Onyx Necklaces
38 Products
38 Products
38 Products
From $165.75
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Perfect for everyday wear and always a great value, the fine jewelry essentials from our 10kt Gold Collection are fashionable, fun and designed to last a lifetime. Every strong and durable piece is real gold you'll live in. This colorfully casual necklace features round onyx beads and glossy 10kt yellow gold spacers. Springring clasp, onyx bead necklace.
11 Gemstone Choices
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From $75.65
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Our bold 3.5-4mm round onyx bead necklace shines with an 18kt yellow gold over sterling silver toggle clasp centerpiece. Wear this stylish statement as is, or customize with your favorite charms for a look that's special to you. Onyx bead toggle necklace.
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Add a little buzz to your look with our whimsical necklace. A sweet 18kt yellow gold over sterling silver bumblebee comes to life in 7x9mm pear-shaped and 5mm round onyx gems with pretty openwork wings. Suspends from a curb chain. Springring clasp, onyx bumblebee pendant necklace.
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$169.15
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$199
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For the stylish man of faith, this meaningful carved 22x30mm onyx cross pendant shines in polished sterling silver and offers a bold presence. Suspends from a stainless steel curb chain. Springring clasp, onyx cross pendant necklace.
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From $293.25
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$345
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Here, our classic Byzantine necklace gets a bold, on-trend update. Capped with 3.5mm black onyx cabochons and crafted in polished sterling silver, the stylish yet timeless piece stands out. Springring clasp, black onyx Byzantine necklace.
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In this medallion necklace, the profile of a cat shines atop a 15mm round black onyx slice. A revered creature in ancient Egypt, the fabulous feline is highlighted by hieroglyphics in a frame of textured and polished 18kt yellow gold over sterling silver. Suspends from a cable chain with a 2" extender. Springring clasp, black onyx cat medallion necklace.
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$127.50
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$150
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We call it: portrait of a pretty kitty. Our artful cat pendant necklace is an ode to felines everywhere, featuring orange enamel and carved mother-of-pearl and onyx pieces that create a captivating mosaic set in resin. Finely crafted in polished 18kt yellow gold over sterling silver. Cable chain from Italy includes a 2" extender. Lobster clasp, orange enamel, onyx and mother-of-pearl cat mosaic pendant necklace.
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A classic style with bold flair, our versatile station necklace features 6mm round onyx beads and small, textured spacers dotted along a luxe 18kt yellow gold over sterling silver rolo chain. Includes a 2" extender. Made in Italy. Springring clasp, onyx bead station necklace.
From $92.65
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$109
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A classic eye-catcher, this bold 10x14mm oval onyx cabochon necklace is the perfect piece to rotate into your everyday style. Stationed on an 18kt yellow gold over sterling silver Figaro chain that finishes with a functional, fashion-forward toggle clasp. Onyx toggle necklace.
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From $509.15
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$599
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A gleaming 22x15mm oval black onyx cabochon looks beautifully bold against the sunny glow of diamond-cut and polished 14kt yellow gold scrolling overlays. Suspends from a 14kt yellow gold rope chain necklace that finishes with a springring clasp. Includes 2" extender. 14kt yellow gold and black onyx pendant necklace.
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From $97.75
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Express your love for your furry friend with this pendant necklace. A 22mm round black onyx outlined by .71 ct. t.w. white topaz is adorned by polished sterling silver paw prints with a dog bone charm. Suspends from a cable chain with a 2" extender. Lobster clasp, white topaz and black onyx dog paw pendant necklace.
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$110.50
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$130
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Two classic looks in one well-priced piece! Let your mood guide your style with this versatile necklace, featuring a reversible pendant with 12x16mm rectangular onyx on one side and stabilized turquoise on the other. Crafted in polished sterling silver. Suspended from a rope chain with a 2" extender. Lobster clasp, turquoise and onyx reversible pendant necklace.
