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Onyx Necklaces

Onyx necklaces at Kay boldly contrast deep black gemstones in polished necklace designs. Keep it minimalist or go for bold silhouettes that show your style.
41 Results items returned.
41 Results items returned.
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Disney Treasures The Nightmare Before Christmas Onyx & Black Diamond Gift Set 1/10 ct tw Black Rhodium-Plated Sterling Silver

Clearance

$249.99 
50% off
Was $499.99 
Black Onyx & Diamond Paw Prints Necklace 1/10 ct tw Sterling Silver 18”

$399.99 
Disney Treasures Mickey Mouse Black Onyx & Diamond Accent Necklace Sterling Silver 19"

Online Exclusive

$249.99 
Disney Treasures Haunted Mansion Oval-Cut Black Onyx & Diamond Accent Hand Necklace Black Rhodium-Plated Sterling Silver 19"

Online Exclusive

$199.99 
Clover-Shaped Black Onyx & White Lab-Created Sapphire Station Necklace Sterling Silver 18"

Online Exclusive

$299.99 
Ink & Ice Black Onyx & Black Diamond Sugar Skull Necklace 1/15 ct tw Black Rhodium-Plated Sterling Silver 18"

$279.99 
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Ink & Ice Onyx, Black & White Diamond Hamsa Hand Necklace 1/20 ct tw Black Rhodium-Plated Sterling Silver 18"

Clearance

$174.99 
30% off
Was $249.99 
Disney Treasures Hocus Pocus Black Onyx & Black Diamond Raven Necklace 1/10 ct tw Sterling Silver 19"

Online Exclusive

$229.99 
Disney Treasures Mickey Mouse Black Onyx & Diamond Necklace 1/20 ct tw Sterling Silver & 10K Rose Gold 18"

$299.99 
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Ink & Ice Black & White Diamond Rose & Cross Necklace 1/20 ct tw Black Rhodium-Plated Sterling Silver 18"

Clearance

$174.99 
30% off
Was $249.99 
Disney Treasures Hocus Pocus Black Onyx, Amethyst & Diamond Potion Necklace 1/10 ct tw Black Rhodium Sterling Silver 19"

Online Exclusive

$349.99 
Men's Black Onyx & Black Diamond Owl Necklace 1/4 ct tw Sterling Silver 24"

Online Exclusive

$599.99 
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Ink & Ice Black & White Diamond & Black Onyx Evil Eye Necklace 1/6 ct tw Black Rhodium-Plated Sterling Silver 18"

Clearance

$209.99 
30% off
Was $299.99 
Le Vian Men's Octagon-Cut Black Onyx Necklace 1/4 ct tw Diamonds 14K Honey Gold 22"

New

$5,999.99 
Disney Treasures The Lion King "Simba" Black Onyx Necklace Sterling Silver & 10K Yellow Gold 17"

$229.99 
Disney Treasures Hocus Pocus Black Onyx & Diamond Sun Necklace 1/8 ct tw Sterling Silver 19"

Online Exclusive

$399.99 
Black Onyx & Diamond Accent Heart Necklace 10K Yellow Gold 18"

Online Exclusive

$499.99 
Black Onyx & Diamond Cross Medallion Necklace 1/20 ct tw 10K Yellow Gold 18"

Online Exclusive

$599.99 
Black Onyx Bead Necklace 14K Yellow Gold 17"

Online Exclusive

$399.99 
Heart-Shaped Black Onyx & White Lab-Created Sapphire Open Heart Necklace Sterling Silver 18"

Online Exclusive

$99.99 
Disney Treasures The Lion King Orange Onyx & Diamond Necklace 1/5 ct tw Sterling Silver & 10K Yellow Gold 19"

Online Exclusive

$649.99 
Star Wars Into the Galaxy Black Onyx & Diamond Accent Necklace Sterling Silver & Black Rhodium 18"

Online Exclusive

$349.99 
Black Onyx & White Lab-Created Sapphire Snowflake Necklace Sterling Silver 18"

Online Exclusive

$99.99 
Disney Treasures The Nightmare Before Christmas Black Onyx & Black Diamond Necklace 1/4 ct tw Sterling Silver 17"

Online Exclusive

$279.99 
Disney Treasures The Nightmare Before Christmas Black Onyx & Diamond Necklace 1/5 ct tw Sterling Silver 17"

Online Exclusive

$399.99 
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Emerald-Cut Black Onyx Bezel-Set Charm 10K Yellow Gold

Clearance

$199.99 
50% off
Was $399.99 
Men's Diamond & Black Onyx King Lion Head Medallion Necklace 1/2 ct tw 10K Yellow Gold 22"

$2,999.99 
Le Vian Men's Blue Sapphire & Onyx Circle Necklace 3/4 ct tw Diamonds 14K Honey Gold 22"

$3,799.99 
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Ink & Ice Black Onyx Skull Necklace Black Rhodium-Plated Sterling Silver 22"

Clearance

$174.99 
50% off
Was $349.99 
Disney Treasures The Lion King Heart-Shaped Black Onyx & Diamond Necklace 1/15 ct tw Black Rhodium-Plated Sterling Silver 19"

New

$299.99 
Le Vian Men's Blue Sapphire, Black Onyx & Black Diamond Accent Dog Tag Necklace 14K Honey Gold 22"

$4,999.99 
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Black Onyx & Diamond Skull Necklace 1/6 ct tw 10K Yellow Gold 22"

Clearance

$1,019.99 
40% off
Was $1,699.99 
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Le Vian Men's Onyx Arrowhead Necklace 3/8 ct tw Diamonds 14K Honey Gold 22"

$2,799.99 
Ladies' Small Pendant

Personalized

$299.99 
Ladies' Large Pendant

Personalized

$299.99 
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Disney Treasures The Nightmare Before Christmas Black Onyx & Diamond Necklace 1/20 ct tw Sterling Silver & 10K Rose Gold

Clearance

$151.99 
60% off
Was $379.99 
Men's Black Onyx Scored Dog Tag Necklace Sterling Silver 24"

Online Exclusive

$499.99 
Men's Black Onyx Cross Necklace Sterling Silver 24"

Online Exclusive

$249.99 
Black Onyx & White Lab-Created Sapphire Clover Necklace Sterling Silver 18"

New

$329.99 
Black Onyx & White Lab-Created Sapphire Clover Drop Necklace Sterling Silver 18"

New

$249.99 
Disney Treasures The Haunted Mansion "The Fiery Dragon" Black Onyx & Diamond Necklace 1/15 ct tw Sterling Silver 19"

New

$229.99 
Showing 41 of 41 products
Onyx necklaces at Kay feature deep black stones set for striking contrast. Find moody onyx charm pendant necklaces to inlay onyx and diamond necklaces that read clean and modern. Dog tag and heart pendants with diamond borders or engraved textures add a graphic finish.