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

JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.

***COI Sterling Silver 925 2 Carat 3 Moissanite Ring-01136AA

Add to Wish List Add to Compare

-33%

***COI Sterling Silver 925 2 Carat 3 Moissanite Ring-01136AA

Special Price $199.99 Regular Price $299.99

***COI Sterling Silver 925 3 Carat Moissanite Solitaire Ring-01116AA

Add to Wish List Add to Compare

-50%

***COI Sterling Silver 925 3 Carat Moissanite Solitaire Ring-01116AA

Special Price $249.99 Regular Price $499.99

***COI Sterling Silver 925 1 Carat Moissanite Solitaire Ring-01129AA

Add to Wish List Add to Compare

-53%

***COI Sterling Silver 925 1 Carat Moissanite Solitaire Ring-01129AA

Special Price $139.99 Regular Price $299.99

***COI Sterling Silver 925 1 Carat Princess Cut Moissanite Solitaire Ring-01128AA

Add to Wish List Add to Compare

-53%

***COI Sterling Silver 925 1 Carat Princess Cut Moissanite Solitaire Ring-01128AA

Special Price $139.99 Regular Price $299.99

***COI Sterling Silver 925 3 Carat Moissanite Solitaire Ring-01130AA

Add to Wish List Add to Compare

-38%

***COI Sterling Silver 925 3 Carat Moissanite Solitaire Ring-01130AA

Special Price $249.99 Regular Price $399.99

***COI Sterling Silver 925 1 Carat Moissanite Solitaire Ring-01126AA

Add to Wish List Add to Compare

-30%

***COI Sterling Silver 925 1 Carat Moissanite Solitaire Ring-01126AA

Special Price $139.99 Regular Price $199.99

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

Add to Wish List Add to Compare

-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

Add to Wish List Add to Compare

-40%

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

Special Price $119.99 Regular Price $199.99

Featured Collections

Collection Image

Abalone Shell

Collection Image

Black Color

Collection Image

Blue Color

Collection Image

Camouflage

Collection Image

Carbon Fiber

Collection Image

Celtic & Engraved

Collection Image

Classic

Collection Image

Damascus

Deer Antler

Collection Image

Diamond / Cubic Zirconia

Dragon

Collection Image

Faceted

Collection Image

Gold Tone

Collection Image

Hammered

Collection Image

High Tech Ceramic

Meteorite

Collection Image

Opal

Collection Image

Rose Color

Collection Image

Sandblasted

Collection Image

Turquoise

Collection Image

Two Tone Color

Collection Image

Wedding / Couple

Collection Image

Wood

Collection Image

Medical Alert

Feartured Products

Collection Image

Masonic / Freemason

Collection Image

Cross

Collection Image

Heart & Heartbeat

Collection Image

King, Queen, Prince, Princess Crown

Collection Image

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

Collection Image

Mo Anam Cara

Tire Tread

Rainbow Pride

Collection Image

Infinity Love

Collection Image

Skull / Legend of Zelda

Collection Image

Lord of The Ring

Collection Image

Firefighter & Marine Corps

Collection Image

Celtic & Trinity Knots, Wolf

Collection Image

Always & Forever

Collection Image

Checkered Flag

Collection Image

Sterling Silver 925