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$221
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$260
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Artfully crafted in rich detail with a whimsical spirit, this Bali-style owl pendant necklace will charm you in polished and oxidized sterling silver with 18kt yellow gold over sterling silver accents. Bold 3mm black onyx rounds create the wise bird's wide eyes that see all. Suspends from a sterling silver rope chain from Italy that adjusts from 22" to choker length. Lobster clasp, black onyx Bali-style owl pendant necklace.
$276.25
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$325
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A unique and striking take on the traditional station necklace. Bold 5mm onyx squares are bezel set and stationed across this chic strand, with inky onyx visible from both sides. Presented in 18kt yellow gold over sterling silver. Includes a 2" extender. Lobster clasp, onyx station necklace.
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$398.65
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A unique pendant for your growing collection! Here, a central 16mm round black onyx cabochon is surrounded by 7x4mm green agate ovals and 5mm cultured freshwater pearls, with an 11-11.5mm cultured freshwater baroque pearl drop. Set in an ornate frame of 18kt yellow gold over sterling silver. Suspends from a Singapore chain that adjusts from choker length to 24". Made in Italy. Lobster clasp, white pearl, black onyx and green agate pendant necklace.
2 Gemstone Choices
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$119
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$140
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Achieve a lavish look for less. Our classic lariat necklace suspends bold 6-8mm round onyx beads from a glittery 18kt yellow gold over sterling silver snake chain. Dramatize your look by sliding the center bead to create longer or shorter drop lengths! Made in Italy. Lobster clasp, onyx bead lariat necklace.
2 Gemstone Choices
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From $1,355.75
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Our luxurious necklace is a stunning showpiece of classic beauty. Glossy 8.5x8mm shield-shaped onyx gems are juxtaposed with 5x5mm triangles of mother-of-pearl and sparked by 3.50 ct. t.w. white topaz rounds. Crafted in polished 18kt yellow gold over sterling silver. Figure 8 safety. Box clasp, white topaz, mother-of-pearl and onyx necklace.
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$892.50
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$1,050
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So bold, so beautiful -- our 12x10mm oval onyx cabochon pendant necklace brings elevated drama to your day-to-day dress. Features an elegant floral-style centerpiece studded with shimmery round brilliant-cut diamonds, all set in polished 14kt yellow gold. Cable chain includes a 2" extender. Lobster clasp, onyx pendant necklace.
5 Gemstone Choices
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$276.25
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$325
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A unique and striking take on the traditional station necklace. 6mm square slices of bold onyx and dreamy mother-of-pearl alternate in sleek bezel settings stationed across this chic strand, with their respective gems visible from both sides. Crafted in polished 18kt yellow gold over sterling silver with a 2" extender. Lobster clasp, mother-of-pearl and onyx station necklace.
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$157.25
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$185
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You'd be wise to add this charming pendant necklace to your layered looks! Features a bold 25x30mm oval onyx slice overlaid with a curious owl perched on the branch of a flowering tree underneath a dreamy 3.5mm round mother-of-pearl moon. Crafted in polished 18kt yellow gold over sterling silver. Cable chain includes a 2" extender. Lobster clasp, mother-of-pearl and onyx owl pendant necklace.
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$2,715.75
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C. 1970. Sleek and sophisticated, this Estate collection necklace is the perfect statement for elevating formalwear. Round faceted beads of 8.5-11.5mm onyx and 26.00 ct. t.w. rock crystal are stationed in a striking pattern around the 14kt yellow gold fancy chain, which is punctuated by an eye-catching 42x26mm pear-shaped onyx cabochon. Springring clasp, rock crystal and onyx bead station necklace. Exclusive, one-of-a-kind Estate Jewelry.
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$165.75
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$195
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A bold look, personalized to perfection! Our eye-catching necklace is ideal for solo wear or to anchor your everyday layers. Features a 16x8mm rectangular onyx pendant with the letter of your choice glittering in round diamonds and 18kt yellow gold over sterling silver. Cable chain includes a 2" extender. Lobster clasp, onyx initial pendant necklace.
