Ruby is a pink to blood-red coloured gemstone, a variety of the mineral corundum (aluminium oxide). Other varieties of gem-quality corundum are called sapphires. Ruby is one of the traditional cardinal gems, together with amethyst, sapphire, emerald, and diamond. ... The world's most valuable ruby is the Sunrise Ruby. Shop any of our ruby loose gems now and even customize any 18K Engagement Ring/Pendants/Earrings etc. 

0.37 Carat Purple Pink Natural Burmese Ruby Loose Gemstone - Modern Gem Jewelry 0.37 Carat Purple Pink Natural Burmese Ruby Loose Gemstone - Modern Gem Jewelry
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Unheated Ruby Gemstone - Modern Gem Jewelry0.3 Carats Unheated Natural Ruby Gemstone Oval 3.32 x 4.41 x 2.16mm - Modern Gem Jewelry
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0.3 Carats Unheated Natural Ruby Gemstone Oval | 3.32mm x 4.41mm
$259.00
Pear Cut Ruby Gem | Modern Gem Jewelry Back of a pear shape ruby gemstone | Modern Gem Jewelry
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Untreated Natural Ruby Stone Pear Mixed Cut 1.31 Carats | 5.76mm x 7.70mm
$299.00 Sold out
Attractive Ruby Gem Unheated | Modern Gem JewelryPurple Read Oval Ruby Stone | Modern Gem Jewelry
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Purplish Red Unheated Ruby Stone 0.67 carats | 4.19mm x 5.25mm
$260.00
Unheated Ruby stone for sale | Modern Gem Jewelry Untreated  Ruby Gemstone Oval Shape | Modern Gem Jewelry
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Unheated Oval Purplish Red Ruby Gemstone 0.46 Carats | 3.63mm x 5.79mm
$290.00
Attractive 0.63 Carats  Natural Ruby Gemstone Oval|  3.32 x 4.41 x 2.16mm - Modern Gem Jewelry Attractive 0.63 Carats  Natural Ruby Gemstone Oval|  3.32 x 4.41 x 2.16mm - Modern Gem Jewelry
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Delightful Heart Shape Red 1.07 carats Natural Ruby Gemstone | 5.5 x 7.4mm - Modern Gem Jewelry Delightful Heart Shape Red 1.07 carats Natural Ruby Gemstone | 5.5 x 7.4mm - Modern Gem Jewelry
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1.81 Carats Cushion Cut Natural Ruby Gemstone 5.22mm x 5.43mm - Modern Gem Jewelry 1.81 Carats Cushion Cut Natural Ruby Gemstone 5.22mm x 5.43mm - Modern Gem Jewelry
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1.48 Carats Triangular Shape Natural Ruby Gemstone 8 x 7.02 x 3.03mm - Modern Gem Jewelry 1.48 Carats Triangular Shape Natural Ruby Gemstone 8 x 7.02 x 3.03mm - Modern Gem Jewelry
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0.51 Carats Lovely Natural Ruby Gemstone, Perfect For Ruby Engagement Ring - Modern Gem Jewelry 0.51 Carats Lovely Natural Ruby Gemstone, Perfect For Ruby Engagement Ring - Modern Gem Jewelry
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1 - 4  Carats Oval Cut Natural Ruby Well Matched Paired Gemstones - Treated - Modern Gem Jewelry
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4-9 Carats Natural Ruby Cabochons Matched Pairs Gemstones -Treated - Modern Gem Jewelry 4-9 Carats Natural Ruby Cabochons Matched Pairs Gemstones -Treated - Modern Gem Jewelry
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4-9 Carats Natural Ruby Cabochons Matched Pairs Gemstones -Treated
Starting at $200.00
Top Grade 0.77 Carats Natural Ruby Oval Cut Loose Gemstone - Modern Gem Jewelry Top Grade 0.77 Carats Natural Ruby Oval Cut Loose Gemstone - Modern Gem Jewelry
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Amazing Rich Red Natural Ruby Oval Cut | 0.94 Carats 5.2mm X 7.1mm - Modern Gem Jewelry Amazing Rich Red Natural Ruby Oval Cut | 0.94 Carats 5.2mm X 7.1mm - Modern Gem Jewelry
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6.48 Carats  Natural Ruby Stone Near Pigeon Blood Ruby Cabochon (Treated) - Modern Gem Jewelry 6.48 Carats  Natural Ruby Stone Near Pigeon Blood Ruby Cabochon (Treated) - Modern Gem Jewelry
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6.48 Carats Natural Ruby Stone Near Pigeon Blood Ruby Cabochon (Treated)
$400.00 Sold out
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