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12.03 carat Blue Tanzanite, Cushion loose Tanzanite from Tanzania, Natural Gem, 13.1 x 12.8 mm, Photo A
Click for Product Video (378197)

12.03 carat Blue Tanzanite, Cushion loose Tanzanite from Tanzania, Natural Gem, 13.1 x 12.8 mm

Tanzanite

12.03ct1 pc
$ 6,123.75
13.1 x 12.8 mm
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3.61 carat Green Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gem, 10.4 x 8.9 mm, Photo A
Click for Product Video (446218)

3.61 carat Green Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gem, 10.4 x 8.9 mm

Tourmaline

3.61ct1 pc
$ 433.20
10.4 x 8.9 mm
View Details
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4.97 carat Green Sphene, Pear Shape loose Sphene from Sri Lanka, Natural Untreated Gem, 11.3 x 9.7 mm, Photo A
Click for Product Video (380599)

4.97 carat Green Sphene, Pear Shape loose Sphene from Sri Lanka, Natural Untreated Gem, 11.3 x 9.7 mm

Sphene

4.97ct1 pc
$ 536.91
11.3 x 9.7 mm
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2.96 carat Emerald Cut Emerald, loose Certified Emerald from Zambia, Natural Gem, 9.4 x 7.7 mm, Photo A
Click for Product Video (459476)

2.96 carat Emerald Cut Emerald, loose Certified Emerald from Zambia, Natural Gem, 9.4 x 7.7 mm

Emerald

2.96ct1 pc
$ 6,186.40
9.4 x 7.7 mm
View Details
Add to Cart
1.63 carat Oval Emerald, loose Certified Emerald from Zambia, Natural Gem, 8.9 x 6.8 mm, Photo A
Click for Product Video (299260)

1.63 carat Oval Emerald, loose Certified Emerald from Zambia, Natural Gem, 8.9 x 6.8 mm

Emerald

1.63ct1 pc
$ 1,792.99
8.9 x 6.8 mm
View Details
Add to Cart
3.24 carat Pear Shape Color-Change Diaspore, loose Certified Color-Change Diaspore from Turkey, Natural Untreated Gem, 11.3 x 7.9 mm, Photo A
Click for Product Video (390226)

3.24 carat Pear Shape Color-Change Diaspore, loose Certified Color-Change Diaspore from Turkey, Natural Untreated Gem, 11.3 x 7.9 mm

Color-Change Diaspore

3.24ct1 pc
$ 891.00
11.3 x 7.9 mm
View Details
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2.47 carat Oval Emerald, loose Certified Emerald from Zambia, Natural Gem, 10 x 7.9 mm, Photo A
Click for Product Video (403272)

2.47 carat Oval Emerald, loose Certified Emerald from Zambia, Natural Gem, 10 x 7.9 mm

Emerald

2.47ct1 pc
$ 8,824.43
10 x 7.9 mm
View Details
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7.5 ct Orange Sapphire, 11.6 x 10.7 mm Oval Cut From Thailand, Photo A
Click for Product Video (398769)

7.5 ct Orange Sapphire, 11.6 x 10.7 mm Oval Cut From Thailand

Sapphire

7.50ct1 pc
$ 2,475.00
11.6 x 10.7 mm
View Details
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16.8 carat Blue Zircon, Emerald Cut loose Zircon from Cambodia, Natural Gem, 17 x 9.4 mm, Photo A
Click for Product Video (337548)

16.8 carat Blue Zircon, Emerald Cut loose Zircon from Cambodia, Natural Gem, 17 x 9.4 mm

Zircon

16.80ct1 pc
$ 5,586.72
17 x 9.4 mm
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1.81 ct Brown Diamond, 7.7 mm Diamond Cut From South Africa, Photo A
Click for Product Video (378645)

1.81 ct Brown Diamond, 7.7 mm Diamond Cut From South Africa

Diamond

1.81ct1 pc
$ 4,706.00
7.7 mm
View Details
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2.38 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 9.7 x 8.3 mm, Photo A
Click for Product Video (714587)

2.38 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 9.7 x 8.3 mm

Emerald

2.38ct1 pc
$ 11,900.00
9.7 x 8.3 mm
View Details
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6.96 carat Orange Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gem, 11.4 x 10.3 mm, Photo A
Click for Product Video (704357)

6.96 carat Orange Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gem, 11.4 x 10.3 mm

Tourmaline

6.96ct1 pc
$ 762.47
11.4 x 10.3 mm
View Details
Add to Cart
4.07 carat Blue Sapphire, Oval loose Sapphire from Sri Lanka, Natural Gem, 8.9 x 7.8 mm, Photo A
Click for Product Video (487095)

