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64 carat Cushion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 26.6 x 24.4 mm, Photo A
Click for Product Video (638837)

64 carat Cushion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 26.6 x 24.4 mm

Amethyst

64.00ct1 pc
$ 448.00
26.6 x 24.4 mm
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0.51 carat Orange Citrine, Marquise Cut loose Citrine from Brazil, Natural Untreated Gem, 7.9 x 4.1 mm, Photo A

0.51 carat Orange Citrine, Marquise Cut loose Citrine from Brazil, Natural Untreated Gem, 7.9 x 4.1 mm

Citrine

0.51ct1 pc
$ 3.06
7.9 x 4.1 mm
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13.04 ct Loose Round Agate, 13.6 mm From Indonesia, Photo A

13.04 ct Loose Round Agate, 13.6 mm From Indonesia

Agate

13.04ct1 pc
$ 22.17
13.6 mm
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27.82 ct Oval Agate, 19.7 x 15.4 mm From Indonesia, Photo A

27.82 ct Oval Agate, 19.7 x 15.4 mm From Indonesia

Agate

27.82ct1 pc
$ 22.26
19.7 x 15.4 mm
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1.24 ct Loose Round Pietersite, 6.7 mm From Namibia, Photo A

1.24 ct Loose Round Pietersite, 6.7 mm From Namibia

Pietersite

1.24ct1 pc
$ 3.01
6.7 mm
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1.01 ct Cushion Cut Color-Change Diaspore, 10.9 x 3.8 mm From Turkey, Photo A

1.01 ct Cushion Cut Color-Change Diaspore, 10.9 x 3.8 mm From Turkey

Color-Change Diaspore

1.01ct1 pc
$ 35.55
10.9 x 3.8 mm
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2.95 ct Oval Prehnite, 10.5 x 7.9 mm From South Africa, Photo A

2.95 ct Oval Prehnite, 10.5 x 7.9 mm From South Africa

Prehnite

2.95ct1 pc
$ 8.77
10.5 x 7.9 mm
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4.06 carat White Topaz, Round loose Topaz from Brazil, Natural Untreated Gem, 9.7 mm, Photo A

4.06 carat White Topaz, Round loose Topaz from Brazil, Natural Untreated Gem, 9.7 mm

Topaz

4.06ct1 pc
$ 31.26
9.7 mm
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0.52 ct Loose Yellow Sapphire, 4.1 x 4.1 mm Square Cut From Tanzania, Photo A

0.52 ct Loose Yellow Sapphire, 4.1 x 4.1 mm Square Cut From Tanzania

Sapphire

0.52ct1 pc
$ 28.37
4.1 x 4.1 mm
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5.12 carat Brown Hessonite Garnet, Oval loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 12.8 x 10 mm, Photo A

5.12 carat Brown Hessonite Garnet, Oval loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 12.8 x 10 mm

Hessonite Garnet

5.12ct1 pc
$ 28.16
12.8 x 10 mm
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8.48 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 6.1 x 4.2 mm, Photo A

8.48 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 6.1 x 4.2 mm

Zircon

8.48ct total10 pcs
$ 55.97
6.1 x 4.2 mm
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1.08 carat Pear Shape Chrysoberyl, loose Certified Chrysoberyl from Sri Lanka, Natural Untreated Gem, 7.8 x 5.2 mm, Photo A

1.08 carat Pear Shape Chrysoberyl, loose Certified Chrysoberyl from Sri Lanka, Natural Untreated Gem, 7.8 x 5.2 mm

Chrysoberyl

1.08ct1 pc
$ 126.37
7.8 x 5.2 mm
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1.43 ct Yellow Beryl, 6.9 x 5 mm Oval Cut From Madagascar, Photo A

1.43 ct Yellow Beryl, 6.9 x 5 mm Oval Cut From Madagascar

Beryl

1.43ct total2 pcs
$ 28.00
6.9 x 5 mm
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1.45 ct Green Sphene, 6.8 x 6.2 mm Oval Cut From Sri Lanka, Photo A

1.45 ct Green Sphene, 6.8 x 6.2 mm Oval Cut From Sri Lanka

Sphene

1.45ct1 pc
$ 7.98
6.8 x 6.2 mm
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0.56 ct Loose Pink Sapphire, 5 x 3.1 mm Oval Cut From Tanzania, Photo A

0.56 ct Loose Pink Sapphire, 5 x 3.1 mm Oval Cut From Tanzania

Sapphire

0.56ct total2 pcs
$ 48.99
5 x 3.1 mm
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1.14 carat Purple Spinel, Pear Shape loose Spinel from Tanzania, Natural Untreated Gem, 7.9 x 5.3 mm, Photo A

