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13.95 carat Bi-color Ametrine, Pear Concave Cut loose Ametrine from Brazil, Natural Untreated Gem, 20.1 x 14.3 mm, Photo A
Click for Product Video (676219)

13.95 carat Bi-color Ametrine, Pear Concave Cut loose Ametrine from Brazil, Natural Untreated Gem, 20.1 x 14.3 mm

Ametrine

13.95ct1 pc
$ 125.55
20.1 x 14.3 mm
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12.85 ct Loose Pink Kunzite, 16.7 x 11.2 mm Oval Cut From Afghanistan, Photo A

12.85 ct Loose Pink Kunzite, 16.7 x 11.2 mm Oval Cut From Afghanistan

Kunzite

12.85ct1 pc
$ 340.53
16.7 x 11.2 mm
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0.86 carat Teal Sapphire, Cushion loose Sapphire from Madagascar, Natural Gem, 5.5 x 4.7 mm, Photo A

0.86 carat Teal Sapphire, Cushion loose Sapphire from Madagascar, Natural Gem, 5.5 x 4.7 mm

Sapphire

0.86ct1 pc
$ 137.60
5.5 x 4.7 mm
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4.12 carat Sky Blue Topaz, Oval loose Topaz from Brazil, Natural Gems, 9.1 x 7.1 mm, Photo A

4.12 carat Sky Blue Topaz, Oval loose Topaz from Brazil, Natural Gems, 9.1 x 7.1 mm

Topaz

4.12ct total2 pcs
$ 31.72
9.1 x 7.1 mm
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1.05 carat Green Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gem, 8.2 x 6.1 mm, Photo A

1.05 carat Green Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gem, 8.2 x 6.1 mm

Tourmaline

1.05ct1 pc
$ 42.00
8.2 x 6.1 mm
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0.83 ct Octagon Cut Color-Change Diaspore, 5.9 x 4.7 mm From Turkey, Photo A

0.83 ct Octagon Cut Color-Change Diaspore, 5.9 x 4.7 mm From Turkey

Color-Change Diaspore

0.83ct1 pc
$ 30.95
5.9 x 4.7 mm
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1.96 ct Loose Briolette Sapphire, 4.9 mm From Madagascar, Photo A

1.96 ct Loose Briolette Sapphire, 4.9 mm From Madagascar

Sapphire

1.96ct total5 pcs
$ 147.40
4.9 x 3 mm
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2.71 carat White Topaz, Cushion loose Topaz from Brazil, Natural Untreated Gems, 4.6 x 4.5 mm, Photo A

2.71 carat White Topaz, Cushion loose Topaz from Brazil, Natural Untreated Gems, 4.6 x 4.5 mm

Topaz

2.71ct total6 pcs
$ 14.91
4.6 x 4.5 mm
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0.41 carat Pear Shape Emerald, loose Certified Emerald from Colombia, Natural Gem, 5.2 x 3.9 mm, Photo A

0.41 carat Pear Shape Emerald, loose Certified Emerald from Colombia, Natural Gem, 5.2 x 3.9 mm

Emerald

0.41ct1 pc
$ 32.80
5.2 x 3.9 mm
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1.37 carat Yellow Citrine, Emerald Cut loose Citrine from Brazil, Natural Untreated Gem, 12.1 x 4.2 mm, Photo A

1.37 carat Yellow Citrine, Emerald Cut loose Citrine from Brazil, Natural Untreated Gem, 12.1 x 4.2 mm

Citrine

1.37ct1 pc
$ 10.96
12.1 x 4.2 mm
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1.17 ct Green Sphene, 6.8 x 5.9 mm Oval Cut From Sri Lanka, Photo A

1.17 ct Green Sphene, 6.8 x 5.9 mm Oval Cut From Sri Lanka

Sphene

1.17ct1 pc
$ 6.44
6.8 x 5.9 mm
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19.66 ct Baguette Tiger's Eye, 20 x 14.9 mm From Thailand, Photo A

19.66 ct Baguette Tiger's Eye, 20 x 14.9 mm From Thailand

Tiger's Eye

19.66ct1 pc
$ 19.66
20 x 14.9 mm
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13.03 carat Pear Chalcedony, loose Certified Chalcedony from Brazil, Natural Untreated Gem, 26 x 13.7 mm, Photo A

13.03 carat Pear Chalcedony, loose Certified Chalcedony from Brazil, Natural Untreated Gem, 26 x 13.7 mm

Chalcedony

13.03ct1 pc
$ 32.58
26 x 13.7 mm
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1.17 ct Oval Chocolate Opal, 9.9 x 6.7 mm From Ethiopia, Photo A

1.17 ct Oval Chocolate Opal, 9.9 x 6.7 mm From Ethiopia

Chocolate Opal

1.17ct1 pc
$ 38.61
9.9 x 6.7 mm
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2.17 ct Orange Moonstone, 6.1 x 6.1 mm Cushion Cut From India, Photo A

2.17 ct Orange Moonstone, 6.1 x 6.1 mm Cushion Cut From India

Moonstone

2.17ct total2 pcs
$ 4.34
6.1 x 6.1 mm
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22.89 carat Swiss Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 20.1 x 15.1 mm, Photo A
Click for Product Video (480013)

22.89 carat Swiss Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 20.1 x 15.1 mm

Topaz

22.89ct1 pc
$ 187.58
20.1 x 15.1 mm
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0.62 ct Marquise Checkerboard Peridot, 7.6 x 4 mm From China, Photo A

