Platinum Necklaces

Peridot & Diamond Halo Pendant in Platinum This pendant is crafted in platinum and features a 1.82 carat oval peridot secured in a four-prong setting. A halo of round diamonds surro...

This antique Edwardian lavalier necklace captures the refined elegance of the early 1900s, crafted in 18k yellow gold and platinum. It features 1.00tcw of shimmering diamonds paired ...

TIFFANY & Co. Platinum Diamond Paper Flowers Pendant Necklace Large Metal: Platinum Weight: 5.60 grams Chain: 16" long Pendant: 18mm wide, large size Diamond: 43 round brilliant dia...

Tiffany & Co. Platinum Lucida Diamond Pendant Necklace An iconic design from Tiffany & Co., this elegant Lucida pendant necklace is finely crafted in solid platinum 950, weig...

Elegant, timeless, and effortlessly sophisticated, this exquisite Tiffany & Co. solitaire diamond necklace showcases a stunning approximately 1.70 carat round brilliant diamond s...

Halo Alexandrite & Diamond Necklace in Platinum- GIA 2231584344 This necklace is crafted in 850 platinum and features a prong-set alexandrite weighing 0.53ct. The alexandrite sh...

Antique Moonstone Pendant 18ct Gold & Platinum Tested Circa 1900 Fabulous, Edwardian moonstone pendant. Set with a gorgeous open backed, ...

A refined 1.12 carat diamond 3D pendant necklace crafted in 18K white gold by Merkaba Jewelry Beverly Hills. This contemporary fine jewelry piece is defined by precise geometry, dime...

Diamond Loop Pendant from the luxury brand Harry Winston. This signature piece belongs to the Diamond Loop Collection, which reimagines Harry Winston's legendary pear-shaped gems i...

--Stones:-- 22 Natural Genuine Sapphires - Oval Cut - Prong Set - Yellow Orange Color - Ceylon - Heated - 89.14ctw exact *See Certification Details Below For More Info* 68 Natural Ge...

This charming drop pendant necklace dates to the 1910s. At the base of the drop sits a 1.00 carat oval cut aquamarine, with a slightly smaller 0.50 carat aqua at the top, and an eleg...

This gorgeous diamond necklace boasts 65 oval brilliant cut diamonds set in an east west design weighing 36.41 carats total. Mounted in platinum and skillfully crafted, this necklace...

Vintage Tiffany & Co. Elsa Peretti Teardrop Diamond 950 Platinum Pendant Necklace. A beautiful and authentic Tiffany & Co teardrop pendant from the stylish and popular Elsa Peretti ...

Classic and versatile, Faye Kim's Platinum Mini Paperclip Vintage Link Chain necklace is a must-have for every jewelry wardrobe. The necklace is made of s...

A vivid blue sapphire takes centre stage in this charming Edwardian pendant. The old cut sapphire is 0.50 carat in size and is rub over set into contrasting 18 carat yellow gold. Enc...

Edwardian Diamond Necklace Platinum & 18ct White Gold Tested Circa 1910 Step into the elegance of the Edwardian era with this stunning necklace, featuring an exquisite pendant th...

Cartier Paris diamond bracelet/necklace. A convertible piece, the necklace set with thirteen round old cut diamonds in open back rubover settings with an approximate combined weight ...

Crafted as a double row of fluted oval gold links, each set with an oval-cut garnet and highlighted by round diamond accents. The design is interspersed with gold horsebit-style link...

This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers across the country. As the founder shifts focus to new ventures, he’s releasing a final selection of investment-grade gemstone and diamond pieces—offered exclusively to 1stDibs buyers at exceptional, below-market prices. This is not a liquidation or sale—it’s a one-time opportunity to acquire legacy-level jewelry at true insider value. Each piece is final; once sold, it will not be restocked. This is a platinum, custom-made, champagne diamond anniversary necklace...

Glistening Diamond This very charming antique Diamond pendant necklace is turn of last century, 1900/09 ca Eye catching design of a bygone time Elegant and timeless, full of glisteni...

Up for sale is this incredible statement piece, custom designed and newly crafted by Badis Jewelers. The necklace features a large, GIA certified heart ...

A beautiful pendant featuring a 2.94 Carat Natural Tanzanite and 0.81 Carats Diamond Accents set in Platinum. Tanzanite's name was given by Tiffany and Co after its only known source...

Platinum Diamond Sevillana Large 35mm Pendant Necklace by Elsa Peretti for Tiffany & Co. Retail Price: $32,000 plus tax. With Round brilliant cut diamonds VS1 clarity, G color Appro...

This unique and wonderful Cartier Paris Pendant-Watch necklace was manufactured ca. 1920 with the dial movement and case signed Cartier. The original guilloche dial has enamel roman numerals and fine enamel minute bars on the perimeter. The watch crystal is held within a fine gold ring...

Emerging from the esteemed House of Vivid Diamonds is an unparalleled masterpiece of jewelry craftsmanship—a necklace that exudes sheer opulence and elegance. This extraordinary crea...

--Stone(s):-- (1) Natural Genuine Sapphire - Large Oval Brilliant Cut - Prong Set - Gorgeous Multi Shade Blue Color - 5.12ct (exact) ** See Certification Details Below for Complete I...

Experience the epitome of elegance with the Tiffany & Co. Elsa Peretti diamond by the yard necklace in platinum. A masterpiece designed for those who appreciate the finer things in ...

Surge Necklace in Borosilicate Glass & Platinum Liquid by Noriko Herron Dimensions: L 35 cm. Materials: Platinum liquid and borosilicate glass. Dimensions may vary. Please cont...

An antique amethyst and diamond cross necklace. The necklace is composed as a delicate double-chain arrangement, set with 12 bezel-set square amethysts, accented with 10 round amethy...

