Buy 18k Gold Necklaces for Women & Men

Filter by:

18K Yellow Gold Diamond and Red Ruby Floral Cascade Statement Necklace with 16" Inch Bead Chain (F-G Color, VS1-VS2 Clarity)

Immerse yourself in the exquisite allure of this 18K Yellow Gold Necklace, a masterpiece that embodies luxury and intricate craftsmanship. Featuring three natural diamonds of F-G color and VS1-VS2 clarity, each encircled by heat-treated, vivid red rubies, this jewelry speaks volumes of refined elegance....

$23,110

$23,110

Unit price

per

View details
18K Yellow Gold Plated.925 Sterling Silver 1/3 Cttw Diamond Studded Dog Tag 18" Pendant Necklace (I-J Color, I2-I3 Clarity)

Discover the captivating allure of the 18K Yellow Gold Plated .925 Sterling Silver Diamond Studded Dog Tag Pendant Necklace, a luxurious meld of craftsmanship and style. Each shimmering diamond, naturally sourced, is meticulously placed on the polished, golden surface of the prestigious dog tag...

$452

$452

Unit price

per

View details
18K Yellow Gold Plated .925 Sterling Silver 3/8 Cttw Diamond North Star Dog Tag 18" Inch Pendant Necklace (I-J Color, I2-I3 Clarity)

Immerse yourself in the captivating brilliance of the North Star highlighted in this exquisite pendant necklace, where polished 18kt yellow gold over .925 sterling silver gracefully envelops 0.40 ct. t.w. of natural diamonds. Each gem, sparkling with an I-J color and I2-I3 clarity, meticulously...

$592

$592

Unit price

per

View details
18K Yellow Gold Diamond Gemini Constellation with Red and Blue Enamel 18" Inch Pendant Necklace (H-I Color, SI2-I1 Clarity)

Indulge in celestial beauty with our 18K Yellow Gold Diamond Gemini Constellation Pendant Necklace. Encrusted with 5 natural round accent diamonds, featuring a mesmerizing H-I color and a clarity of SI2-I1, this necklace captures the essence of the Gemini constellation. The diamonds are delicately...

$5,270

$5,270

Unit price

per

View details
18K Yellow Gold Diamond Leo Constellation with Blue Enamel 18" Inch Pendant Necklace (H-I Color, SI2-I1 Clarity)

Indulge in celestial elegance with our 18K Yellow Gold Diamond Leo Constellation Pendant Necklace. Embellished with 8 captivating natural round accent diamonds and showcasing a brilliant H-I color with SI2-I1 clarity, this necklace captures the essence of the Leo constellation in stunning detail. The...

$5,732

$5,732

Unit price

per

View details
18K Yellow Gold Necklace 1 1/3 Cttw Dangling Red Ruby Drop 18" Chain Collar

Indulge in timeless elegance with our exquisite 18K Yellow Gold Necklace adorned with a captivating 1 1/3 Cttw Dangling Ruby Drop. Crafted from luxurious 18K yellow gold, this collar necklace is a true statement piece, perfect for the modern woman who appreciates sophistication and...

$6,245

$6,245

Unit price

per

View details
18K Yellow Gold Blue Enamel 1/10 Cttw Round Pave Diamonds Heart Shape 18" Pendant Necklace (G-H Color, SI1-SI2 Clarity) - Adjustable up to 16" - 18"

This sweet heart-shaped pendant necklace will set her heart all aflutter, cast in 18k yellow gold with blue enamel. A cluster of round, prong-set diamonds gathers in the shape of a heart at the center of the pendant for a dose of sparkling romance....

$3,170

$3,170

Unit price

per

View details
18K White Gold 6 1/3 Cttw Pave Set Black and White Diamond Teardrop Pendant Necklace (F-G Color, VS1-VS2 Clarity)

Immerse yourself in the opulence of the 18K White Gold Teardrop Pendant Necklace, where luxury meets a dynamic contrast of hues and artistry. This masterpiece, adorned with 6 1/3 carats of natural black and white diamonds, offers an enchanting dance of light and textures....

$15,482

$15,482

Unit price

per

View details
Elegant Gift Packaging

Each piece of jewelry comes with a signature gift packaging, complimentary with every order.

Learn More

18K White Gold 2 1/4 Cttw Diamond Geometric Open Work Pendant Necklace (F-G Color, VS1-VS2 Clarity) - 18"

Immerse yourself in the elegance of the 18K White Gold Diamond Geometric Open Work Pendant Necklace, a masterpiece where luxury meets precision. Every aspect of this resplendent accessory has been thoughtfully designed to exude sophistication and charm. Crafted from high-quality 18K white gold with...

