Apply Selected Brands >

to

Enter Valid Price (i.e. 22.00)

$ to $ Max
.
Free Shipping
This pendant necklace from Valente Milano is ravishing and unique. It is made of 18K white gold and features two hanging pendants; one made of white onyx and the other set with black... Pre-owned Valente Milano 18K White Gold Multi Diamond and White Onyx Pendant Necklace

Pre-owned Valente Milano 18K White...

True Facet
$1,970.00
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
18K White Gold with Black Onyx And Diamond Pendant Necklace Features: Gender: Womens Condition: Never Worn Metal: 18K White Gold Stone: 3.03ct. Diamond Gemstone: Black Onyx . Product Code... Pre-owned 18K White Gold with Black Onyx And Diamond Pendant Necklace

Pre-owned 18K White Gold with Black...

True Facet
$3,300.00
18K white gold teardrop pendant necklace with faceted onyx details and pave diamond accents * Total diamond carat weight is 0.95 * Diamond color is G-H * Diamond clarity is Sl2 * Lobster... Nephora Women's 18K White Gold, Onyx & 0.95 Total Ct. Diamond Teardrop Pendant Necklace - Silver

Nephora Women's 18K White Gold, Onyx...

Gilt Groupe
$1,900.00
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 Gold

Necklace Diamond Heart & Onyx Pendant...

The RealReal
$775.00
Guaranteed Authentic! Necklace 14K white gold box chain necklace featuring 14K yellow gold heart pendant with carved onyx, 0.12 carats of round brilliant diamonds at center and lobster... Necklace 14K Diamond & Onyx Heart Pendant Gold

Necklace 14K Diamond & Onyx Heart...

The RealReal
$695.00
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

Pendant Onyx & Diamond Necklace

The RealReal
$245.00
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
$164.99
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
$301.49 $271.34
Free Shipping
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), Women's, Size: 18 Inch

Auriya 14k White Gold Black Onyx and...

Overstock.com
$617.99 $525.29
Free Shipping
18K rose gold pendant necklace with smooth black onyx details and round cut diamond accents * Total diamond carat weight is 0.64 * Diamond color is G-H * Diamond clarity is SI * Lobster... Rina Limor Women's 18K Rose Gold, Black Onyx & 0.64 Total Ct. Diamond Pendant Necklace - Black

Rina Limor Women's 18K Rose Gold,...

Gilt Groupe
$2,350.00
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
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
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
Featuring a faceted octagonal-shaped black onyx wrapped in 14k gold wire details, this pendant adds a modern touch to your ensemble.Pendant Details Pendant length: 1.6 in. Chain length: 17... Onyx 14k Gold Pendant Necklace

Onyx 14k Gold Pendant Necklace

Kohl's
$1,050.00
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
$2,095.00
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
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
Bellarri 18K White Rose And Yellow Gold Diamond Onyx and Rhodolite Gigi Necklace Features a flat omega chain, crafted of 18k white, rose and yellow gold. There is a slide near the clasp... Pre-owned Bellarri 18K White Rose And Yellow Gold Diamond Onyx and Rhodolite Gigi Necklace

Pre-owned Bellarri 18K White Rose And...

True Facet
$4,297.00
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 18K white gold necklace on black silk cord featuring oval pendant with geometric motif featuring black onyx and turquoise slices with diamond accents and... Necklace 18K Turquoise, Onyx and Diamond Pendant

Necklace 18K Turquoise, Onyx and...

The RealReal
$2,775.00
Guaranteed Authentic! Necklace 14K and 18K white gold chain link necklace featuring 0.45 carats of round brilliant diamonds and black onyx on floral pendant with spring ring closure. Item -... Necklace Diamond & Onyx Flower Pendant

Necklace Diamond & Onyx Flower Pendant

The RealReal
$375.00
Guaranteed Authentic! Necklace 18K white gold oval link necklace featuring carved onyx pendant with 0.45 carats of round brilliant diamond details and lobster clasp closure. Item -... Necklace 18K Onyx & Diamond Drop Pendant Black

Necklace 18K Onyx & Diamond Drop...

The RealReal
$1,425.00
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

Necklace Diamond & Onyx Pendant

The RealReal
$1,695.00
Guaranteed Authentic! Necklace 18K white gold Y-drop necklace with pendant featuring onyx, round brilliant diamonds and princess cut diamonds throughout and lobster claw clasp closure. Item... Necklace Onyx & Diamond Y-Drop Black

Necklace Onyx & Diamond Y-Drop Black

The RealReal
$1,295.00
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 Black

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 Black

Loree Rodkin Diamond Cross & Onyx...

The RealReal
$4,225.00
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

Sofer Jewelry 18K Onyx and Diamond...

The RealReal
$1,095.00 $876.00