Apply Selected Brands >

to

Enter Valid Price (i.e. 22.00)

$ to $ Max
.
Free Shipping
Flaunt this necklace with confidence by Roberto Coin from his CAVIAR collection, it is crafted from solid 18K white gold in a high polished finish. The large round shape pendant is in the... Pre-owned Roberto Coin 18K White Gold Caviar Diamonds & Onyx Pendant Necklace

Pre-owned Roberto Coin 18K White Gold...

True Facet
$2,200.00
Damiani 18K Yellow and White Gold Diamond and Caged Onyx Pendant Necklace features: Brand: Damiani Gender: Womens Condition: Excellent Metal: 18K Yellow and White Gold Stone: 0.12ct.... Pre-owned Damiani 18K Yellow and White Gold Diamond and Caged Onyx Pendant Necklace

Pre-owned Damiani 18K Yellow and...

True Facet
$4,500.00
Astounding with its inherent darkness, spotless finish and splendid shape, the outstanding onyx weighing 26.00 carats is encircled by brightly contrasting diamonds totaling 1.66 carats in... Pre-owned Citra 18K White Gold Diamond & Onyx Pendant Necklace

Pre-owned Citra 18K White Gold...

True Facet
$1,550.00
Guaranteed Authentic! Pendant 14K pendant necklace featuring a fancy cut onyx drop-bead, 0.08 carats of round brilliant diamonds, tapered bail, delicate 18K white gold rope chain and spring... Pendant Onyx & Diamond Necklace white

Pendant Onyx & Diamond Necklace white

The RealReal
$245.00
Guaranteed Authentic! Necklace 14K white gold chain-link necklace featuring an 18K white gold pendant with oval onyx at center, heart motif, 0.48 carats of diamonds throughout and lobster... Necklace Diamond Heart & Onyx Pendant white

Necklace Diamond Heart & Onyx Pendant...

The RealReal
$775.00
Guaranteed Authentic! Necklace 18K white gold pendant necklace featuring 1.68 carats of round brilliant diamonds with onyx accents and spring ring closure. Item - Neckl32464 Necklace 18K Diamond & Onyx Pendant white

Necklace 18K Diamond & Onyx Pendant...

The RealReal
$1,795.00
This pendant necklace is opulent and shines with diamonds. It is made of 18K rose gold and boasts a round hanging white onyx pendant that features ~.35ct of white diamonds. Jewelry Type:... 18K Rose Gold Diamond and White Onyx Pendant Necklace (Necklace), Women's, Size: 16 Inch

18K Rose Gold Diamond and White Onyx...

Overstock.com
$849.99
Free Shipping
Employing the intrinsic captivating appeal of the onyx stone and breaking its amazing darkness with brilliant diamonds totaling 0.62ct, the pendant of this wonderful 18K white gold necklace... 18K White Gold Onyx & Diamond Pendant Necklace C-135-021016 (Necklace), Women's, Size: 15.5 Inch

18K White Gold Onyx & Diamond Pendant...

Overstock.com
$1,195.49
Free Shipping
Boston Bay Diamond presents this beatiful 18k Gold and 925 Sterling Silver White Onyx Pendant Necklace. This pendant features a 8x19mm Flat Baguette Cut White Onyx Stone. This pendant comes... Boston Bay Diamonds 18k Gold and 925 Sterling Silver 8x19mm Flat Baguette Cut White Onyx Pendant Necklace (White Onyx), Women's, Size: 17 Inch, Two-Tone

Boston Bay Diamonds 18k Gold and 925...

Overstock.com
$169.99 $152.99
Free Shipping
14K rose gold pendant necklace with carved black onyx detail and round cut diamond accent * Total carved onyx carat weight is 9.90 * Total diamond carat weight is 0.01 * Diamond color is... Meira T Women's 14K Rose Gold, Carved Black Onyx & 0.01 Total Ct. Diamond Pendant Necklace - Black

Meira T Women's 14K Rose Gold, Carved...