4.07 carat Blue Sapphire, Oval loose Sapphire from Sri Lanka, Natural Gem, 8.9 x 7.8 mm

Sapphire

4.07ct1 pc
$ 6,764.71
8.9 x 7.8 mm
View Details
Add to Cart
4.89 ct Cushion Cut Color-Change Diaspore, 13.4 x 9.1 mm From Turkey, Photo A
Click for Product Video (391063)

4.89 ct Cushion Cut Color-Change Diaspore, 13.4 x 9.1 mm From Turkey

Color-Change Diaspore

4.89ct1 pc
$ 1,613.70
13.4 x 9.1 mm
View Details
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5.23 carat Blue Zircon, Oval loose Zircon from Cambodia, Natural Gem, 9.4 x 7.8 mm, Photo A
Click for Product Video (487226)

5.23 carat Blue Zircon, Oval loose Zircon from Cambodia, Natural Gem, 9.4 x 7.8 mm

Zircon

5.23ct1 pc
$ 575.30
9.4 x 7.8 mm
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13.71 ct Yellow Apatite, 14.9 x 14 mm Cushion Cut From Madagascar, Photo A
Click for Product Video (407302)

13.71 ct Yellow Apatite, 14.9 x 14 mm Cushion Cut From Madagascar

Apatite

13.71ct1 pc
$ 568.55
14.9 x 14 mm
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5.46 carat Blue Zircon, Oval loose Zircon from Cambodia, Natural Gem, 8.4 x 7.8 mm, Photo A
Click for Product Video (327751)

5.46 carat Blue Zircon, Oval loose Zircon from Cambodia, Natural Gem, 8.4 x 7.8 mm

Zircon

5.46ct1 pc
$ 864.86
8.4 x 7.8 mm
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2.09 ct Brown Diamond, 6.6 x 6.5 mm Square Cut From South Africa, Photo A
Click for Product Video (382090)

2.09 ct Brown Diamond, 6.6 x 6.5 mm Square Cut From South Africa

Diamond

2.09ct1 pc
$ 4,901.26
6.6 x 6.5 mm
View Details
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2 carat Oval Ruby, loose Certified Ruby from Mozambique, Natural Untreated Gem, 9.2 x 7.3 mm, Photo A

2 carat Oval Ruby, loose Certified Ruby from Mozambique, Natural Untreated Gem, 9.2 x 7.3 mm

Ruby

2.00ct1 pc
$ 12,283.78
9.2 x 7.3 mm
View Details
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16.18 carat Pink Kunzite, Pear Shape loose Kunzite from Afghanistan, Natural Untreated Gem, 15.2 x 14.1 mm, Photo A
Click for Product Video (438050)

16.18 carat Pink Kunzite, Pear Shape loose Kunzite from Afghanistan, Natural Untreated Gem, 15.2 x 14.1 mm

Kunzite

16.18ct1 pc
$ 355.96
15.2 x 14.1 mm
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2.9 carat Emerald Cut Emerald, loose Certified Emerald from Zambia, Natural Gem, 8.6 x 7.2 mm, Photo A
Click for Product Video (459475)

2.9 carat Emerald Cut Emerald, loose Certified Emerald from Zambia, Natural Gem, 8.6 x 7.2 mm

Emerald

2.90ct1 pc
$ 6,061.00
8.6 x 7.2 mm
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1.03 ct Loose Purple Sapphire, 6.7 x 5.2 mm Cushion Cut From Tanzania, Photo A
Click for Product Video (447774)

1.03 ct Loose Purple Sapphire, 6.7 x 5.2 mm Cushion Cut From Tanzania

Sapphire

1.03ct1 pc
$ 545.36
6.7 x 5.2 mm
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27.85 ct Blue Green Grandidierite, 15.8 x 25 mm Odd Shaped From Madagascar, Photo A
Click for Product Video (470656)

27.85 ct Blue Green Grandidierite, 15.8 x 25 mm Odd Shaped From Madagascar

Grandidierite

27.85ct1 pc
$ 13,925.00
15.8 x 25 mm
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10.88 carat Emerald Cut Emerald, loose Certified Emerald from Colombia, Natural Gem, 14.7 x 12.7 mm, Photo A
Click for Product Video (345358)

10.88 carat Emerald Cut Emerald, loose Certified Emerald from Colombia, Natural Gem, 14.7 x 12.7 mm