$11,345

$11,345

Unit price

per

View details
18K Yellow Gold 42.0 Cttw Pink Quartz Crystal Geode and 1.0 Cttw Diamond Halo 18" Pendant Necklace (F-G Color, VS1-VS2 Clarity)

Envelop yourself in the radiance of this enchanting 18K yellow gold necklace, where nature's artistry meets human craftsmanship. At the heart lies a captivating 42.0 carat pink quartz, its tender hues enhanced to dazzle the eye, epitomizing both purity and drama through its striking...

$11,622

$11,622

Unit price

per

View details
18K Yellow Gold 2 1/3 Cttw Diamond, Sapphire, and Emerald Dog Tag with Dolphin Silhouette Convertible 18" Pendant Necklace and Brooch (G-H Color, SI1-SI2 Clarity)

Immerse yourself in the unparalleled elegance of this 18K yellow gold jewelry piece, where luxury meets whimsy in a stunning interplay of gems and design. Framed by lustrous black enamel, the open dog tag pendant enchants with two dolphin silhouettes, each meticulously embellished with...

$17,980

$17,980

Unit price

per

View details
18K Yellow Gold 3/4 Cttw Diamond Elephant Shaker Pendant Necklace with Emerald, Ruby, and Sapphire (G-H Color, VS2-SI1 Clarity)

Imbued with the exotic charm of the majestic elephant, this elegant 18K yellow gold pendant necklace transcends mere adornment to become a captivating piece of wearable art. Crafted with precision, it sparkles intensely with 3/4 carats of natural white diamonds. The brilliance of the...

$6,192

$6,192

Unit price

per

View details
18K White Gold Recrystallized 9x7 MM Pear Shaped Blue Sapphire and 2 4/5 Cttw Diamond Halo and Bail 18" Inch Pendant Necklace (G-H Color, SI1-SI2 Clarity)

Discover the serene beauty of our pear-shaped blue sapphire pendant, meticulously crafted from a lab-created, color-treated gem that mirrors the clearest midnight sky. This resplendent 9x7 mm sapphire, cradled elegantly within a 3-prong setting, radiates with an enhanced brilliance against the backdrop of an...

$16,592

$16,592

Unit price

per

View details
18K White Gold 5.00 Cttw Diamond "Duchess" Station and Link Collar Necklace (F-G Color, VS2-SI1 Clarity) - 17" Inches

Introducing an exquisite masterpiece that will leave you breathless - an 18K White Gold "Duchess" Station and Link Collar Necklace. Adorned with a stunning array of 393 diamonds, totaling a remarkable 5.00 cttw, this necklace is a true symbol of elegance and luxury. Crafted...

$38,375

$38,375

Unit price

per

View details
18K White Gold 2 1/6 Cttw Pave Set Diamonds and Red Ruby Openwork Circles 18" Pendant Necklace (G-H Color, SI2-I1 Clarity) - Adjustable up to 16" - 18"

This statement pendant necklace showcases multiple rows of sparkling round diamonds pave-set in concentric openwork circles cast in 18k white gold. These diamonds shimmer and shine in a total 2 1/6 cttw with an approximate G-H Color and SI2-I1 Clarity. Natural 2.8mm round heat-treated...

$14,485

$14,485

Unit price

per

View details
18K White Gold Diamond Accent and Pear Cut Sky Blue Topaz and Pear Cut Black Onyx Dangle Drop 18" Pendant Necklace (G-H Color, SI1-SI2 Clarity)

Natural gemstones and elegant aesthetic appeal make this 18k white gold pendant necklace an instant beauty. The centerpiece is an eye-catching 25x15mm pear cut black onyx in a 4-prong setting with a rich array of glorious facets. A 12x8mm pear cut sky blue topaz...

$4,540

$4,540

Unit price

per

View details
18K White Gold Diamond Accent and Round London Blue Topaz and Pear Cut Sky Blue Topaz Dangle Drop 18" Pendant Necklace (G-H Color, SI1-SI2 Clarity)

This sparkling 18k white gold pendant necklace is a perfect November gift with two topaz birthstones. The bail consists of a natural 10x10mm round London blue topaz in a prong setting. Below nestles a prong-set round diamond accent stone with an approximate G-H Color...

$5,070

$5,070

Unit price

per

View details
18K White Gold Diamond Accent and 1mm Round Blue Sapphire Gemstone Halo Teardrop Pendant Necklace (G-H Color, SI1-SI2 Clarity) - Adjustable up to 15.5" - 17"

This stunningly unique pendant necklace is crafted of genuine 18k white gold featuring a round diamond accent stone in a prong setting that is haloed by natural 1mm round heat-treated blue sapphires. This solitaire diamond accent is of an approximate G-H Color and SI1-SI2...

