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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (96): Ruby Gems from Madagascar Ruby, Star Ruby Clear All
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ID: 4212102 pcs
2.09ctw Ruby
6.92mm x 5.04mm x 3.31mm
USD 41.80
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ID: 4213851 pcs
1.96ct Ruby
8.01mm x 6.09mm x 4.24mm
USD 39.20
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ID: 4259781 pcs
1.39ct Ruby
7.15mm x 5.16mm x 3.98mm
USD 27.80
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ID: 4259811 pcs
1.25ct Ruby
7.01mm x 4.95mm x 3.79mm
USD 25.00
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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: 4211401 pcs
1.93ct Ruby
7.82mm x 5.89mm x 4.42mm
USD 38.60
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ID: 4256311 pcs
1.88ct Ruby
8.01mm x 6.09mm x 4.20mm
USD 37.60
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ID: 4214151 pcs
1.34ct Ruby
7.74mm x 5.80mm x 3.28mm
USD 26.80
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ID: 4214671 pcs
2.08ct Ruby
7.89mm x 6.17mm x 4.68mm
USD 41.60
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ID: 4259851 pcs
1.22ct Ruby
6.99mm x 5.21mm x 3.60mm
USD 24.40
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ID: 4212591 pcs
2.04ct Ruby
8.10mm x 6.11mm x 4.31mm
USD 40.80
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ID: 4214971 pcs
1.69ct Ruby
7.67mm x 6.00mm x 3.90mm
USD 33.80
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ID: 4213251 pcs
1.73ct Ruby
7.62mm x 5.91mm x 4.23mm
USD 34.60
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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: 4259761 pcs
1.11ct Ruby
6.75mm x 4.81mm x 3.57mm
USD 22.20
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ID: 4213671 pcs
1.84ct Ruby
7.88mm x 5.85mm x 4.32mm
USD 36.80
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ID: 4213311 pcs
1.87ct Ruby
7.84mm x 6.07mm x 4.12mm
USD 37.40
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ID: 4215031 pcs
1.77ct Ruby
7.79mm x 6.01mm x 4.27mm
USD 35.40
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ID: 4213331 pcs
1.98ct Ruby
7.98mm x 6.12mm x 4.43mm
USD 39.60
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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: 4213681 pcs
1.66ct Ruby
7.62mm x 6.06mm x 3.97mm
USD 33.20
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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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