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$845.75
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$995
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C. 1980. The sleek and understated design of this Estate collection necklace would slip in so nicely among your favorite layered looks -- but can most certainly hold its own. Bold 14x4mm cylindrical onyx beads are stationed along a glittering 14kt yellow gold fancy chain for a hint of dramatic flair. Springring clasp, onyx station necklace. Exclusive, one-of-a-kind Estate Jewelry.
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$3,650.75
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$4,295
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C. 1930. Presenting a solid representation of faith from our Estate collection! This Art Deco-era cross pendant necklace boasts bold 5mm onyx squares lightened up by .21 ct. t.w. round rose and Old Mine-cut diamonds. Crafted in 18kt yellow gold. Suspends from a rope chain. Diamonds set in platinum. Lobster clasp, diamond and onyx cross pendant necklace. Exclusive, one-of-a-kind Estate Jewelry.
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$5,945.75
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$6,995
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C. 1990. Drawing inspiration from the ornate stylings of even earlier looks, this modern Estate collection necklace is a real showpiece. Bold multi-shaped carved onyx gems stand out in stark contrast amid .70 ct. t.w. diamond sparkle -- artfully crafted in polished 18kt white gold to create an unforgettable design. Stationed on a cable chain. Lobster clasp, diamond and onyx geometric necklace. Exclusive, one-of-a-kind Estate Jewelry.
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$2,970.75
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$3,495
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C. 1900. Where else but our Estate collection could you find a beautiful piece of history from 125 years ago? We're proud to present this exceptional Victorian-era pendant necklace, featuring a detailed intaglio of a period figure etched into a bold 22x22mm onyx square. Crafted in polished 18kt rose gold with an ornamental design crowning the inky gem. Suspends from a 14kt rose gold cable chain. Lobster clasp, onyx intaglio pendant necklace. Exclusive, one-of-a-kind Estate Jewelry.
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$204
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$240
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What's black and white and loves bamboo? Our adorable panda pendant necklace fits that description perfectly, glowing with carved onyx and mother-of-pearl set in polished sterling silver with black rhodium and black enamel. Cable chain includes a 2" extender. Lobster clasp, mother-of-pearl and onyx panda pendant necklace.
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$1,185.75
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$1,395
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Bring your bold style to every function when you wear this ultra-glam oval pendant necklace. Features a slick 30x18mm carved oval onyx suspended from a marquise-shaped bail studded with .16 ct. t.w. round brilliant-cut diamonds in 14kt yellow gold. Box chain includes a 2" extender. Lobster clasp, diamond and onyx oval pendant necklace.
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$84.15
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$99
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A bold take on a meaningful religious symbol, our classic cross pendant necklace is comprised of a 12x17mm onyx slice set in polished 18kt yellow gold over sterling silver. Cable chain includes a 2" extender. Lobster clasp, onyx cross pendant necklace.
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$2,545.75
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$2,995
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C. 2000. From our Estate collection comes an elegant study in contrast. This eye-catching pendant necklace features a dramatic 23x18mm oval onyx overlaid with fiery .65 ct. t.w. diamond swirls. Each icy gem positively pops against the jet-black backdrop, with the shimmer continuing up the bale and onto the cable chain in sparkling stations. Finely crafted in polished 14kt white gold. Lobster clasp, diamond and onyx swirl pendant necklace. Exclusive, one-of-a-kind Estate Jewelry.
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$1,865.75
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$2,195
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C. 1980. Brimming with big, bold style indicative of the '80s, this Estate collection necklace parades inky 6mm round onyx beads and 14kt yellow gold spacers along a 33" length, perfect for layering or draping over turtlenecks and sweaters. Clasp free, onyx bead necklace. Exclusive, one-of-a-kind Estate Jewelry.
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Our colorful necklace brings together earthly beauty and dewy sparkle. An array of multi-shaped yellow chalcedony, lapis, stabilized turquoise with an added copper matrix and green aventurine is adorned with 18kt yellow gold over sterling silver floral overlays and sparkling .15 ct. t.w. diamond centers. For extra shimmer, stations of 5.25 ct. t.w. white topaz glow in between each gem. Natural pyrite flecks in lapis will vary. Lobster clasp, diamond, white topaz and multi-gemstone floral overlay necklace.
