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4.12 carat Green Sapphire, Cushion loose Sapphire from Madagascar, Natural Gem, 10.1 x 9.1 mm, Photo A
Click for Product Video (458372)

4.12 carat Green Sapphire, Cushion loose Sapphire from Madagascar, Natural Gem, 10.1 x 9.1 mm

Sapphire

4.12ct1 pc
$ 2,481.27
10.1 x 9.1 mm
View Details
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6.65 ct Oval Checkerboard Idocrase, 15 x 11.2 mm From the United States, Photo A
Click for Product Video (502122)

6.65 ct Oval Checkerboard Idocrase, 15 x 11.2 mm From the United States

Idocrase

6.65ct1 pc
$ 749.42
15 x 11.2 mm
View Details
Add to Cart
5.02 carat Blue Aquamarine, Oval loose Aquamarine from India, Natural Untreated Gem, 12.6 x 9.5 mm, Photo A
Click for Product Video (412449)

5.02 carat Blue Aquamarine, Oval loose Aquamarine from India, Natural Untreated Gem, 12.6 x 9.5 mm

Aquamarine

5.02ct1 pc
$ 960.83
12.6 x 9.5 mm
View Details
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1.48 ct Brown Diamond, 6.3 x 6.2 mm Cushion Cut From South Africa, Photo A
Click for Product Video (460452)

1.48 ct Brown Diamond, 6.3 x 6.2 mm Cushion Cut From South Africa

Diamond

1.48ct1 pc
$ 3,108.00
6.3 x 6.2 mm
View Details
Add to Cart
7.27 carat Blue Green Aquamarine, Pear Shape loose Aquamarine from India, Natural Untreated Gem, 20.9 x 8.4 mm, Photo A
Click for Product Video (388955)

7.27 carat Blue Green Aquamarine, Pear Shape loose Aquamarine from India, Natural Untreated Gem, 20.9 x 8.4 mm

Aquamarine

7.27ct1 pc
$ 1,454.00
20.9 x 8.4 mm
View Details
Add to Cart
6.48 carat Pear Shape Idocrase, loose Certified Idocrase from the United States, Natural Untreated Gem, 12.9 x 9.9 mm, Photo A
Click for Product Video (502119)

6.48 carat Pear Shape Idocrase, loose Certified Idocrase from the United States, Natural Untreated Gem, 12.9 x 9.9 mm

Idocrase

6.48ct1 pc
$ 730.27
12.9 x 9.9 mm
View Details
Add to Cart
10.84 ct Oval Cut Color-Change Diaspore, 14.7 x 12.4 mm From Turkey, Photo A
Click for Product Video (381562)

10.84 ct Oval Cut Color-Change Diaspore, 14.7 x 12.4 mm From Turkey

Color-Change Diaspore

10.84ct1 pc
$ 4,100.33
14.7 x 12.4 mm
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4.81 carat Blue Green Apatite, Pear Shape loose Apatite from Madagascar, Natural Gem, 17.6 x 8.3 mm, Photo A
Click for Product Video (714851)

4.81 carat Blue Green Apatite, Pear Shape loose Apatite from Madagascar, Natural Gem, 17.6 x 8.3 mm

Apatite

4.81ct1 pc
$ 962.00
17.6 x 8.3 mm
View Details
Add to Cart
4.9 carat Blue Sapphire, Octagon / Scissor Cut loose Sapphire from Sri Lanka, Natural Gem, 11.7 x 7.1 mm, Photo A
Click for Product Video (487099)

4.9 carat Blue Sapphire, Octagon / Scissor Cut loose Sapphire from Sri Lanka, Natural Gem, 11.7 x 7.1 mm

Sapphire

4.90ct1 pc
$ 8,144.24
11.7 x 7.1 mm
View Details
Add to Cart
4.24 carat Blue Sapphire, Pear Shape loose Sapphire from Sri Lanka, Natural Gem, 11.4 x 9.4 mm, Photo A
Click for Product Video (714724)

4.24 carat Blue Sapphire, Pear Shape loose Sapphire from Sri Lanka, Natural Gem, 11.4 x 9.4 mm

Sapphire

4.24ct1 pc
$ 4,240.00
11.4 x 9.4 mm
View Details
Add to Cart
5.72 carat Blue Zircon, Round loose Zircon from Cambodia, Natural Gem, 8.8 mm, Photo A
Click for Product Video (459804)

5.72 carat Blue Zircon, Round loose Zircon from Cambodia, Natural Gem, 8.8 mm

Zircon

5.72ct1 pc
$ 755.04
8.8 mm
View Details
Add to Cart
4.05 carat Blue Sapphire, Oval loose Sapphire from Sri Lanka, Natural Gem, 10.3 x 8.5 mm, Photo A
Click for Product Video (714727)

4.05 carat Blue Sapphire, Oval loose Sapphire from Sri Lanka, Natural Gem, 10.3 x 8.5 mm

