Engagement Rings, Fashion and Fine Jewelry by coi Jewelry : Welcome!

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***COI Tungsten Carbide Black Rose Double Grooves Ring With Wood & Green Malachite-00787AA

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-53%

***COI Tungsten Carbide Black Rose Double Grooves Ring With Wood & Green Malachite-00787AA

Special Price $139.99 Regular Price $299.99

***COI Gold Tone Tungsten Carbide Faceted Ring With Blue Topaz-00803AA

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-40%

***COI Gold Tone Tungsten Carbide Faceted Ring With Blue Topaz-00803AA

Special Price $119.99 Regular Price $199.99

***COI Gold Tone Tungsten Carbide Gold Foil Meteorite & Crushed Opal Ring-00798AA

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-40%

***COI Gold Tone Tungsten Carbide Gold Foil Meteorite & Crushed Opal Ring-00798AA

Special Price $119.99 Regular Price $199.99

***COI Tungsten Carbide Black Gold Tone Double Groove Faceted Ring With Meteorite & Gold Foil-00792AA

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***COI Tungsten Carbide Black Gold Tone Double Groove Faceted Ring With Meteorite & Gold Foil-00792AA

Special Price $139.99 Regular Price $299.99

***COI Tungsten Carbide Black Rose Offset Groove Ring With Crushed Opal-00788AA

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-53%

***COI Tungsten Carbide Black Rose Offset Groove Ring With Crushed Opal-00788AA

Special Price $139.99 Regular Price $299.99

***COI Black Tungsten Carbide Faceted Ring With Crushed Opal-00806AA

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-60%

***COI Black Tungsten Carbide Faceted Ring With Crushed Opal-00806AA

Special Price $119.99 Regular Price $299.99

***COI Black Tungsten Carbide Dome Court Ring With Crushed Opal & Meteorite-00807AA

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-60%

***COI Black Tungsten Carbide Dome Court Ring With Crushed Opal & Meteorite-00807AA

Special Price $119.99 Regular Price $299.99

***COI Gold Tone Tungsten Carbide Dome Court Ring With Crushed Opal & Meterorite-00801AA

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-40%

***COI Gold Tone Tungsten Carbide Dome Court Ring With Crushed Opal & Meterorite-00801AA

Special Price $119.99 Regular Price $199.99

Featured Collections

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Abalone Shell

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Black Color

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Blue Color

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Camouflage

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Carbon Fiber

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Celtic & Engraved

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Classic

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Damascus

Deer Antler

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Diamond / Cubic Zirconia

Dragon

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Faceted

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Gold Tone

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Hammered

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High Tech Ceramic

Meteorite

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Opal

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Rose Color

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Sandblasted

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Turquoise

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Two Tone Color

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Wedding / Couple

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Wood

Feartured Products

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Masonic / Freemason

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Cross

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Heart & Heartbeat

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King, Queen, Prince, Princess Crown

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Superman, Bat & Batman, Wonder Woman, Spiderman, Supernatural

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Mo Anam Cara

Tire Tread

Rainbow Pride

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Infinity Love

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Skull / Legend of Zelda

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Lord of The Ring

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Deadpool, Transformer, Marvel Avenger, Green Lantern

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Celtic & Trinity Knots, Wolf

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Always & Forever

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Checkered Flag

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Custom Engraving