Rare Vintage Tiffany & Co. Flower Garden Fancy Yellow Diamond Platinum & 18k Yellow Gold Pendant Necklace A beautiful platinum pendant necklace set with a beautiful arrangement of n...

Exquisitely hand-crafted, this 16" necklace features luminous greenish-blue diamond briolettes, each individually hand-wrapped with platinum wire. The subtle shimmer and gentle movem...

An Art Deco platinum charm pendant designed as a sailing yacht or sailboat with diamond and citrine sails on a sapphire boat. The charm is set with 25 round brilliant cut diamonds, t...

A delicate and elegant “Victoria” pendant crafted in platinum, featuring a refined floral-inspired design set with four marquise-cut diamonds 0.46cttw of F color and VS clarity. The ...

Beautiful Antique Art Deco Platinum 18K Gold Old Mine Diamond Sapphire Pearl Necklace. This amazing art deco old mine diamond and sapphire pearl necklace is crafted in platinum and 1...

An American art deco graduated green jade necklace. This is a fabulous long necklace sautoir created during the Art Deco period, back in 1930. The necklace is composed by one-hundre...

GIA-certified 0.86 carat oval cut natural untreated Brazilian alexandrite and 0.23 carat tapered baguette diamond solitaire drop pendant in platinum 900, featuring a transparent colo...

Victorian natural pearl necklace with a gorgeous clasp. Features three strands of natural pearls culminating with a diamond clasp set in platinum and yellow gold. The pearls come wit...

Surge Choker Necklace in Platinum, 925 Sterling Silver & Glass by Noriko Herron Dimensions: Ø 35 cm. Materials: Platinum liquid, 925 sterling silver, and borosilicate glass. Di...

Elegant estate diamond necklace featuring a GIA-certified natural fancy yellow heart-shaped diamond weighing 1.30 carats. The pendant is suspended from a double-strand 18K white an...

This elegant Harry Winston necklace features a classic line of brilliant-cut diamonds, culminating in a graceful cascade of larger pear-shaped and marquise diamonds that form a capti...

This beautiful ‘Victoria Key’ pendant comes from the designer Tiffany & Co. and features a diamond circle vine design. Three marquise cut diamonds are claw set, accompanied by a ...

This pendant necklace is a graceful and highly romantic design, combining ruby and diamond in an elegant double heart motif. Heart jewelry is especially desirable because it carries ...

An extraordinary high jewelry platinum necklace showcasing a magnificent suite of 11 cabochon rubies totaling approximately 56.73 carats. Each ruby is rich in saturation and arranged...

The center diamond is 1ct and the side diamonds totaled 0.60ct, the pendant is one of a kind with lots of details and a lot of hand work. This pendant is large and will definitly get...

Striking in both elegance and rarity, this refined necklace centers a floating oval briolette cut Burmese ruby weighing 6.30 carats, a gemstone prized for its vivid color and excepti...

An exquisite Tiffany & Co. solitaire pendant necklace featuring a stunning 2.69 carat round brilliant cut diamond of G color and VS1 clarity, displaying exceptional fire and bril...

Tiffany & Co. Marquise Cluster Diamond Platinum Necklace An extraordinary masterpiece of craftsmanship and elegance by Tiffany & Co., this statement necklace features a brea...

Here we have an absolutely breathtaking antique pendant that was crafted from solid platinum during the Belle Epoque period. This large pendant features an elegant, wide, flared desi...

♥ Platinum Natural Ruby and Diamond Choker Necklace 16.5" R4709 ♥ This item measures 18" in length.  Each ruby measures 5mm (North South direction), 4.8mm (East West direction), an...

Radiance in Motion: The Exquisite 1930's Sapphire and Diamond Necklace Step into an era of opulence with this breathtaking 1930's masterpiece, where timeless elegance meets unparall...

Antique Diamond Necklace 18ct White Gold & Platinum Circa 1920’s Gorgeous, Art Deco diamond necklace. Features a beautiful, long platinum drop pendant. Set with a sparkling, nat...

Stunning choker composed of 12 strands of seed pearls (circa 2,5 mm to 3 mm) well matched, of cream body color with faint rose overtones. They are of good quality and luster. The st...

TIFFANY & Co. Elsa Peretti Platinum Diamond 22mm Open Heart Pendant Necklace Metal: Platinum Weight: 8.80 grams Chain: 16" Pendant: 22mm wide Diamond: 27 round brilliant diamonds...

Estate Tiffany & Co. Victoria Collection diamond pendant necklace (large size) in platinum. The pendant has 4 marquise-shaped diamonds that total 0...

Designed as a stylized skeleton style key with a pierced quatrefoil motif head Accented by fancy yellow round brilliant cut diamonds bezel set in gold Bead set with additional F/G co...

An antique diamond, platinum, and yellow gold convertible brooch and pendant, comprising eighty-eight old cut and rose cut diamonds, set in platinum, and backed in 18 karat yellow go...

Here we have a stunning diamond necklace from the world renowned jewellery designer, Boodles. The necklace is crafted in platinum and forms part of the waterfall collection. The thre...

This is a beautiful Edwardian - Art Deco Pendant Necklace with Old Mine and Rose Cut Diamonds with gorgeous Pearls all set in Platinum with a Platinum link chain. The wonderful knif...

Elegant and impressive antique pendant featuring 7 round brilliant diamonds weighing approximately 3.50 carats and an impressive pearl drop in excess of 8mm. Pendants of this quality...

So translucent that it's nearly semi-transparent, this early Art Deco era (circa 1920) natural and untreated Burmese jadeite jade pendant has been carved to depict a grouping of melo...