: 15.82 ct Obsidian
Obsidian Shape: Trillion Cabochon Obsidian
Obsidian Size: 23.6 x 20.4 mm Obsidian
Obsidian Color: Light Blackish Brown Obsidian
Obsidian Clarity: Opaque Obsidian
Obsidian Origin: United States Obsidian
Obsidian Treatment: Untreated
Obsidian Quantity: 1
Obsidian Certificate: GemSelect
Product Description:
View Details
Add to Cart

31.57 ct Trillion Fossil Coral, 22.2 x 15.4 mm From Indonesia

Buy Natural Fossil Coral, Qty: 2 pcs | 31.57 carat weight Fossil Coral

31.57ct (total)2 Pieces
$ 34.73
22.2 x 15.4 mm
Item Description
Stone Type: Loose Fossil Coral
Fossil Coral Weight: 15.79 ct Fossil Coral
Fossil Coral Shape: Trillion Cabochon Fossil Coral
Fossil Coral Size: 22.2 x 15.4 mm Fossil Coral
Fossil Coral Color: Multicolor Fossil Coral
Fossil Coral Clarity: Opaque Fossil Coral
Fossil Coral Origin: Indonesia Fossil Coral
Fossil Coral Treatment: Untreated
Fossil Coral Quantity: 2
Fossil Coral Certificate: GemSelect
Product Description:
View Details
Add to Cart

15.83 carat Trillion Ammolite, loose Certified Ammolite from Canada, Natural Gem, 29.6 x 14.9 mm

Buy Natural Ammolite, Qty: 1 pc | 15.83 carat weight Ammolite

15.83ct1 Piece
$ 261.20
29.6 x 14.9 mm
Item Description
Stone Type: Loose Ammolite
Ammolite Weight: 15.83 ct Ammolite
Ammolite Shape: Trillion Cabochon Ammolite
Ammolite Size: 29.6 x 14.9 mm Ammolite
Ammolite Color: Multicolor Ammolite
Ammolite Clarity: Opaque Ammolite
Ammolite Origin: Canada Ammolite
Ammolite Treatment: Assembled
Ammolite Quantity: 1
Ammolite Certificate: GemSelect
Product Description:
View Details
Add to Cart

15.56 ct Trillion Tiger's Eye Matrix, 18.9 x 17.4 mm From Mexico

Buy Natural Tiger's Eye Matrix, Qty: 1 pc | 15.56 carat weight Tiger's Eye Matrix

15.56ct1 Piece
$ 7.16
18.9 x 17.4 mm
Item Description
Stone Type: Loose Tiger's Eye Matrix
Tiger's Eye Matrix Weight: 15.56 ct Tiger's Eye Matrix
Tiger's Eye Matrix Shape: Trillion Cabochon Tiger's Eye Matrix
Tiger's Eye Matrix Size: 18.9 x 17.4 mm Tiger's Eye Matrix
Tiger's Eye Matrix Color: Multicolor Tiger's Eye Matrix
Tiger's Eye Matrix Clarity: Opaque Tiger's Eye Matrix
Tiger's Eye Matrix Origin: Mexico Tiger's Eye Matrix
Tiger's Eye Matrix Treatment: Untreated
Tiger's Eye Matrix Quantity: 1
Tiger's Eye Matrix Certificate: GemSelect
Product Description:
View Details
Add to Cart

31.65 ct Trillion Fossil Coral, 21.7 x 15.1 mm From Indonesia

Buy Natural Fossil Coral, Qty: 2 pcs | 31.65 carat weight Fossil Coral

31.65ct (total)2 Pieces
$ 34.82
21.7 x 15.1 mm
Item Description
Stone Type: Loose Fossil Coral
Fossil Coral Weight: 15.83 ct Fossil Coral
Fossil Coral Shape: Trillion Cabochon Fossil Coral
Fossil Coral Size: 21.7 x 15.1 mm Fossil Coral
Fossil Coral Color: Multicolor Fossil Coral
Fossil Coral Clarity: Opaque Fossil Coral
Fossil Coral Origin: Indonesia Fossil Coral
Fossil Coral Treatment: Untreated
Fossil Coral Quantity: 2
Fossil Coral Certificate: GemSelect
Product Description:
View Details
Add to Cart

