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25.34 ct Black Spinel, 17.7 x 8.2 mm Baguette Rose Cut From Thailand, Photo A

25.34 ct Black Spinel, 17.7 x 8.2 mm Baguette Rose Cut From Thailand

Spinel

25.34ct total2 pcs
$ 182.95
17.7 x 8.2 mm
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2.61 carat Oval Ruby, loose Certified Ruby from Madagascar, Natural Gems, 7.1 x 5.1 mm, Photo A
Click for Product Video (683548)

2.61 carat Oval Ruby, loose Certified Ruby from Madagascar, Natural Gems, 7.1 x 5.1 mm

Ruby

2.61ct total2 pcs
$ 261.00
7.1 x 5.1 mm
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5.35 ct Yellow Quartz, 12 mm Round Concave Cut From Brazil, Photo A

5.35 ct Yellow Quartz, 12 mm Round Concave Cut From Brazil

Quartz

5.35ct1 pc
$ 29.43
12 mm
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2.08 carat Yellow Citrine, Trillion loose Citrine from Brazil, Natural Untreated Gem, 9.1 x 9.1 mm, Photo A

2.08 carat Yellow Citrine, Trillion loose Citrine from Brazil, Natural Untreated Gem, 9.1 x 9.1 mm

Citrine

2.08ct1 pc
$ 16.02
9.1 x 9.1 mm
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1.08 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 6.1 x 5 mm, Photo A

1.08 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 6.1 x 5 mm

Citrine

1.08ct1 pc
$ 7.13
6.1 x 5 mm
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2.7 ct Red Andesine Labradorite, 8 x 6.2 mm Oval Cut From Congo, Photo A

2.7 ct Red Andesine Labradorite, 8 x 6.2 mm Oval Cut From Congo

Andesine Labradorite

2.70ct total2 pcs
$ 32.67
8 x 6.2 mm
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2.56 ct Fancy Fire Agate, 10 x 8.3 mm From Mexico, Photo A

2.56 ct Fancy Fire Agate, 10 x 8.3 mm From Mexico

Fire Agate

2.56ct1 pc
$ 21.77
10 x 8.3 mm
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1.69 ct Yellow Sphene, 7.3 x 6.1 mm Oval Cut From Sri Lanka, Photo A

1.69 ct Yellow Sphene, 7.3 x 6.1 mm Oval Cut From Sri Lanka

Sphene

1.69ct1 pc
$ 8.45
7.3 x 6.1 mm
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5.11 ct Red Andesine Labradorite, 10.2 x 8.2 mm Oval Cut From Congo, Photo A

5.11 ct Red Andesine Labradorite, 10.2 x 8.2 mm Oval Cut From Congo

Andesine Labradorite

5.11ct total2 pcs
$ 67.45
10.2 x 8.2 mm
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2.91 ct Yellow Sillimanite, 8 x 6.1 mm Oval Cut From Sri Lanka, Photo A

2.91 ct Yellow Sillimanite, 8 x 6.1 mm Oval Cut From Sri Lanka

Sillimanite

2.91ct total2 pcs
$ 112.04
8 x 6.1 mm
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1.24 ct Yellow Sphene, 6.2 x 5.8 mm Oval Cut From Sri Lanka, Photo A

1.24 ct Yellow Sphene, 6.2 x 5.8 mm Oval Cut From Sri Lanka

Sphene

1.24ct1 pc
$ 6.82
6.2 x 5.8 mm
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5.34 ct Marquise Concave Cut Smoky Quartz, 18 x 7.1 mm From Brazil, Photo A

5.34 ct Marquise Concave Cut Smoky Quartz, 18 x 7.1 mm From Brazil

Smoky Quartz

5.34ct total2 pcs
$ 32.04
18 x 7.1 mm
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11.6 ct Oval Cut Strawberry Quartz, 16.9 x 12.9 mm From Russia, Photo A

11.6 ct Oval Cut Strawberry Quartz, 16.9 x 12.9 mm From Russia

Strawberry Quartz

11.60ct1 pc
$ 86.64
16.9 x 12.9 mm
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3.49 carat Round Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 9.9 mm, Photo A

3.49 carat Round Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 9.9 mm

Amethyst

3.49ct1 pc
$ 26.87
9.9 mm
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0.58 carat Blue Sapphire, Cushion loose Sapphire from Madagascar, Natural Gem, 5.2 x 4.2 mm, Photo A

0.58 carat Blue Sapphire, Cushion loose Sapphire from Madagascar, Natural Gem, 5.2 x 4.2 mm

Sapphire

0.58ct1 pc
$ 46.40
5.2 x 4.2 mm
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7.56 ct Loose Oval Agate, 12.5 x 10.8 mm From Indonesia, Photo A

7.56 ct Loose Oval Agate, 12.5 x 10.8 mm From Indonesia

Agate

7.56ct1 pc
$ 12.85
12.5 x 10.8 mm
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1.37 carat Blue Topaz, Marquise-Cut loose Topaz from Brazil, Natural Gem, 9.7 x 5 mm, Photo A

