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CORUNDUM

The most important of the gem families, corundum provides us with two of the best-known stones: ruby and sapphire. The popularity and price of these gemstones remain strong due to the beauty, durability and versatility of the material. Ruby & Sapphire all fall under the corundum family. Ruby is corundum that has a purplish bluish-red to yellow-red color. The finest color is pure red with a hint of blue, as seen in glowing coal or red of a traffic light. Sapphire is more abundant than ruby because its coloring agents(impurities) are more common than those of ruby. The most valuable color is blue.
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Showing 1–18 of 84 results
0.37 Carat Purple Pink Natural Burmese Ruby Loose Gemstone
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SKU: ruby-gem-106

BARCODE: 4993483192576

AVAILABILITY: In stock (1 item)

PRODUCT TYPE: Loose Gemstones

VENDOR: Modern Gem Jewelry

This is truly one fine loose Natural Pink Ruby from the mines in Burma. Perfectly cut and polished and would make a very beautiful 18K/14/9K ruby engagement ring or even a fantastic pendant.  Details Gem: Natural RubyCountry of Origin: BurmaWeight: 0.37caratsClarity: VSCut:  Cushion Colour: Purplish...

$350.00
1.07 Carats Pink Beautiful Natural Sapphire Gemstone Oval Shape
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SKU: S527

BARCODE: 4993483192255

AVAILABILITY: In stock (1 item)

PRODUCT TYPE: Loose Gemstones

VENDOR: Modern Gem Jewelry

Gemstone Information Gemstone Stone Type: Natural Sapphire Gemstone Color: Pink Gemstone Weight: 1.07 Carats Gemstone Cut: Oval Gemstone Clarity: SI Gemstone Dimension  5mm x 7.1mm Gemstone Treatment: Heated Number of Stones: 1 Modern Gem Item#: S527

$210.00
0.96 Carats Pear Cut Natural Pink Sapphire Gemstone | 5.2mm x 7.2mm
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SKU: S528

BARCODE: 4993493100868

AVAILABILITY: In stock (1 item)

PRODUCT TYPE: Loose Gemstones

VENDOR: Modern Gem Jewelry

Gemstone Information Gemstone Stone Type: Natural Sapphire Gemstone Color: Pink Gemstone Weight: 0.96 Carats Gemstone Cut: Pear Gemstone Clarity: SI Gemstone Dimension  5.2mm x7.2mm Gemstone Treatment: Heated Number of Stones: 1 Modern Gem Item#: S528

$80.00
0.99 Carats Pear Cut Natural Pink Sapphire Gemstone | 5.6mm x7.3mm
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SKU: S526

BARCODE: 4993493100851

AVAILABILITY: In stock (1 item)

PRODUCT TYPE: Loose Gemstones

VENDOR: Modern Gem Jewelry

Gemstone Information Gemstone Stone Type: Natural Sapphire Gemstone Color: Pink Gemstone Weight: 1.09 Carats Gemstone Cut: Pear Gemstone Clarity: SI Gemstone Dimension  5.6mm x7.3mm Gemstone Treatment: Heated Number of Stones: 1 Modern Gem Item#: S526

$100.00
1.09 Carats Natural Sapphire Gem Oval Shape | 5mm x 7mm
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SKU: S525

BARCODE: 4993493100844

AVAILABILITY: In stock (1 item)

PRODUCT TYPE: Loose Gemstones

VENDOR: Modern Gem Jewelry

Gemstone Information Gemstone Stone Type: Natural Sapphire Gemstone Color: Pink Gemstone Weight: 1.09 Carats Gemstone Cut: Oval Gemstone Clarity: SI Gemstone Dimension  5mm x 7mm Gemstone Treatment: Heated Number of Stones: 1 Modern Gem Item#: S525

$230.00
0.89 Carats Oval Color Change Natural Sapphire Gem | 4.6mm x6.2mm
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SKU: S524

BARCODE: 4993483193870

AVAILABILITY: In stock (1 item)