Emerald

10.88ct1 pc
$ 10,879.99
14.7 x 12.7 mm
View Details
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6.71 ct Yellow Apatite, 12.5 mm Round Cut From Madagascar, Photo A
Click for Product Video (447317)

6.71 ct Yellow Apatite, 12.5 mm Round Cut From Madagascar

Apatite

6.71ct1 pc
$ 184.23
12.5 mm
View Details
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40.56 carat Blue Aquamarine, Emerald Cut loose Aquamarine from Mozambique, Natural Untreated Gem, 22 x 17.5 mm, Photo A
Click for Product Video (264265)

40.56 carat Blue Aquamarine, Emerald Cut loose Aquamarine from Mozambique, Natural Untreated Gem, 22 x 17.5 mm

Aquamarine

40.56ct1 pc
$ 12,995.00
22 x 17.5 mm
View Details
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5.07 carat Blue Zircon, Oval loose Zircon from Cambodia, Natural Gem, 9.1 x 7.9 mm, Photo A
Click for Product Video (487518)

5.07 carat Blue Zircon, Oval loose Zircon from Cambodia, Natural Gem, 9.1 x 7.9 mm

Zircon

5.07ct1 pc
$ 557.70
9.1 x 7.9 mm
View Details
Add to Cart
2.31 carat Green Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gem, 8.3 x 6.8 mm, Photo A
Click for Product Video (441226)

2.31 carat Green Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gem, 8.3 x 6.8 mm

Tourmaline

2.31ct1 pc
$ 231.00
8.3 x 6.8 mm
View Details
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3.88 ct Cushion Cut Color-Change Diaspore, 21.1 x 4.9 mm From Turkey, Photo A
Click for Product Video (400536)

3.88 ct Cushion Cut Color-Change Diaspore, 21.1 x 4.9 mm From Turkey

Color-Change Diaspore

3.88ct1 pc
$ 970.00
21.1 x 4.9 mm
View Details
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1.68 ct Brown Diamond, 7.5 x 5.6 mm Octagon Cut From South Africa, Photo A
Click for Product Video (382055)

1.68 ct Brown Diamond, 7.5 x 5.6 mm Octagon Cut From South Africa

Diamond

1.68ct1 pc
$ 2,865.28
7.5 x 5.6 mm
View Details
Add to Cart
7.65 carat Blue Aquamarine, Emerald Cut loose Aquamarine from Madagascar, Natural Untreated Gem, 16 x 8.4 mm, Photo A
Click for Product Video (415530)

7.65 carat Blue Aquamarine, Emerald Cut loose Aquamarine from Madagascar, Natural Untreated Gem, 16 x 8.4 mm

Aquamarine

7.65ct1 pc
$ 1,530.00
16 x 8.4 mm
View Details
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5.96 carat Blue Sapphire, Oval loose Sapphire from Sri Lanka, Natural Gem, 12.1 x 9.9 mm, Photo A
Click for Product Video (439687)

5.96 carat Blue Sapphire, Oval loose Sapphire from Sri Lanka, Natural Gem, 12.1 x 9.9 mm

Sapphire

5.96ct1 pc
$ 18,356.80
12.1 x 9.9 mm
View Details
Add to Cart
Photos are of Actual Products for Sale

Top Grade Gemstones

Our Top Grade gemstone product page is reserved for the best of the best, when only the finest quality gemstone will do.

Although we pride ourselves on our huge inventory of colored gemstones numbering in the tens of thousands it can take time to search through our stock for just the gemstone you need.

So we have gathered together the cream of the crop to make it easier for you to find them. To make the grade, a gemstone needs to possess one or two important factors, such as:

  • Color - only well saturated and rare colored stones make the grade.
  • Clarity - top grade gemstones tend to have exceptional clarity although emeralds and rubies have internal flaws which can add to their charm.
  • Carat - size is not everything but our Top Grade gemstones feature some impressive carat weights.
  • Cut - all Top Grade gemstones will have skillful cuts that show off the gemstone's best qualities.
  • Rarity - some gemstones only come around once in a while
  • Origins - certain locations have become synonymous with high quality gemstones - Mogok Rubies or Colombian Emeralds for example

Some examples of Top Grade gemstones we have featured in this section are:

  • Rare and exotic Grandidierite from Madagascar
  • Large, brilliant Zircons with a sparkle to beat a diamond
  • Stunning Deep Violet Blue Tanzanites
  • Very rare Imperial Topaz
  • Rose-pink Malaya Garnet
  • Champagne Diamonds
  • Enticing Emeralds

Of course at the apex of our Top Grade gemstones we have Asia's unsurpassed treasures, Rubies from Myanmar and Sapphires from Sri Lanka.