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A classic black and white palette brings this flower pendant necklace to life! Features a rich 21mm round onyx slice topped with 14x14mm mother-of-pearl petals and sparkly .40 ct. t.w. black spinel rounds for a dash of drama. Crafted in polished 18kt yellow gold over sterling silver. Black rhodium. Cable chain includes a 2" extender. Lobster clasp, onyx, mother-of-pearl and black spinel flower pendant necklace.
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C. 1990. Here's a unique find from our Estate collection that you can now call your own! Our necklace features duos of 10mm round onyx beads that alternate with triplets of round rock crystal beads, 336.00 ct. t.w. A luxe black and white design that will add intrigue to your look. Clasp-free, onyx and rock crystal necklace. Exclusive, one-of-a-kind Estate Jewelry.
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C. 1980. Our Estate collection presents this unique pendant necklace, brimming with bold beauty. An elongated 45x16mm oval onyx cabochon is adorned on either side with .55 ct. t.w. round pink tourmalines sparkling amid pretty floral designs in 14kt rose gold. Suspends from a cable chain. Lobster clasp, pink tourmaline and onyx pendant necklace. Exclusive, one-of-a-kind Estate Jewelry.
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C. 1980. Infuse your outfits with exotic flair. From our Estate collection, this ornamental drop necklace features the high-impact hues of 10x4mm onyx and 15.5x6mm red coral teardrops that suspend from a sparkling .11 ct. t.w. round brilliant-cut diamond centerpiece. Crafted in 14kt white gold. Rope chain. Springring clasp, onyx, red coral and diamond drop necklace. Exclusive, one-of-a-kind Estate Jewelry.
Silver, 18kt Gold Vermeil & Gold Necklaces
To attract admirers, wear a beautiful necklace. It's an idea as old as the Stone Age and it still works! A necklace is an absolute must for dressing up, or to perk up your look on a casual day. With over 2,000 necklaces on our site, Ross-Simons will satisfy all your necklace needs and desires.
Looking for sophisticated elegance? Go straight to our gold necklaces. Our fine jewelry merchants are constantly updating a treasure trove of gold necklace designs, inspired by their global travels. Choose a chic 14kt gold necklace from Italy... a white gold necklace with contrasting gemstones... or a gold diamond necklace to take her breath away.
Diamond necklaces are a specialty at Ross-Simons. You can have the glitter and glamour of a diamond necklace at surprisingly affordable prices! See our diamond station necklaces or diamond-accented pendant necklaces for gorgeous examples.
Our sterling silver necklaces also offer timeless style and exceptional value. Every look from sporty to vintage is here, in almost 400 sterling silver necklaces.
If you love a glowing tiered look, our 18kt gold vermeil necklaces are the perfect choice. Crafted using a thick layer of real 18kt gold over sterling silver, these basic chains and stylish strands are priced so nicely you won’t mind picking up a couple for you – and maybe one for a friend, too!
Feeling artsy? Have a look at our beaded necklaces. In single or multiple and twisted strands , beaded necklaces are fun and fashionable. Romantic? Choose a heart necklace—we have over 150 heart necklace designs. Our necklace collection has something for everyone, for every day of the week. Browse, enjoy, and order today!
Browse ross-simons.com and discover everything from classic pearl jewelry to bright gold jewelry and beyond. We travel the globe to bring you this unique jewelry collection, which features dazzling diamond jewelry from India, stylish designer jewelry from Italy, and much, much more. The entire world of fine jewelry is all just a click away.
Love vintage jewelry? Try our Estate Collection. It's full of timeless jewelry designs from eras long past. Fashion-forward? Take a look at our jewelry trends. We offer the latest and greatest in fine jewelry, giving you the touch of glamour and sophistication you want.
So whether you're looking for the sparkle of diamond jewelry, the fire of ruby jewelry, or the cool glow of sapphire jewelry, you'll find it here, and at unbelievable values.
Fabulous jewelry. Great prices. That is our motto. Keep on browsing and find out why.