30.33 ct Trillion Jasper, 24.6 x 22.6 mm From Indonesia

Buy Natural Jasper, Qty: 2 pcs | 30.33 carat weight Jasper

30.33ct (total)2 Pieces
$ 42.70
24.6 x 22.6 mm
Item Description
Stone Type: Loose Jasper
Jasper Weight: 15.17 ct Jasper
Jasper Shape: Trillion Cabochon Jasper
Jasper Size: 24.6 x 22.6 mm Jasper
Jasper Color: Multicolor Jasper
Jasper Clarity: Opaque Jasper
Jasper Origin: Indonesia Jasper
Jasper Treatment: Untreated
Jasper Quantity: 2
Jasper Certificate: GemSelect
Product Description:
View Details
Add to Cart
Buy gems by weight. Shop from our extensive range of beautiful, natural 15-carat gems. Browse the largest selection of natural loose colored gemstones available in 15 carats. Our large gemstone selection includes many popular gem types, such as amethyst, citrine, topaz and turquoise, and lesser-known gems, including ruby-zoisite, ammolite and maw-sit-sit. From here, you can use our filters at the top or on the left-hand side to find gems by gem type, color, shape, cut and so on. For example, select 'tourmaline' to see all of our 15-carat tourmaline gems. Select 'multicolor' to shop for 15-carat multicolor gems. You can also filter by single, pairs, lots, faceted gems or cabochons by using the check boxes at the top.
Read All

Over 19 Years in the Gemstone Business!

Thank you for trusting us with your purchase!

Overall Rating -> 7 star ratings

I feel pretty good so far, pending the delivery of the item ordered.

Posted By Steve in November, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

I loved the opportunity to shop on a website that I could trust 👍

Posted By Will J. Lover in September, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience! First time buyer

Posted By Todi89 in February, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

My first purchase went well. I will purchase more gems in the future.

Posted By NoHalalAl in March, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

An it was good.

Posted By Miguel in June, 2023
Source: Bizrate

Overall Rating -> 9 star ratings

I am of the opinion that the company gem select cares about the product beautiful gems it sells and the cost of the gem I purchased was small i was treated as if it cost a lot of money and product was described in detail and i felt good about the little stones i had ordered.

Posted By Sparkle in March, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

purchased birthstones to be mounted into stud earrings as a gift for a friend's gift

Posted By MI photo in May, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

I have started a small gem brokerage. I find stones to meet clients needs. Gemselect has helped me find what people what.

Posted By Pirates Bounty in April, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

The website is easy to navigate and has a great selection. I am an amateur silver smith casting jewelry with stones

Posted By Jrplunk in April, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I have had and will always have a great time shopping at GemSelect. It's a great web site with great products and great service.

Posted By Apps in November, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

was just windowshopping and spotted a couple "Very Uncommons", a tsavorite & a demantoid garnet that were both in a size I was looking for, & that I could very easily pay for -- so figured I would grab the tsavo ASAP and got the demantoid to accompany so they wouldn't be lonely.

Posted By Kittypie070 in April, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

i love this site, the gems are always of good quality, i've been buy gifts from the site for 10 years, love it

Posted By Jf in January, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

It was simple and clear to understand.

Posted By Thora007 in December, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

great. thank you

Posted By Carrotroller in July, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

Great Job today! No issues!

Posted By Samlovesgems777 in August, 2023
Source: Bizrate
STAY IN TOUCH | NEWSLETTER
*You're signing up to receive GemSelect promotional email.
Partners and Trust Payment options

Switch to Mobile Version

Copyright © 2005-2024 GemSelect.com all rights reserved.

Reproduction (text or graphics) without the express written consent of GemSelect.com (SETT Company Ltd.) is strictly prohibited.

1716

Continue Shopping
Checkout
Continue Shopping
Checkout