1.37 carat Blue Topaz, Marquise-Cut loose Topaz from Brazil, Natural Gem, 9.7 x 5 mm

Topaz

1.37ct1 pc
$ 10.96
9.7 x 5 mm
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27.63 ct Yellow Quartz, 25.9 x 24.2 mm Carved From Brazil, Photo A

27.63 ct Yellow Quartz, 25.9 x 24.2 mm Carved From Brazil

Quartz

27.63ct1 pc
$ 91.18
25.9 x 24.2 mm
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0.76 ct Loose White Sapphire, 4.4 mm Diamond Cut From Madagascar, Photo A

0.76 ct Loose White Sapphire, 4.4 mm Diamond Cut From Madagascar

Sapphire

0.76ct total2 pcs
$ 100.65
4.4 mm
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1.7 carat Diamond Demantoid Garnet, loose Certified Demantoid Garnet from Namibia, Natural Untreated Gems, 3.1 mm, Photo A

1.7 carat Diamond Demantoid Garnet, loose Certified Demantoid Garnet from Namibia, Natural Untreated Gems, 3.1 mm

Demantoid Garnet

1.70ct total10 pcs
$ 74.80
3.1 mm
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1.24 carat Heart Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 5.2 x 5.1 mm, Photo A

1.24 carat Heart Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 5.2 x 5.1 mm

Pyrope Garnet

1.24ct total2 pcs
$ 29.76
5.2 x 5.1 mm
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8.47 carat Round Opal, loose Certified Opal from Ethiopia, Natural Untreated Gems, 10 mm, Photo A

8.47 carat Round Opal, loose Certified Opal from Ethiopia, Natural Untreated Gems, 10 mm

Opal

8.47ct total4 pcs
$ 237.16
10 mm
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7.68 carat Sky Blue Topaz, Marquise Cut loose Topaz from Brazil, Natural Gems, 13.9 x 8.1 mm, Photo A

7.68 carat Sky Blue Topaz, Marquise Cut loose Topaz from Brazil, Natural Gems, 13.9 x 8.1 mm

Topaz

7.68ct total2 pcs
$ 54.32
13.9 x 8.1 mm
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1.18 ct Oval Black Opal, 9 x 7 mm From Ethiopia, Photo A

1.18 ct Oval Black Opal, 9 x 7 mm From Ethiopia

Black Opal

1.18ct1 pc
$ 31.15
9 x 7 mm
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12.26 ct White Quartz, 15.2 x 15 mm Asscher Cut From Brazil, Photo A

12.26 ct White Quartz, 15.2 x 15 mm Asscher Cut From Brazil

Quartz

12.26ct1 pc
$ 40.46
15.2 x 15 mm
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3.24 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gem, 8.1 x 6.2 mm, Photo A

3.24 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gem, 8.1 x 6.2 mm

Zircon

3.24ct1 pc
$ 88.07
8.1 x 6.2 mm
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4.03 carat Blue Green Grandidierite, Pear Shape loose Grandidierite from Madagascar, Natural Untreated Gem, 11.4 x 9.5 mm, Photo A
Click for Product Video (547735)

4.03 carat Blue Green Grandidierite, Pear Shape loose Grandidierite from Madagascar, Natural Untreated Gem, 11.4 x 9.5 mm

Grandidierite

4.03ct1 pc
$ 120.90
11.4 x 9.5 mm
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1.11 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 10.5 x 3.8 mm, Photo A

1.11 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 10.5 x 3.8 mm

Tourmaline

1.11ct1 pc
$ 27.75
10.5 x 3.8 mm
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1.75 ct Yellow Beryl, 9.1 x 6.9 mm Oval Cut From Madagascar, Photo A

1.75 ct Yellow Beryl, 9.1 x 6.9 mm Oval Cut From Madagascar

Beryl

1.75ct1 pc
$ 35.00
9.1 x 6.9 mm
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5.57 carat Pink Kunzite, Pear Shape loose Kunzite from Afghanistan, Natural Untreated Gem, 12.9 x 8.7 mm, Photo A

5.57 carat Pink Kunzite, Pear Shape loose Kunzite from Afghanistan, Natural Untreated Gem, 12.9 x 8.7 mm

Kunzite

5.57ct1 pc
$ 153.90
12.9 x 8.7 mm
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1.42 ct Baguette Cut Color-Change Diaspore, 9.4 x 4.6 mm From Turkey, Photo A

1.42 ct Baguette Cut Color-Change Diaspore, 9.4 x 4.6 mm From Turkey

Color-Change Diaspore

1.42ct1 pc
$ 74.27
9.4 x 4.6 mm
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4.42 ct Loose Oval Star Ruby, 9.9 x 7.7 mm From Madagascar, Photo A

4.42 ct Loose Oval Star Ruby, 9.9 x 7.7 mm From Madagascar

Star Ruby

4.42ct1 pc
$ 70.72
9.9 x 7.7 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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