$1,387

$1,387

Unit price

per

View details
18K White Gold 3/8 Cttw Pave Set Diamond and Sky Blue Topaz and Blue Sapphire Gemstone Floral Teardrop Halo 18" Pendant Necklace (G-H Color, SI2-I1 Clarity)

Stand back and let the glory of natural gemstones and diamonds infuse your style with their statement glamour. Made of 18k white gold, this necklace starts off with a bail made of 1.8mm round blue sapphires clustered into a floral silhouette within prong settings....

$6,315

$6,315

Unit price

per

View details
18K Yellow Gold 1/2 Cttw Brown Diamond and Multi-Size Oval Yellow Sapphire Cluster Cascade Station Necklace (Brown Color, SI1-SI2 Clarity) - Adjustable up to 14" to 16"

A perfect look for both day and night, this 18k yellow gold station necklace is illuminated by the sparkle of natural gemstones and diamonds in a clustered cascading waterfall design. A scattered arrangement of natural oval heat-treated yellow sapphires show off from prong settings...

$10,152

$10,152

Unit price

per

View details
Complimentary Returns

All purchases made now can be returned within 30 days.

Learn More

18K White Gold 1/4 Cttw Round Diamond and 6x4mm Purple Tanzanite Halo 18" Pendant Necklace (H-I Color, VS1-VS2 Clarity)

A shimmering 6x4mm emerald-cut purple tanzanite gemstone is surrounded by sparkling round diamonds in pave settings to create this elegant pendant necklace. These glorious white diamonds are set in a halo around the centerpiece gem as well as along the bale of the pendant....

$5,912

$5,912

Unit price

per

View details
18K Yellow and White Gold 1.75 Cttw Diamond Lab Grown Treated Yellow Emerald Center Diamond Halo 18" Pendant Necklace (Yellow/G-H Color, VS1-VS2 Clarity)

Treat yourself to this glamorous 1.75 c.t. diamond fashion necklace, elegantly crafted in 18k white gold, a metal that will stay tarnish free for years to come. The central stone of this necklace is a lab-grown, emerald-cut yellow diamond embellished in 18k yellow gold....

$7,337

$7,337

Unit price

per

View details
18K White Gold 1.0 Cttw Diamond and 3.5 MM Round Blue Sapphire 11 Stone Cross 18" Pendant Necklace (F-G Color, VS2-SI1 Clarity)

Immerse yourself in the divine elegance of this 18K white gold pendant necklace, where spirituality meets opulence. Expertly rhodium-plated for added luminescence, the cross design is meticulously adorned with gleaming natural diamonds and vibrant blue sapphires. The eleven scintillating stones promise a remarkable contrast:...

$14,592

$14,592

Unit price

per

View details
18K White Gold 1 1/10 Cttw Diamond and Pink Tourmaline Double-Strand Art Deco Inspired Chandelier 18" Pendant Necklace (F-G Color, VVS2-VS1 Clarity)

Embrace an era of resplendent glamour with this 18K white gold pendant necklace, exquisitely adorned with dazzling natural diamonds boasting an F-G color and VVS2-VS1 clarity, totaling 1.10 carats, and sumptuous pear-cut pink tourmalines. Each tourmaline, naturally sourced but color-enhanced for vivid allure, dances...

$11,830

$11,830

Unit price

per

View details
18K Rose Gold 5/8 Cttw Diamond and London Blue Topaz Gemstone Bezel-Set Cluster 18" Station Necklace (G-H Color, SI1-SI2 Clarity) - Adjustable up to 16" - 18"

This exceptional 18k rose gold station necklace features a natural 7.7mm round bezel-set topaz in a vivid heat-treated London blue hue that serves as an eye-catching centerpiece. A cluster of round, bezel-set diamonds encircles this crisply colored gemstone, adding their own sparkle in a...

$4,757

$4,757

Unit price

per

View details
18K White and Yellow Gold Diamond Accent and Round Yellow Citrine and Pear Cut Black Onyx Dangle Drop 18" Pendant Necklace (G-H Color, SI1-SI2 Clarity)

The mesmerizing beauty of this ravishing 18k white and yellow gold pendant necklace makes an elegant addition to any outfit choice. A master of good fortune, a 22x16mm pear cut black onyx rests at the base of this pendant in a 4-prong setting. The...