Gilt Groupe
$375.00
Vintage 14K yellow gold pendant necklace with black onyx and round cut diamond details * Condition: Excellent (minor signs of wear) * Total diamond carat weight is 0.05 * Diamond color is I... Estate Fine Jewelry Women's Estate 14K Yellow Gold, Onyx & 0.05 Total Ct. Diamond Pendant Necklace - Black

Estate Fine Jewelry Women's Estate...

Gilt Groupe
$665.00
Silver pendant necklace with carved black onyx detail and round cut diamond accents * Total onyx carat weight is 33.80 * Total diamond carat weight is 0.87 * Spring clasp closure... Karma Jewels Women's Silver, Black Onyx & 0.87 Total Ct. Diamond Buddha Pendant Necklace

Karma Jewels Women's Silver, Black...

Gilt Groupe
$925.00
Clusters of eye-catching green onyx beads give this pendant alluring appeal.Pendant Details Pendant length: 1.8 in. Chain length: 17 in. Clasp: spring-ring Metal: 14k gold Stone Details... Green Onyx 14k Gold Cluster Pendant Necklace

Green Onyx 14k Gold Cluster Pendant...

Kohl's
$300.00 $120.00

60%

Off
Dramatic beauty is effortless with this Sophie Miller onyx and cubic zirconia necklace. Comes in a gift box.Pendant Details Pendant length: 1.8 in. Chain length: 18 in. Clasp: spring-ring... Sophie Miller Onyx & Cubic Zirconia 14k Gold Over Silver Pendant Necklace

Sophie Miller Onyx & Cubic Zirconia...

Kohl's
$325.00 $113.75

65%

Off
Featuring a faceted marquise-shaped black onyx wrapped in 14k gold wire details, this pendant adds a modern touch to your ensemble.Pendant Details Pendant length: 1.0 in. Chain length: 17... Onyx 14k Gold Pendant Necklace

Onyx 14k Gold Pendant Necklace

Kohl's
$1,150.00 $460.00

60%

Off
This pendant necklace from Gavello's Gotham collection is dark and edgy. The necklace is made of 18K white gold and boasts a cross-shaped pendant set with onyx and lined with 1ct of... Pre-owned Gavello Gotham 18K White Gold Diamond & Onyx Cross Pendant Necklace

Pre-owned Gavello Gotham 18K White...

True Facet
$2,900.00
1.86 CT Diamond 18K Gold Onyx Pendant 14K Gold Chain Necklace Size 16" Gender: Womens Condition: Never Worn Metal: Chain: 14K White Gold, Pendant: 18K White Gold Stone: Green Onyx 1.86ct,... Pre-owned 1.86 CT Diamond 18K Gold Onyx Pendant 14K Gold Chain Necklace Size 16"

Pre-owned 1.86 CT Diamond 18K Gold...

True Facet
$2,419.00
18K White Gold Blue Onyx and Diamond Pearl Necklace. This stunning necklace features a unique design which includes a blue onyx gemstone along side diamonds and pearls. Gender: Womens... Pre-owned 18K White Gold Blue Onyx Diamond Pearl Necklace

Pre-owned 18K White Gold Blue Onyx...

True Facet
$1,420.00
Beautifully designed two tone gold pendant necklace. Made from solid 18k yellow and white gold, it features diamonds on pear shape black onyx. Chain: 18'' long Diamonds: 0.15ct. color H,... Pre-owned 18K Two Tone Gold Diamond & Black Onyx Necklace

Pre-owned 18K Two Tone Gold Diamond &...

True Facet
$869.00
This pendant necklace is opulent and shines with diamonds. It is made of 18K rose gold and boasts a round hanging white onyx pendant that features ~.35ct of white diamonds. Gender: Womens... Pre-owned 18K Rose Gold Diamond and White Onyx Pendant

Pre-owned 18K Rose Gold Diamond and...

