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4.58 ct Orange Moonstone, 7.1 x 6.9 mm Square Cut From India, Photo A

4.58 ct Orange Moonstone, 7.1 x 6.9 mm Square Cut From India

Moonstone

4.58ct total2 pcs
$ 9.21
7.1 x 6.9 mm
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3.12 carat Trillion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 10.1 x 10 mm, Photo A

3.12 carat Trillion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 10.1 x 10 mm

Amethyst

3.12ct1 pc
$ 24.02
10.1 x 10 mm
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56.12 carat Pear Jasper, loose Certified Jasper from Indonesia, Natural Untreated Gem, 38.2 x 27.9 mm, Photo A

56.12 carat Pear Jasper, loose Certified Jasper from Indonesia, Natural Untreated Gem, 38.2 x 27.9 mm

Jasper

56.12ct1 pc
$ 27.78
38.2 x 27.9 mm
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1.07 ct Marquise Cut Color-Change Diaspore, 11.2 x 4.7 mm From Turkey, Photo A

1.07 ct Marquise Cut Color-Change Diaspore, 11.2 x 4.7 mm From Turkey

Color-Change Diaspore

1.07ct1 pc
$ 57.24
11.2 x 4.7 mm
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0.7 ct Loose Orange Sapphire, 4.9 mm Round Cut From Tanzania, Photo A

0.7 ct Loose Orange Sapphire, 4.9 mm Round Cut From Tanzania

Sapphire

0.70ct1 pc
$ 38.63
4.9 mm
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3.07 carat Heart Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 6 x 6.1 mm, Photo A

3.07 carat Heart Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 6 x 6.1 mm

Pyrope Garnet

3.07ct total4 pcs
$ 23.64
6 x 6.1 mm
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1.77 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 15.5 x 3.8 mm, Photo A

1.77 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 15.5 x 3.8 mm

Tourmaline

1.77ct1 pc
$ 37.93
15.5 x 3.8 mm
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1.29 carat Bi-color Sapphire, Cushion loose Sapphire from Madagascar, Natural Gem, 6.8 x 5.6 mm, Photo A

1.29 carat Bi-color Sapphire, Cushion loose Sapphire from Madagascar, Natural Gem, 6.8 x 5.6 mm

Sapphire

1.29ct1 pc
$ 129.00
6.8 x 5.6 mm
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1.73 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 17.3 x 3.4 mm, Photo A

1.73 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 17.3 x 3.4 mm

Tourmaline

1.73ct1 pc
$ 36.34
17.3 x 3.4 mm
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3.79 carat Yellow Citrine, Emerald Cut loose Citrine from Brazil, Natural Untreated Gem, 12 x 8.1 mm, Photo A

3.79 carat Yellow Citrine, Emerald Cut loose Citrine from Brazil, Natural Untreated Gem, 12 x 8.1 mm

Citrine

3.79ct1 pc
$ 26.53
12 x 8.1 mm
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5.17 ct Blue Star Sapphire, 7.2 mm Round Cut From Thailand, Photo A

5.17 ct Blue Star Sapphire, 7.2 mm Round Cut From Thailand

Star Sapphire

5.17ct total2 pcs
$ 98.23
7.2 mm
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3.09 ct Square Cut Rainbow Moonstone, 3.1 x 3 mm From Sri Lanka, Photo A

3.09 ct Square Cut Rainbow Moonstone, 3.1 x 3 mm From Sri Lanka

Rainbow Moonstone

3.09ct total20 pcs
$ 52.53
3.1 x 3 mm
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40.69 ct Cushion Charoite, 31.9 x 25.1 mm From Russia, Photo A

40.69 ct Cushion Charoite, 31.9 x 25.1 mm From Russia

Charoite

40.69ct1 pc
$ 67.16
31.9 x 25.1 mm
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20.01 carat Pear Howlite, loose Certified Howlite from the United States, Natural Untreated Gem, 24.7 x 19.9 mm, Photo A

20.01 carat Pear Howlite, loose Certified Howlite from the United States, Natural Untreated Gem, 24.7 x 19.9 mm

Howlite

20.01ct1 pc
$ 9.40
24.7 x 19.9 mm
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1.65 carat Violet Tanzanite, Round loose Tanzanite from Tanzania, Natural Gem, 7 mm, Photo A

1.65 carat Violet Tanzanite, Round loose Tanzanite from Tanzania, Natural Gem, 7 mm

Tanzanite

1.65ct1 pc
$ 13.20
7 mm
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0.55 ct Loose Purple Sapphire, 4.9 mm Round Cut From Kenya, Photo A

0.55 ct Loose Purple Sapphire, 4.9 mm Round Cut From Kenya

Sapphire

0.55ct1 pc
$ 69.53
4.9 mm
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2.09 carat Yellow Citrine, Square loose Citrine from Brazil, Natural Untreated Gems, 6.1 x 6.1 mm, Photo A

