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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (71): Ruby Gems from Madagascar Ruby, Star Ruby Clear All
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ID: 4256361 pcs
1.71ct Ruby
7.79mm x 5.86mm x 4.07mm
USD 34.20
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ID: 4255842 pcs
2.45ctw Ruby
7.06mm x 5.11mm x 3.53mm
USD 49.00
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ID: 4258851 pcs
1.16ct Ruby
6.83mm x 5.04mm x 3.71mm
USD 23.20
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ID: 4215001 pcs
1.73ct Ruby
7.74mm x 6.07mm x 4.00mm
USD 34.60
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ID: 4260841 pcs
1.48ct Ruby
7.88mm x 5.90mm x 3.47mm
USD 29.60
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ID: 4212112 pcs
2.18ctw Ruby
7.06mm x 4.86mm x 3.38mm
USD 43.60
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ID: 4215501 pcs
1.32ct Ruby
6.98mm x 5.12mm x 3.99mm
USD 26.40
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ID: 4211331 pcs
1.81ct Ruby
7.97mm x 6.05mm x 4.12mm
USD 36.20
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ID: 4214941 pcs
1.80ct Ruby
7.94mm x 5.83mm x 4.25mm
USD 36.00
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ID: 4258821 pcs
1.45ct Ruby
7.09mm x 5.14mm x 4.22mm
USD 29.00
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ID: 4215391 pcs
1.39ct Ruby
7.00mm x 5.24mm x 3.87mm
USD 27.80
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ID: 4212952 pcs
2.07ctw Ruby
6.81mm x 5.11mm x 3.11mm
USD 41.40
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ID: 4213701 pcs
1.72ct Ruby
7.67mm x 5.81mm x 4.27mm
USD 34.40
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ID: 4213271 pcs
1.99ct Ruby
7.98mm x 5.91mm x 4.36mm
USD 39.80
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ID: 4213711 pcs
1.94ct Ruby
7.99mm x 6.11mm x 4.19mm
USD 38.80
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ID: 4259831 pcs
1.35ct Ruby
7.13mm x 5.12mm x 3.74mm
USD 27.00
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ID: 4212162 pcs
2.43ctw Ruby
7.04mm x 5.35mm x 3.05mm
USD 48.60
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ID: 4211401 pcs
1.93ct Ruby
7.82mm x 5.89mm x 4.42mm
USD 38.60
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ID: 4213321 pcs
1.72ct Ruby
7.73mm x 6.05mm x 4.16mm
USD 34.40
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ID: 4211471 pcs
1.83ct Ruby
7.59mm x 6.06mm x 4.49mm
USD 36.60
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ID: 4214741 pcs
1.42ct Ruby
7.19mm x 5.29mm x 4.08mm
USD 28.40
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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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Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

Select gems by size, not by weight!
Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

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