Sapphire

4.05ct1 pc
$ 4,050.00
10.3 x 8.5 mm
View Details
Add to Cart
3.76 carat Blue Sapphire, Octagon / Scissor Cut loose Sapphire from Sri Lanka, Natural Gem, 11.5 x 6.5 mm, Photo A
Click for Product Video (439697)

3.76 carat Blue Sapphire, Octagon / Scissor Cut loose Sapphire from Sri Lanka, Natural Gem, 11.5 x 6.5 mm

Sapphire

3.76ct1 pc
$ 7,520.00
11.5 x 6.5 mm
View Details
Add to Cart
3.62 carat Pear Shape Peridot, loose Certified Peridot from Myanmar, Natural Untreated Gem, 12.2 x 8.1 mm, Photo A
Click for Product Video (443112)

3.62 carat Pear Shape Peridot, loose Certified Peridot from Myanmar, Natural Untreated Gem, 12.2 x 8.1 mm

Peridot

3.62ct1 pc
$ 596.86
12.2 x 8.1 mm
View Details
Add to Cart
4.25 carat Blue Sapphire, Oval loose Sapphire from Sri Lanka, Natural Gem, 10.9 x 8.9 mm, Photo A
Click for Product Video (714733)

4.25 carat Blue Sapphire, Oval loose Sapphire from Sri Lanka, Natural Gem, 10.9 x 8.9 mm

Sapphire

4.25ct1 pc
$ 4,250.00
10.9 x 8.9 mm
View Details
Add to Cart
2.08 carat Emerald Cut Emerald, loose Certified Emerald from Zambia, Natural Gem, 8.3 x 6.5 mm, Photo A
Click for Product Video (459478)

2.08 carat Emerald Cut Emerald, loose Certified Emerald from Zambia, Natural Gem, 8.3 x 6.5 mm

Emerald

2.08ct1 pc
$ 3,744.00
8.3 x 6.5 mm
View Details
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13.98 ct Blue Green Grandidierite, 16.5 x 13.7 mm Oval Cut From Madagascar, Photo A
Click for Product Video (470658)

13.98 ct Blue Green Grandidierite, 16.5 x 13.7 mm Oval Cut From Madagascar

Grandidierite

13.98ct1 pc
$ 7,689.00
16.5 x 13.7 mm
View Details
Add to Cart
4.81 carat Blue Sapphire, Pear Shape loose Sapphire from Sri Lanka, Natural Gem, 10.3 x 9.8 mm, Photo A
Click for Product Video (487101)

4.81 carat Blue Sapphire, Pear Shape loose Sapphire from Sri Lanka, Natural Gem, 10.3 x 9.8 mm

Sapphire

4.81ct1 pc
$ 8,794.12
10.3 x 9.8 mm
View Details
Add to Cart
3.6 carat Pear Shape Peridot, loose Certified Peridot from Myanmar, Natural Untreated Gem, 11.6 x 8.7 mm, Photo A
Click for Product Video (443108)

3.6 carat Pear Shape Peridot, loose Certified Peridot from Myanmar, Natural Untreated Gem, 11.6 x 8.7 mm

Peridot

3.60ct1 pc
$ 593.56
11.6 x 8.7 mm
View Details
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4.06 carat Brown Tourmaline, Cushion loose Tourmaline from Mozambique, Natural Untreated Gem, 8.9 x 8.3 mm, Photo A
Click for Product Video (417489)

4.06 carat Brown Tourmaline, Cushion loose Tourmaline from Mozambique, Natural Untreated Gem, 8.9 x 8.3 mm

Tourmaline

4.06ct1 pc
$ 669.90
8.9 x 8.3 mm
View Details
Add to Cart
1.58 carat Pear Shape Emerald, loose Certified Emerald from Colombia, Natural Gem, 8.8 x 6.9 mm, Photo A
Click for Product Video (422644)

1.58 carat Pear Shape Emerald, loose Certified Emerald from Colombia, Natural Gem, 8.8 x 6.9 mm

Emerald

1.58ct1 pc
$ 1,738.00
8.8 x 6.9 mm
View Details
Add to Cart
5.24 carat Blue Zircon, Oval loose Zircon from Cambodia, Natural Gem, 9.4 x 7.6 mm, Photo A
Click for Product Video (487228)

5.24 carat Blue Zircon, Oval loose Zircon from Cambodia, Natural Gem, 9.4 x 7.6 mm

Zircon

5.24ct1 pc
$ 576.40
9.4 x 7.6 mm
View Details
Add to Cart
1.1 ct Loose Purple Sapphire, 7.3 x 5.1 mm Cushion Cut From Tanzania, Photo A
Click for Product Video (447843)

1.1 ct Loose Purple Sapphire, 7.3 x 5.1 mm Cushion Cut From Tanzania

Sapphire

1.10ct1 pc
$ 582.42
7.3 x 5.1 mm
View Details
Add to Cart
4.74 carat Green Sapphire, Oval loose Sapphire from Madagascar, Natural Gem, 11.4 x 9.2 mm, Photo A
Click for Product Video (458374)