2.09 carat Yellow Citrine, Square loose Citrine from Brazil, Natural Untreated Gems, 6.1 x 6.1 mm

Citrine

2.09ct total2 pcs
$ 14.63
6.1 x 6.1 mm
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0.61 ct Loose Pink Sapphire, 2.2 x 2.2 mm Princess Cut From Tanzania, Photo A

0.61 ct Loose Pink Sapphire, 2.2 x 2.2 mm Princess Cut From Tanzania

Sapphire

0.61ct total7 pcs
$ 82.60
2.2 x 2.2 mm
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2.74 ct Pink Kunzite, 9.5 x 6.7 mm Odd Shaped From Afghanistan, Photo A

2.74 ct Pink Kunzite, 9.5 x 6.7 mm Odd Shaped From Afghanistan

Kunzite

2.74ct1 pc
$ 68.50
9.5 x 6.7 mm
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10.19 ct Loose Oval Malachite, 13.8 x 10.2 mm From Congo, Photo A

10.19 ct Loose Oval Malachite, 13.8 x 10.2 mm From Congo

Malachite

10.19ct1 pc
$ 7.85
13.8 x 10.2 mm
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2.19 carat Orange Hessonite Garnet, Square loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 6.8 x 6.8 mm, Photo A

2.19 carat Orange Hessonite Garnet, Square loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 6.8 x 6.8 mm

Hessonite Garnet

2.19ct1 pc
$ 48.18
6.8 x 6.8 mm
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0.68 ct Loose Pink Sapphire, 6.8 x 5.1 mm Oval Cut From Tanzania, Photo A

0.68 ct Loose Pink Sapphire, 6.8 x 5.1 mm Oval Cut From Tanzania

Sapphire

0.68ct1 pc
$ 62.46
6.8 x 5.1 mm
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5.4 ct Asscher Cut Smoky Quartz, 10.4 x 10.4 mm From Brazil, Photo A

5.4 ct Asscher Cut Smoky Quartz, 10.4 x 10.4 mm From Brazil

Smoky Quartz

5.40ct1 pc
$ 29.70
10.4 x 10.4 mm
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3.16 ct Loose Oval Malachite, 9.3 x 7.3 mm From Congo, Photo A

3.16 ct Loose Oval Malachite, 9.3 x 7.3 mm From Congo

Malachite

3.16ct1 pc
$ 2.43
9.3 x 7.3 mm
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15.79 ct Oval Agate, 16.7 x 14.1 mm From Indonesia, Photo A

15.79 ct Oval Agate, 16.7 x 14.1 mm From Indonesia

Agate

15.79ct1 pc
$ 12.63
16.7 x 14.1 mm
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5.94 carat Carved Heart Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 13.6 x 11.1 mm, Photo A

5.94 carat Carved Heart Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 13.6 x 11.1 mm

Amethyst

5.94ct1 pc
$ 29.70
13.6 x 11.1 mm
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4.8 ct Yellow Quartz, 11.7 x 11.7 mm Carved From Brazil, Photo A

4.8 ct Yellow Quartz, 11.7 x 11.7 mm Carved From Brazil

Quartz

4.80ct total2 pcs
$ 18.48
11.7 x 11.7 mm
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58 ct Brown Jasper, 30.5 x 26.2 mm Oval Cut From Indonesia, Photo A

58 ct Brown Jasper, 30.5 x 26.2 mm Oval Cut From Indonesia

Jasper

58.00ct1 pc
$ 29.99
30.5 x 26.2 mm
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5.5 ct Oval Prehnite, 8.9 x 7.7 mm From South Africa, Photo A

5.5 ct Oval Prehnite, 8.9 x 7.7 mm From South Africa

Prehnite

5.50ct total2 pcs
$ 35.63
8.9 x 7.7 mm
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29.38 carat Pear Dendritic Agate, loose Certified Dendritic Agate from India, Natural Untreated Gem, 34.4 x 21.1 mm, Photo A

29.38 carat Pear Dendritic Agate, loose Certified Dendritic Agate from India, Natural Untreated Gem, 34.4 x 21.1 mm

Dendritic Agate

29.38ct1 pc
$ 20.57
34.4 x 21.1 mm
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8.48 ct Ball Agate, 10.3 mm From Indonesia, Photo A

8.48 ct Ball Agate, 10.3 mm From Indonesia

Agate

8.48ct1 pc
$ 6.78
10.3 mm
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4.27 ct Black Star Sapphire, 9.2 x 7.6 mm Oval Cut From Thailand, Photo A

4.27 ct Black Star Sapphire, 9.2 x 7.6 mm Oval Cut From Thailand

Star Sapphire

4.27ct1 pc
$ 76.86
9.2 x 7.6 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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