1.14 carat Purple Spinel, Pear Shape loose Spinel from Tanzania, Natural Untreated Gem, 7.9 x 5.3 mm

Spinel

1.14ct1 pc
$ 122.27
7.9 x 5.3 mm
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2.51 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 6.1 x 4.1 mm, Photo A

2.51 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 6.1 x 4.1 mm

Amethyst

2.51ct total6 pcs
$ 13.81
6.1 x 4.1 mm
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4.22 ct Multicolor Spectrolite, 10.1 x 8.2 mm Oval Cut From Finland, Photo A

4.22 ct Multicolor Spectrolite, 10.1 x 8.2 mm Oval Cut From Finland

Spectrolite

4.22ct total2 pcs
$ 19.96
10.1 x 8.2 mm
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41.55 carat Pear Bloodstone, loose Certified Bloodstone from Madagascar, Natural Untreated Gem, 36.6 x 27.2 mm, Photo A

41.55 carat Pear Bloodstone, loose Certified Bloodstone from Madagascar, Natural Untreated Gem, 36.6 x 27.2 mm

Bloodstone

41.55ct1 pc
$ 18.70
36.6 x 27.2 mm
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0.55 ct Loose Yellow Sapphire, 5 x 4.8 mm Heart Cut From Tanzania, Photo A

0.55 ct Loose Yellow Sapphire, 5 x 4.8 mm Heart Cut From Tanzania

Sapphire

0.55ct1 pc
$ 16.50
5 x 4.8 mm
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2.41 ct Red Agate, 7.6 x 6 mm Oval Cut From India, Photo A

2.41 ct Red Agate, 7.6 x 6 mm Oval Cut From India

Agate

2.41ct total2 pcs
$ 5.30
7.6 x 6 mm
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0.61 carat London Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 6 x 4 mm, Photo A

0.61 carat London Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 6 x 4 mm

Topaz

0.61ct1 pc
$ 4.88
6 x 4 mm
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0.26 ct Orange Sphalerite, 3.5 mm Round Cut From Spain, Photo A

0.26 ct Orange Sphalerite, 3.5 mm Round Cut From Spain

Sphalerite

0.26ct1 pc
$ 13.00
3.5 mm
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8.49 carat Swiss Blue Topaz, Marquise-Cut loose Topaz from Brazil, Natural Gems, 14 x 8 mm, Photo A

8.49 carat Swiss Blue Topaz, Marquise-Cut loose Topaz from Brazil, Natural Gems, 14 x 8 mm

Topaz

8.49ct total2 pcs
$ 60.05
14 x 8 mm
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1.5 ct Oval Cut Fire Opal, 8.6 x 7.3 mm From Mexico, Photo A

1.5 ct Oval Cut Fire Opal, 8.6 x 7.3 mm From Mexico

Fire Opal

1.50ct1 pc
$ 55.08
8.6 x 7.3 mm
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2.52 ct Cushion Cut Peridot, 8.9 x 6.9 mm From Myanmar, Photo A

2.52 ct Cushion Cut Peridot, 8.9 x 6.9 mm From Myanmar

Peridot

2.52ct1 pc
$ 99.24
8.9 x 6.9 mm
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2.23 carat Yellow Citrine, Trillion loose Citrine from Brazil, Natural Untreated Gem, 9 x 8.6 mm, Photo A

2.23 carat Yellow Citrine, Trillion loose Citrine from Brazil, Natural Untreated Gem, 9 x 8.6 mm

Citrine

2.23ct1 pc
$ 17.17
9 x 8.6 mm
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5.66 ct Oval Black Opal, 15.6 x 11.6 mm From Ethiopia, Photo A

5.66 ct Oval Black Opal, 15.6 x 11.6 mm From Ethiopia

Black Opal

5.66ct1 pc
$ 169.80
15.6 x 11.6 mm
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0.71 carat London Blue Topaz, Square loose Topaz from Brazil, Natural Gem, 4.9 x 4.8 mm, Photo A

0.71 carat London Blue Topaz, Square loose Topaz from Brazil, Natural Gem, 4.9 x 4.8 mm

Topaz

0.71ct1 pc
$ 4.97
4.9 x 4.8 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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1.44 carat Oval Opal, loose Certified Opal from Australia, Natural Untreated Gem, 10.2 x 7.9 mm, Photo A

1.44 carat Oval Opal, loose Certified Opal from Australia, Natural Untreated Gem, 10.2 x 7.9 mm

Opal

1.44ct1 pc
$ 36.00
10.2 x 7.9 mm
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2.36 ct Loose Baguette Labradorite, 8.9 x 6.9 mm From Madagascar, Photo A

2.36 ct Loose Baguette Labradorite, 8.9 x 6.9 mm From Madagascar

Labradorite

2.36ct1 pc
$ 3.26
8.9 x 6.9 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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