True Facet
$709.00
Guaranteed Authentic! Necklace Platinum pendant necklace featuring 0.63 carats of old European cut and round brilliant diamonds, 0.12 carats of rose cut diamonds, carved onyx drop, 18K... Necklace Diamond & Onyx Pendant rose

Necklace Diamond & Onyx Pendant rose

The RealReal
$1,695.00
Guaranteed Authentic! Luca Carati 18K white gold Luca Carati necklace with silk cord, diamond and onyx pendants and knot closure. Includes box and appraisal. Item - Lca20006 Luca Carati Onyx & Diamond Pendant Necklace white

Luca Carati Onyx & Diamond Pendant...

The RealReal
$2,475.00
Guaranteed Authentic! Loree Rodkin 18K white gold Loree Rodkin oval link necklace featuring onyx cabochon pendant with cross detail, 0.63 carats of round brilliant diamonds and toggle... Loree Rodkin Diamond Cross & Onyx Pendant Necklace white

Loree Rodkin Diamond Cross & Onyx...

The RealReal
$3,995.00
Guaranteed Authentic! Sofer Jewelry 18K white gold Sofer Jewelry chain-link necklace featuring black onyx cross pendant with diamond halo and lobster clasp closure. Item - Sofll20036 Sofer Jewelry 18K Onyx and Diamond Cross Pendant Necklace white

Sofer Jewelry 18K Onyx and Diamond...

The RealReal
$1,095.00 $876.00
Guaranteed Authentic! Damiani 18K white gold Damiani necklace featuring 0.36 carats of diamond accents at five round drop pendants with black onyx at alternating drops on rolo chain with... Damiani 18K Onyx & Diamond Pendant Necklace white

Damiani 18K Onyx & Diamond Pendant...

The RealReal
Damiani
$4,375.00 $3,062.50

30%

Off
Guaranteed Authentic! Di Modolo 18K white gold Di Modolo pendant necklace featuring 2.25 carats of diamonds, mother of pearl pendant, black onyx pendant, diamond stations at chain and... Di Modolo 18K Onyx, Mother of Pearl & Diamond Pendant Necklace white

Di Modolo 18K Onyx, Mother of Pearl &...

The RealReal
$7,995.00 $6,396.00
Guaranteed Authentic! Necklace 18K yellow and white gold Hello Kitty pendant necklace featuring round brilliant modified green tourmaline, round brilliant modified yellow sapphire, onyx... Necklace 18K Diamond & Multistone Hello Kitty Pendant yellow

Necklace 18K Diamond & Multistone...

The RealReal
$675.00
This stunning 14-karat white gold pendant showcases a marquise-shaped black onyx accentuated with white diamonds. The necklace includes a matching 18-inch box chain with a spring ring... Auriya 14k White Gold Black Onyx and 3/8ct TDW Diamond Necklace (G-H, I1-I2) (Diamond Necklace), Adult Unisex, Size: 18 Inch

Auriya 14k White Gold Black Onyx and...

Overstock.com
$609.99 $518.49
Free Shipping
This stunning circle pendant in 14-karat white gold showcases a round-shaped black onyx accentuated with white diamonds in a flower shape. This necklace includes an 18-inch matching box... Auriya 14k White Gold Black Onyx and 1/4ct TDW Diamond Circle Necklace (G-H, I1-I2) (Diamond Necklace), Women's, Size: 18 Inch

Auriya 14k White Gold Black Onyx and...

Overstock.com
$361.99 $307.69
Free Shipping
This stunning pendant in 14-karat white gold showcases a pear-shaped black onyx adorned with white diamonds. This necklace includes a matching 18-inch box chain. Style: Pendant Gemstone... Auriya 14k White Gold Black Onyx and 1/6ct TDW Diamond Necklace (G-H, I1-I2) (Diamond Necklace), Women's, Size: 18 Inch

Auriya 14k White Gold Black Onyx and...

Overstock.com
$253.99 $228.59
Free Shipping