$4,395

$4,395

Unit price

per

View details
18K White and Rose Gold Round Diamond Accent and Round Rose De France Pink Amethyst and Cushion Cut Sky Blue Topaz Dangle Drop 18" Pendant Necklace (G-H Color, SI1-SI2 Clarity)

Every woman deserves jewelry that sparkles like this stunning 18k white and rose gold pendant necklace. The elegant 10x10mm round Rose De France pink amethyst that tops this pendant is worthy of a standing ovation, showcased in a 4-prong setting. The lower gemstone is...

$4,972

$4,972

Unit price

per

View details
18K Rose and White Gold Diamond Accent and London Blue Topaz and Cushion Cut Smoky Quartz Gemstone Dangle Drop 18" Pendant Necklace (G-H Color, SI1-SI2 Clarity)

Celebrate any occasion with the beauty and allure of natural gemstones! This lovely pendant necklace is crafted from genuine 18k rose and white gold, a metal that will stay tarnish-free for years to come. The bail is prong-set with a 9x9mm round heat-treated London...

$4,587

$4,587

Unit price

per

View details
18K Rose Gold 3/4 Cttw Pave Diamonds and Graduated Green Tsavorite Gemstone Curved Bar Choker Necklace (G-H Color, SI1-SI2 Clarity) - Adjustable up to 14" - 16.5"

Complement your stylish taste with this beautiful diamond and gemstone choker necklace. This fashion necklace graduates round heat-treated green Tsavorite gemstones in 4mm, 3mm, and 2mm sizes on a curved bar of 18k rose gold. Within prong settings, these natural gemstones are encased in...

$6,060

$6,060

Unit price

per

View details
18K Rose Gold 3/4 Cttw Pave Diamonds and Graduated Red Ruby Gemstone Curved Bar Choker Necklace (G-H Color, SI1-SI2 Clarity) - Adjustable up to 14" - 16.5"

Set in luxurious 18k rose gold, this chocker necklace features a contemporary design of natural round heat-treated red rubies in a 4mm, 3mm, 2mm graduated sizing with the largest at the center, extending out to the smallest on a curved bar. Surrounding these prong-set...

$6,060

$6,060

Unit price

per

View details
18K Rose Gold 5/8 Cttw White and Brown Diamond Accent and 7 x 4mm Oval Blue Sapphire Gemstone Statement Halo Cluster Pendant Necklace (Brown and G-H Color, SI1-SI2 Clarity) - Adjustable up to 16" - 18"

This 18k rose gold station necklace is a look you will turn to often thanks to its effortless and classy styling. At the center of this spectacular piece is nestled a 7 x 4mm oval heat-treated blue sapphire within a secured bezel setting. A...

$3,072

$3,072

Unit price

per

View details
18K White and Yellow Gold Diamond Accent and Yellow Citrine and Sky Blue Topaz Gemstone Dangle Drop 18" Pendant Necklace (G-H Color, SI1-SI2 Clarity)

Unleash your inner goddess wearing this marvelous pendant necklace made from genuine 18k white and yellow gold with natural gemstones. At the bail nestled a radiant 1.2mm pear-cut heat-treated yellow citrine nestled in a 5-prong setting. Directly below, a round diamond accent stone adds...

$5,742

$5,742

Unit price

per

View details
Lifetime Warranty

Limited lifetime warranty on every purchase with Grandiani.

Learn More

18K Rose Gold 3/4 Cttw Diamond and Purple Amethyst Cluster Heart Shape 18" Pendant Necklace (G-H Color, SI1-SI2 Clarity)

Let love and romance blossom in your life with this enchanting heart-shaped cluster pendant necklace made from genuine 18k rose gold. This dimensional heart-shape is encrusted with dazzling round, prong-set diamonds with a total 3/4 cttw and an approximate G-H Color and SI1-SI2 Clarity....

$4,965

$4,965

Unit price

per

View details
18K Rose Gold 3/8 Cttw Black and White Diamond Ball with Filigree Heart and Cluster Design 18" Pendant Necklace (Black and G-H Color, SI1-SI2 Clarity)

Cast in polished 18k rose gold, this ball drop pendant necklace showcases a design that is rich in symbolism. A single row of diamond-encrusted filigree heart silhouettes spread out around the perimeter of the ball, declaring a statement of love. The diamond clusters on...

$4,680

$4,680

Unit price

per

View details
18K Rose Gold 1/5 Cttw Diamond and Oval Yellow Citrine and Round Orange Sapphire Gemstone Openwork Halo Teardrop with Flower Design 18" Pendant Necklace (G-H Color, SI1-SI2 Clarity)

In a halo teardrop motif of genuine 18k rose gold, this pendant necklace makes an awe-inspiring impression comprised of natural gemstones and diamonds. At the center rests a 15x10mm oval heat-treated yellow citrine in a 4-prong setting. An openwork halo defines a sparkling outline...