PRODUCT TYPE: Loose Gemstones

VENDOR: Modern Gem Jewelry

Gemstone Information Gemstone Stone Type: Natural Sapphire Gemstone Color: Purple Pink Gemstone Weight: 0.84 Carats Gemstone Cut: Oval Gemstone Clarity: VS  Gemstone Dimension  4.6mm x 6.2mm Gemstone Treatment: Heated Number of Stones: 1 Modern Gem Item#: S524

$320.00
0.72 Carats Bright Pink Natural Sapphire Gem | 4mm x 6mm
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SKU: S523

BARCODE: 4993493100837

AVAILABILITY: In stock (1 item)

PRODUCT TYPE: Loose Gemstones

VENDOR: Modern Gem Jewelry

Gemstone Information Gemstone Stone Type: Natural Sapphire Gemstone Color: Pink Gemstone Weight: 0.74 Carats Gemstone Cut: Oval Gemstone Clarity: SI Gemstone Dimension  4mm x 6mm Gemstone Treatment: Heated Number of Stones: 1 Modern Gem Item#: S523

$290.00
1.01 Carats Natural Sapphire Gemstone Pear Cut | 4.2mm x 7.8mm
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SKU: S522

BARCODE: 4993493100820

AVAILABILITY: In stock (1 item)

PRODUCT TYPE: Loose Gemstones

VENDOR: Modern Gem Jewelry

Gemstone Information Gemstone Stone Type: Natural Sapphire Gemstone Color: Purpline Pink Gemstone Weight: 1.01 Carats Gemstone Cut: Pear  Gemstone Clarity: VS  Gemstone Dimension  4.2mm x 7.8mm Gemstone Treatment: Heated Number of Stones: 1 Modern Gem Item#: S522 A perfect &...

$345.00
0.64 Carats Natural Pink Sapphire Gemstone | 5.5mm x 4.8mm
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SKU: S521

BARCODE: 4993493100813

AVAILABILITY: In stock (1 item)

PRODUCT TYPE: Loose Gemstones

VENDOR: Modern Gem Jewelry

Gemstone Information Gemstone Stone Type: Natural Sapphire Gemstone Color: Pink Gemstone Weight: 0.64 Gemstone Cut: Oval Gemstone Clarity: VS  Gemstone Dimension  5.5mm x 4.8mm Gemstone Treatment: Heated Number of Stones: 1 Modern Gem Item#: S521

$110.00
0.9 Carats Purple Pink Natural Sapphire Oval Cut | 5mm x 7.1mm
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SKU: S520

BARCODE: 4993493100806

AVAILABILITY: In stock (1 item)

PRODUCT TYPE: Loose Gemstones

VENDOR: Modern Gem Jewelry

Gemstone Information Gemstone Stone Type: Natural Sapphire Gemstone Color: Purple/Pink Gemstone Weight: 0.9 carats Gemstone Cut: Oval Gemstone Clarity: VS  Gemstone Dimension  5mm x 7.1mm Gemstone Treatment: Heated Number of Stones: 1 Modern Gem Item#: S520 A perfect & beautiful...

$420.00
0.3 Carats Unheated Natural Ruby Gemstone Oval | 3.32mm x 4.41mm
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SKU: R42

BARCODE: 4993483198301

AVAILABILITY: In stock (1 item)

PRODUCT TYPE: Loose Gemstones

VENDOR: Modern Gem Jewelry

Gemstone Information Gemstone Stone Type: Natural Ruby Gemstone Gemstone Color: Red Gemstone Weight: 0.3 Carats Gemstone Dimension 4.19mm x 5.25mm Gemstone Cut: Oval / Mixed  Gemstone Clarity: VS - SI  Gemstone Treatment: Unheated Number of Stones: 1 Modern Gem Item#: R42...

$259.00
Untreated Natural Ruby Stone Pear Mixed Cut 1.31 Carats | 5.76mm x 7.70mm
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SKU: R41

BARCODE: 4993493100769

AVAILABILITY: Out of Stock

PRODUCT TYPE: Loose Gemstones

VENDOR: Modern Gem Jewelry

Gemstone Information Gemstone Stone Type: Natural Ruby Gemstone Gemstone Color: Red Gemstone Weight: 1.31 Carats Gemstone Dimension 5.76mm x 7.70mm Gemstone Cut: Pear  Gemstone Clarity: VS - SI  Gemstone Treatment: Unheated Number of Stones: 1 Modern Gem Item#: R41 Certificate MGJ...

