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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (152): Ruby Gems from Madagascar Ruby, Star Ruby Clear All
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ID: 4664501 pcs
thumb image of 1.2ct Oval Facet Red Ruby (ID: 466450)
1.20 ct Ruby
7 x 5.1 mm
$ 27.60
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ID: 4664341 pcs
thumb image of 1.2ct Oval Facet Red Ruby (ID: 466434)
1.21 ct Ruby
7.1 x 5.1 mm
$ 27.83
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ID: 4665581 pcs
thumb image of 1.2ct Oval Facet Red Ruby (ID: 466558)
1.21 ct Ruby
6.7 x 4.9 mm
$ 27.83
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ID: 4645921 pcs
thumb image of 5.5ct Oval Facet Red Ruby (ID: 464592)
5.53 ct Ruby
10.8 x 9 mm
$ 221.20
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ID: 4666511 pcs
thumb image of 1.2ct Oval Facet Red Ruby (ID: 466651)
1.23 ct Ruby
7 x 5.1 mm
$ 28.29
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ID: 4665761 pcs
thumb image of 1.2ct Oval Facet Red Ruby (ID: 466576)
1.23 ct Ruby
6.8 x 5 mm
$ 28.29
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ID: 4648501 pcs
thumb image of 3.7ct Oval Facet Red Ruby (ID: 464850)
3.74 ct Ruby
10 x 8.1 mm
$ 112.20
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ID: 4686061 pcs
thumb image of 7.6ct Oval Cabochon Purplish Red Star Ruby (ID: 468606)
7.64 ct Star Ruby
11.7 x 9.9 mm
$ 53.48
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ID: 4666521 pcs
thumb image of 1.3ct Oval Facet Red Ruby (ID: 466652)
1.25 ct Ruby
6.9 x 5.1 mm
$ 28.75
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ID: 4686141 pcs
thumb image of 4.7ct Oval Cabochon Purplish Red Star Ruby (ID: 468614)
4.74 ct Star Ruby
9.6 x 8.3 mm
$ 52.14
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ID: 4686681 pcs
thumb image of 5.1ct Oval Cabochon Purplish Red Star Ruby (ID: 468668)
5.13 ct Star Ruby
10 x 9.1 mm
$ 56.43
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ID: 4666561 pcs
thumb image of 1.3ct Oval Facet Red Ruby (ID: 466656)
1.25 ct Ruby
7.1 x 5.2 mm
$ 28.75
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ID: 4686041 pcs
thumb image of 6.2ct Oval Cabochon Purplish Red Star Ruby (ID: 468604)
6.15 ct Star Ruby
10 x 8.6 mm
$ 67.65
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ID: 4686101 pcs
thumb image of 5.6ct Round Cabochon Purplish Red Star Ruby (ID: 468610)
5.61 ct Star Ruby
9.1 mm
$ 61.71
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ID: 4685471 pcs
thumb image of 4.2ct Round Cabochon Purplish Red Star Ruby (ID: 468547)
4.21 ct Star Ruby
8.8 mm
$ 46.31
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ID: 4686121 pcs
thumb image of 6.9ct Round Cabochon Purplish Red Star Ruby (ID: 468612)
6.93 ct Star Ruby
10 mm
$ 76.23
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ID: 4663211 pcs
thumb image of 1.1ct Oval Facet Red Ruby (ID: 466321)
1.08 ct Ruby
7.2 x 5.3 mm
$ 30.24
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ID: 4686131 pcs
thumb image of 4.2ct Oval Cabochon Purplish Red Star Ruby (ID: 468613)
4.15 ct Star Ruby
9.6 x 7.6 mm
$ 45.65
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ID: 4685511 pcs
thumb image of 4.4ct Oval Cabochon Purplish Red Star Ruby (ID: 468551)
4.38 ct Star Ruby
9 x 7.9 mm
$ 48.18
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ID: 4666491 pcs
thumb image of 1.3ct Oval Facet Red Ruby (ID: 466649)
1.33 ct Ruby
7 x 5.1 mm
$ 30.59
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ID: 4686661 pcs
thumb image of 4.1ct Oval Cabochon Purplish Red Star Ruby (ID: 468666)
4.06 ct Star Ruby
9.4 x 8.2 mm
$ 44.66
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Ruby Gems from Madagascar
With a hardness of 9 on the Mohs scale, rubies are made up of corundum , the second hardest natural material known to man. Red gem-quality corundum is traded as natural ruby, while all other colors are traded as sapphire. The name 'corundum' was derived from the ancient Sanskrit word 'kuruvindam'. Ruby is sourced from many regions of the world, including Afghanistan, Australia, Brazil, India, Cambodia, Kenya, Thailand, Myanmar (Burma), Sri Lanka (Ceylon), Tanzania, Malawi, Mozambique, Nepal, Pakistan, Zimbabwe, Tajikistan, the USA, Vietnam and Madagascar. Madagascar is one of the newer sources for ruby gemstones.

Madagascar is located approximately 400 km off the coast of Southeast Africa, and as of recent times, it has become one of the most important sources for fine-quality colored gemstones , particularly ruby and sapphire. Historically, Madagascar's economy was fueled by agriculture, but around the early 1990s, gemstone mining began to become commercialized. Shortly after in 1998, an enormous sapphire deposit was discovered in the tiny village of Ilakaka, which came as a complete surprise and led to a gemstone-fever reminiscent of the mid-19th century gold rush in California. In fact, Madagascar is believed to have some of the richest untapped gemstone reserves in the world.

The two important ruby deposits of Madagascar are located in the eastern regions of Vatomandry and Andilamena. The first rubies from Andilamena were discovered in October of 2000, but they were not well-received by the general public owed to the poor quality of material, which lacked transparency and most were rather dark. In January 2001, better quality rubies were discovered and weeks later, there were nearly 40,000 miners actively working in the Andilamena area. Rubies from this region were found in well-formed tabular crystals with slightly rounded edges, averaging around 2-3 carats each. In addition to fine ruby and sapphire, a large variety of other gemstone types have been discovered in Madagascar, including fine tourmaline, aquamarine, emerald, garnet, chrysoberyl, alexandrite, topaz, andalusite, apatite, kyanite, zircon, amethyst and citrine.
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