$3,942

$3,942

Unit price

per

View details
18K Rose Gold Round Green Tsavorite Gemstone Cluster Spiral Snake Design 18" Pendant Necklace (AAA+ Quality)

This animal inspired pendant necklace features a free-spirited snake design crafted of genuine 18k rose gold, a metal that will stay tarnish-free for years to come. The spiraled serpent is encrusted with 1.8mm, 1.5mm, 1mm, and 0.80mm round heat-treated green tsavorite natural gemstones in...

$7,790

$7,790

Unit price

per

View details
18K Rose Gold 1/2 Cttw Brown Diamond and Multi-Size Oval Pink Sapphire Cluster Cascade Statement Station Necklace (Brown Color, SI1-SI2 Clarity) - Adjustable up to 14" to 16"

Placing an emphasis in sparkle, this cluster cascade station necklace dazzled in polished 18k rose gold with natural gemstones and diamonds. A unique arrangement of heat-treated pink sapphires in 8x5mm, 5x5mm, and 4x4mm ovals are scattered in a cascading design catching and reflecting light...

$10,152

$10,152

Unit price

per

View details
18K Rose Gold 1/2 Cttw Diamond and Freshwater Pearl Double Strand Station Necklace (G-H Color, SI1-SI2 Clarity) - Adjustable up to 16" to 20"

Diamonds and pearls are spaced along a delicate cable chain in this chic 18k rose gold station in a double strand design that can be worn with a variety of different styles. Multi-sized Chinese freshwater cultured round ivory pearls in cup settings are stationed...

$7,262

$7,262

Unit price

per

View details
18K White Gold 1 5/6 Cttw Diamond Cluster Floral Filigree Brooch Pin and 18" Pendant Necklace (G-H Color, I1-I2 Clarity)

This captivating vintage-inspired pendant necklace is crafted in cool 18k white gold in an elegant openwork filigree motif set with stunning round diamonds. The floral filigree pattern features these sparkling diamonds within secure bezel settings. These diamonds total 1 5/6 cttw with an approximate...

$12,725

$12,725

Unit price

per

View details
18k White Gold 0.05 Cttw Round Diamond and Blue Topaz and Green Peridot Gemstone Halo Drop 18" Pendant Necklace (F-G Color, VS1-VS2 Clarity)

Elegant in its graceful drop design, this pendant necklace sparkles wildly with its collection of diamond and gemstones prong-set into polished 18k white gold. The bail features a center gemstone that is a 3.5mm round blue topaz haled by 2.5mm round peridots. A round...

$8,117

$8,117

Unit price

per

View details
18K White and Yellow Gold 2 1/4 Cttw Lab Grown Yellow Asscher Cut Diamond Art Deco Style Halo 18" Pendant Necklace (Yellow/G-H Color, VS1-VS2 Clarity)

Celebrate life and love with this unique lab grown diamond pendant. Masterfully crafted, this piece features a pendant crafted from 18K White and Yellow Gold set with a dazzling array of diamonds. The centerpiece of this pendant is a 2 carat, lab grown Yellow...

$8,537

$8,537

Unit price

per

View details
18K White and Yellow Gold 2 3/5 Cttw Lab Grown Yellow Asscher Diamond Double Framed Halo 18" Pendant Necklace (Yellow/G-H Color, VS1-VS2 Clarity)

Unique and eye-catching, this glamorous pendant has an impressive total carat weight of 2 3/5 c.t. The central stone of this necklace is a lab-grown, asscher-cut yellow diamond embellished in 18k yellow gold. The stone is framed by two halos of lab grown white...

$8,937

$8,937

Unit price

per

View details
18K White and Yellow Gold 1.75 Cttw Lab Grown Treated Yellow Asscher Center Diamond Halo 18" Pendant Necklace (Yellow/G-H Color, VS1-VS2 Clarity)

Unique and eye-catching, this glamorous pendant has an impressive total carat weight of 1.75 c.t. The central stone of this necklace is a lab-grown, asscher-cut yellow diamond embellished in 18k yellow gold. The stone is flanked by smaller lab-grown, round-cut white diamonds on all...

$6,237

$6,237

Unit price

per

View details

grandiani

Women's
All Collections
- Rings
- Earrings
- Bracelets
- Necklaces
- Pendants & Charms
- Chains
Men's
All Collections
- Chains
- Rings
- Bracelets
- Cuff Links
- Earrings
- Necklaces

Contact Us

×