0.62 ct Marquise Checkerboard Peridot, 7.6 x 4 mm From China

Peridot

0.62ct1 pc
$ 4.96
7.6 x 4 mm
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1.57 carat Heart Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 8.1 x 8 mm, Photo A

1.57 carat Heart Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 8.1 x 8 mm

Amethyst

1.57ct1 pc
$ 12.09
8.1 x 8 mm
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10.28 ct Loose Oval Bloodstone, 17.7 x 12.7 mm From Madagascar, Photo A

10.28 ct Loose Oval Bloodstone, 17.7 x 12.7 mm From Madagascar

Bloodstone

10.28ct1 pc
$ 15.42
17.7 x 12.7 mm
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21.82 ct Cushion Boulder Opal, 20.7 x 16.1 mm From Australia, Photo A
Click for Product Video (627639)

21.82 ct Cushion Boulder Opal, 20.7 x 16.1 mm From Australia

Boulder Opal

21.82ct1 pc
$ 168.01
20.7 x 16.1 mm
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3.7 carat Orange Hessonite Garnet, Emerald Cut loose Hessonite Garnet from Sri Lanka, Natural Untreated Gems, 6.5 x 4.8 mm, Photo A

3.7 carat Orange Hessonite Garnet, Emerald Cut loose Hessonite Garnet from Sri Lanka, Natural Untreated Gems, 6.5 x 4.8 mm

Hessonite Garnet

3.70ct total4 pcs
$ 81.40
6.5 x 4.8 mm
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3.96 ct Loose Trillion Pietersite, 13.1 x 12.3 mm From Namibia, Photo A

3.96 ct Loose Trillion Pietersite, 13.1 x 12.3 mm From Namibia

Pietersite

3.96ct1 pc
$ 9.62
13.1 x 12.3 mm
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1.12 ct Green Sphene, 6.2 x 5.5 mm Oval Cut From Sri Lanka, Photo A

1.12 ct Green Sphene, 6.2 x 5.5 mm Oval Cut From Sri Lanka

Sphene

1.12ct1 pc
$ 6.16
6.2 x 5.5 mm
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4.09 carat Green Sapphire, Oval loose Sapphire from Madagascar, Natural Gem, 10.7 x 8.2 mm, Photo A
Click for Product Video (458369)

4.09 carat Green Sapphire, Oval loose Sapphire from Madagascar, Natural Gem, 10.7 x 8.2 mm

Sapphire

4.09ct1 pc
$ 2,463.21
10.7 x 8.2 mm
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3.01 carat Red Zircon, Oval loose Zircon from Tanzania, Natural Untreated Gem, 8.9 x 6.7 mm, Photo A

3.01 carat Red Zircon, Oval loose Zircon from Tanzania, Natural Untreated Gem, 8.9 x 6.7 mm

Zircon

3.01ct1 pc
$ 154.66
8.9 x 6.7 mm
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0.8 carat London Blue Topaz, Square loose Topaz from Brazil, Natural Gem, 5 x 5 mm, Photo A

0.8 carat London Blue Topaz, Square loose Topaz from Brazil, Natural Gem, 5 x 5 mm

Topaz

0.80ct1 pc
$ 5.60
5 x 5 mm
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0.23 carat Oval Tsavorite Garnet, loose Certified Tsavorite Garnet from Tanzania, Natural Untreated Gem, 4.6 x 3.5 mm, Photo A

0.23 carat Oval Tsavorite Garnet, loose Certified Tsavorite Garnet from Tanzania, Natural Untreated Gem, 4.6 x 3.5 mm

Tsavorite Garnet

0.23ct1 pc
$ 11.50
4.6 x 3.5 mm
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4.57 ct Yellow Sillimanite, 8.9 x 6.9 mm Oval Cut From Sri Lanka, Photo A

4.57 ct Yellow Sillimanite, 8.9 x 6.9 mm Oval Cut From Sri Lanka

Sillimanite

4.57ct total2 pcs
$ 103.14
8.9 x 6.9 mm
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23.03 ct Cushion Fossil Coral, 18.5 x 10.9 mm From Indonesia, Photo A

23.03 ct Cushion Fossil Coral, 18.5 x 10.9 mm From Indonesia

Fossil Coral

23.03ct total2 pcs
$ 29.90
18.5 x 10.9 mm
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3.75 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 6 x 4 mm, Photo A

3.75 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 6 x 4 mm

Amethyst

3.75ct total10 pcs
$ 20.63
6 x 4 mm
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1.42 ct Oval Sillimanite Cat's Eye, 7.9 x 5.7 mm From Madagascar, Photo A

1.42 ct Oval Sillimanite Cat's Eye, 7.9 x 5.7 mm From Madagascar

Sillimanite Cat's Eye

1.42ct1 pc
$ 4.26
7.9 x 5.7 mm
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0.91 ct Oval Cut Peridot, 7.2 x 5.1 mm From China, Photo A

0.91 ct Oval Cut Peridot, 7.2 x 5.1 mm From China

Peridot

0.91ct1 pc
$ 6.37
7.2 x 5.1 mm
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Photos are of Actual Products for Sale

Alexandrite is one of the rarest of all colored gemstones and is famed for its color change from green in daylight to red under incandescent light. Fine faceted alexandrite over 1 carat is more valuable than sapphire, ruby or emerald.

Alexandrite is a variety of chrysoberyl, with an excellent hardness of 8.5 on the Mohs scale, placing it right behind sapphire and ruby. Alexandrite is rare because of its chemical composition. Chrysoberyl is colored by traces iron and titanium, but alexandrite is also colored by chromium, which gives it the emerald green hue in daylight.

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