$299.00
Purplish Red Unheated Ruby Stone 0.67 carats | 4.19mm x 5.25mm
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SKU: R40

BARCODE: 4993493100752

AVAILABILITY: In stock (1 item)

PRODUCT TYPE: Loose Gemstones

VENDOR: Modern Gem Jewelry

Gemstone Information Gemstone Stone Type: Natural Ruby Gemstone Gemstone Color: Red Gemstone Weight: 0.67 Carats Gemstone Dimension 4.19mm x 5.25mm Gemstone Cut: Oval / Mixed  Gemstone Clarity: VS - SI  Gemstone Treatment: Unheated Number of Stones: 1 Modern Gem Item#: R4...

$260.00
Unheated Oval Purplish Red Ruby Gemstone 0.46 Carats | 3.63mm x 5.79mm
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SKU: R39

BARCODE: 4993493100745

AVAILABILITY: In stock (1 item)

PRODUCT TYPE: Loose Gemstones

VENDOR: Modern Gem Jewelry

Gemstone Information Gemstone Stone Type: Natural Ruby Gemstone Gemstone Color: Red Gemstone Weight: 0.46 Carats Gemstone Dimension 3.63mm x 5.79mm Gemstone Cut: Oval Cut Gemstone Clarity: SI (Slightly Included) Gemstone Treatment: Unheated Number of Stones: 1 Modern Gem Item#: R39 Certificate...

$290.00
1.89 Carats Blue Natural Sapphire Gemstone Round Cut
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SKU: S568

BARCODE: 4993493100356

AVAILABILITY: Out of Stock

PRODUCT TYPE: Loose Gemstones

VENDOR: Modern Gem Jewelry

 This Beautiful Great Value Natural Sapphire Gemstone. Rich in color, clarity & cut. This gemstone displays a lot of life. Surely this would make a very fantastic piece.    Main Stone Natural Sapphire Brand Modern Gem Jewelry Gem Species Corundum Total Carat...

$400.00
Attractive 0.63 Carats Natural Ruby Gemstone Oval| 3.32 x 4.41 x 2.16mm
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SKU: R34

BARCODE: 4993483199018

AVAILABILITY: In stock (1 item)

PRODUCT TYPE: Loose Gemstones

VENDOR: Modern Gem Jewelry

This Beautiful Great Value Ruby Gemstone Displays A Rich Pure Red Color with Very Good Clarity, Cut And Life. A Beautiful Stone Of High Color, Calibrated In Size, Bright And Lively. A Great Value.   Main Stone Natural Ruby Brand Modern...

$240.00
Delightful Heart Shape Red 1.07 carats Natural Ruby Gemstone | 5.5 x 7.4mm
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SKU: R180

BARCODE: 4993483198950

AVAILABILITY: In stock (1 item)

PRODUCT TYPE: Loose Gemstones

VENDOR: Modern Gem Jewelry

This Beautiful Great Value Ruby Gemstone Displays A Rich Pure Red Color with Very Good Clarity, Cut And Life. A Beautiful Stone Of High Color, Calibrated In Size, Bright And Lively. A Great Value.   Main Stone Natural Ruby Brand Modern...

$599.00
CTW 2.14 Carats Blue Natural Sapphire Collection Oval Shape Gemstones
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SKU: S592

BARCODE: 4993483198929

AVAILABILITY: In stock (1 item)

PRODUCT TYPE: Loose Gemstones

VENDOR: Modern Gem Jewelry

 A collection of beautiful lively Natural Sapphire Gemstones. These pieces have very good clarity and rich color.    Main Stone Natural Sapphire Brand Modern Gem Jewelry Gem Species Corundum Total Carat Weight(TCW) 2.14 Shape Oval Treatment Not Enhanced Natural/Lab-Created Natural Color...

$120.00
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