4.74 carat Green Sapphire, Oval loose Sapphire from Madagascar, Natural Gem, 11.4 x 9.2 mm

Sapphire

4.74ct1 pc
$ 2,595.15
11.4 x 9.2 mm
View Details
Add to Cart
1.64 ct Brown Diamond, 6.7 x 6 mm Cushion Cut From South Africa, Photo A
Click for Product Video (460450)

1.64 ct Brown Diamond, 6.7 x 6 mm Cushion Cut From South Africa

Diamond

1.64ct1 pc
$ 3,788.40
6.7 x 6 mm
View Details
Add to Cart
11.89 carat Blue Aquamarine, Baguette Cut loose Aquamarine from Madagascar, Natural Untreated Gem, 16.8 x 9.9 mm, Photo A
Click for Product Video (450372)

11.89 carat Blue Aquamarine, Baguette Cut loose Aquamarine from Madagascar, Natural Untreated Gem, 16.8 x 9.9 mm

Aquamarine

11.89ct1 pc
$ 3,269.75
16.8 x 9.9 mm
View Details
Add to Cart
1.36 ct Brown Diamond, 5.9 x 5.5 mm Octagon Cut From South Africa, Photo A
Click for Product Video (460454)

1.36 ct Brown Diamond, 5.9 x 5.5 mm Octagon Cut From South Africa

Diamond

1.36ct1 pc
$ 3,141.60
5.9 x 5.5 mm
View Details
Add to Cart
17.33 carat Blue Green Grandidierite, Pear Shape loose Grandidierite from Madagascar, Natural Untreated Gem, 17.6 x 16.4 mm, Photo A
Click for Product Video (470657)

17.33 carat Blue Green Grandidierite, Pear Shape loose Grandidierite from Madagascar, Natural Untreated Gem, 17.6 x 16.4 mm

Grandidierite

17.33ct1 pc
$ 9,531.50
17.6 x 16.4 mm
View Details
Add to Cart
0.98 carat Purple Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Untreated Gem, 6.6 x 5.3 mm, Photo A
Click for Product Video (447704)

0.98 carat Purple Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Untreated Gem, 6.6 x 5.3 mm

Sapphire

0.98ct1 pc
$ 518.88
6.6 x 5.3 mm
View Details
Add to Cart
3.32 carat Blue Zircon, Round loose Zircon from Cambodia, Natural Gem, 7.5 mm, Photo A
Click for Product Video (445053)

3.32 carat Blue Zircon, Round loose Zircon from Cambodia, Natural Gem, 7.5 mm

Zircon

3.32ct1 pc
$ 361.55
7.5 mm
View Details
Add to Cart
7 carat Blue Aquamarine, Emerald Cut loose Aquamarine from Madagascar, Natural Untreated Gem, 15.4 x 7.5 mm, Photo A
Click for Product Video (467815)

7 carat Blue Aquamarine, Emerald Cut loose Aquamarine from Madagascar, Natural Untreated Gem, 15.4 x 7.5 mm

Aquamarine

7.00ct1 pc
$ 1,386.00
15.4 x 7.5 mm
View Details
Add to Cart
7.34 ct Yellow Apatite, 14.7 x 11.6 mm Oval Cut From Madagascar, Photo A
Click for Product Video (385927)

7.34 ct Yellow Apatite, 14.7 x 11.6 mm Oval Cut From Madagascar

Apatite

7.34ct1 pc
$ 389.17
14.7 x 11.6 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
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Overall Rating -> 10 star ratings

great. thank you

Posted By Carrotroller in July, 2023
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Overall Rating -> 10 star ratings

Interested in unusual stones and found many that I purchased or will purchase in the near future. I have been a customer of gem select for almost ten years and have always been pleased with buying experience and the delivered product

Posted By Fairhope Pete in December, 2023
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Overall Rating -> 10 star ratings

The gem stone always has a great selection of beautiful stones. The calibrated stone fit my ring perfectly. Thank you gem select !

Posted By Jen in August, 2023
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Overall Rating -> 10 star ratings

Very pleased with shopping on this site. It's easy to navigate and information about gemstones is very good.

Posted By Kate in December, 2023
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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
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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 -> 10 star ratings

The gems were as described, which is kind of rare these days. I am happy with the purchase, and delevery on time.

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Overall Rating -> 10 star ratings

Overall, the whole process was just great.

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Overall Rating -> 10 star ratings

I love GemSelect, photos and details are great.

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Overall Rating -> 10 star ratings

Selection and purchasing online was very easy

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Overall Rating -> 7 star ratings

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

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Overall Rating -> 9 star ratings

It was simple and clear to understand.

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Overall Rating -> 10 star ratings

Easy to use website, made it very easy to buy. Will shop here again.

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