Remember, all the Top Grade gemstones you see on this page are available and ready to be shipped immediately. We never use stock or artificially enhanced photos - what you see is what will arrive at your door - guaranteed.

The Top Grade gemstones at GemSelect are all-natural gemstones - we do not buy or sell synthetic or lab-created gemstones.

Why buy Top Grade gemstones from GemSelect?

Our offices are located in Thailand which gives us access to the best quality gemstones from all parts of the world. It is estimated that 80% of the world's sapphires and rubies pass through our home town of Chanthaburi before reaching the jewelry stores of London, Paris, New York and other major cities.

We have traditional links stretching back centuries with neighboring ruby-rich Myanmar to the east and Cambodia, home to the best and most brilliant Zircons to the west. More recently, trade has developed with African gemstone powerhouses Mozambique, Tanzania and Madagascar which has lead to an amazing supply of top grade sapphires, aquamarines, garnets and tourmalines for us to choose from.

Read more about the gemstone market of Chanthaburi here

Why buy Top Grade Gemstones?

The most obvious reason to buy Top Grade gemstones is, of course, to make a beautiful item of jewelry. With the help of a jewelry maker or a jewelry designer you could create a one-of-a-kind piece that will be just a little bit more personal and meaningful. And, by the way, the money you save purchasing the loose gemstone from us will more than pay for the custom made jewelry.

The Top Grade gemstone could just become part of a very cherished collection of fine gemstones, kept in a display case or box.

Although Top Grade gemstones are not as easy or quick to exchange as gold or stocks they can be considered an investment when the very finest and rarest are bought.

What type of Gemstones are available as Top Grade Gemstones?

We have new supplies arriving everyday to replace purchased gemstones so the Top Grade gemstones are constantly being updated - check regularly to see what's new in stock.

What jewelry are Top Grade Gemstones suitable for?

All Top Grade gemstones would make exquisite jewelry items with rings or pendants being the obvious choice for most of the fine gemstones we have in stock.

Certain stones such as Apatite or Sphene may need protective setting when used as a ring because of their relative softness but skilled and imaginative designers will be able to create stunning jewelry pieces from each of these stones.

Get more information about gemstone hardness here

Are Top Grade Gemstones birthstones?

Yes, several gemstones typically featuring on our Top Grade product pages are birthstones - sapphires, emeralds, rubies, aquamarines, garnets, diamonds, tourmalines, tanzanites, opals, topaz and zircons for example.

See all the birthstones here

Read All

Over 19 Years in the Gemstone Business!

Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

I love your selection of gems. My only complaing is I wish I could put in a page number to return to that page.When there are over 60 pages of gems it is hard to return to a page with a gem I am considering.

Posted By Cahall in March, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Extremely easy to use, and I am fully satisfied with the purchase process.

Posted By Fl_Beachcomber in October, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

I purchase all of my stones from GemSelect! They're the best I've found for both selection and value.

Posted By Terry in June, 2023
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Overall Rating -> 9 star ratings

The selection and filtering is a little overwhelming, but that's only because there is so much to choose from.

Posted By Kasper in June, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to find the color gem I desired and checkout was simple as well. Very excited to receive my gemstone.

Posted By Nikki J in September, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

Excellent experience!

Posted By Steph in April, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

I had a great time searching all the lovely stones. This is my first precious loose stone purchase for my own work. I chose sapphire, and found some lovely briolettes. I wanted 3, but this set of 4 was perfect. Everything was quick and easy, and I'm excited.

Posted By Phoenix in February, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Perfect size I was looking for and great price

Posted By Izzy in September, 2023
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Overall Rating -> 10 star ratings

great. thank you

Posted By Carrotroller in July, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to navigate and I hope that the gem is as nice as the picture

Posted By 1 in April, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

So many gorgeous stones! The only "complaint" I have is it's difficult to visualize sizes in mm. Perhaps some way to compare in inches?It has been a long time since I bought stones from Gem select, but the process wasn't too difficult.

Posted By Ktreva52 in February, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I find the website user friendly.

Posted By Becky in August, 2023
Source: Bizrate

Overall Rating -> 8 star ratings

I did not realize how small the stone was. I cannot use it for the project I wanted, but I am keeping the stone and tru to use it in something else.

Posted By Mark in March, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection of various gems, easy to navigate site

Posted By Josh in August, 2023
Source: Bizrate

Overall Rating -> 9 star ratings

Good interaction with site

Posted By Brick in September, 2023
Source: Bizrate
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