12 Carat Necklaces

AKILLIS defines contemporary High Jewellery with this 12-carat necklace that works just as well with heels on the city streets as with a couture gown on the red carpet.

Crafted to honor the timeless elegance of emotion, the LEGACY 80 Carat Heart Diamond Necklace is a glowing cascade of rare natural brilliance — made only once and never again. Compo...

Item specifics Condition: New Main Stone Creation: Natural Metal Purity: 14k Gold Country/Region of Manufacture: United States Total Carat Weight: 12 Carat Style: Tennis Base Metal: ...

A necklace composed of a chain in 18-carat yellow gold and a rectangular pendant in 18-carat yellow gold decorated with 12 brilliant round cut diamonds of 0.01 carats each, or 0.12 c...

This is the spirit captured in the 12 Carat Fancy Light Yellow Pear-Shaped Diamond Necklace, a piece that speaks in subtleties yet leaves a lasting impression across generations.

Fancy Yellow to Fancy Light Yellow diamonds represent the most flattering spectrum of natural colored diamonds — radiant yet soft, glamorous yet understated. With a 12-carat GIA cert...

Introducing the LEGACY 65 Carat Fancy Yellow Diamond Drop Necklace, an elite, one-of-a-kind high jewelry creation that merges warmth, rarity, and elegance into a wearable work of art.

Necklace measures 12 3/4 in. long and comes with an additional 4 inch extension to fit larger neck.

14 Karat white gold estate pendant consisting of one 12 carat oval shaped carved piece of jadeite jade set with approximately 2.5 carats of round brilliant cut white diamonds. The p...

A crown sculpted in silence. This 50 Carat Diamond Necklace, anchored by a singular 12 Carat GIA-Certified Fancy Yellow Pear-Shaped Diamond, is more than high jewelry — it is a momen...

Exquisite diamond necklace crafted in 18 Karat white gold, showcasing 68 round brilliant cut diamonds weighing approximately 12 carats total, G color, SI Clarity.

Gorgeous Riviere necklace crafted in yellow gold, featuring 120 round brilliant cut diamonds weighing approximately 12 carats total, I-J color, SI clarity.

This fabulous over 12.00 carat! Pear shape pendant necklace would make Liz Taylor blush . This truly extraordinarily cut gem is a show stopping piece . The diamond is a D color . D i...

Iconic Tiffany & Co Paloma Picasso diamond heart pendant necklace. 17 round brilliant cut diamonds set in platinum. 16 inch chain. 17 round brilliant cut diamonds, approx. .12cts ...

1800s Victorian Diamond, Turquoise and 18 Karat Gold Necklace features .70 carats total weight of Diamonds, 12 carats total weight of Turquoise and 18 Karat Yellow and White Gold.

12 Carat Pear Cut Pink Tourmaline and Diamond Pendant Necklace Enhancer GIA Certified Report # 5192640764 This spectacular Pendant Necklace consisting of a single Pear Shape Pink To...

Platinum Nuvole 12ct Diamond Chocker Necklace by Bulgari. With 810 round brilliant cut diamonds VVS1 clarity, E color total weight approx. 12ct Details: Chain Length: 16'' Width: 1...

Crafted in 1980's made in 18k yellow gold this substantial rigid gold choker necklace is just lightly encrusted with round cut diamonds for a little glitz. Other than that it's a bea...

SHIPPING POLICY: No additional costs will be added to this order. Shipping costs will be totally covered by the seller (customs duties included). Elegant tennis necklace in 18 kar...

Era: Modern Composition: 14K Yellow Gold Primary Stone: One Hundred Thirty Nine Round Brilliant Cut Diamonds Total Carat Weight: Approximately 12 Carats Color/Clarity: H-I / SI1-...

Beautiful 12.00 ct. watermelon tourmaline rectangle. Handmade in 18k white gold. Length is 17".

The Necklace is made with round diamonds with a total 12 carat F-G color, VS1, VS2 clarity.

Over 12 carats of fine white diamond adorn this gorgeous 18kt white gold necklace.

14k Two-Tone Gold 0.40ctw Diamond Flower 12 Station Necklace Material: 14k White Gold & 14k Yellow Gold Diamond Details: Approximately 0.40ctw of Round Brilliant cut Diamonds. There ...

Unique piece. Necklace in 18 Karats yellow gold, eagle's head hallmark. Splendid and original necklace, it is made up of a flattened convolute mesh punctuated with opals cabochons in...

This luxurious design diamond drop necklace is simple but elegant. features Just under 4 carat Fancy Light Yellow Pear shape GIA certified, internally flawless and Excellent polish a...

Beautiful, Elegant & finely detailed Necklace featuring Blue Zircon Gemstones, inter-spaced with 14 Karat Yellow Gold Link Chain. Approx. Length: 16 inches. The necklace is in excell...

Kunzite Shaped Peach 11,12 Carat and Diamonds Baguettes White Gold Necklace. Kunzite Shaped Peach 11,12 Carat Diamonds Baguettes FG/VSSI 0,61 Carat Diamonds Brilliants FG/VSSI 1,11 ...

The necklace comes with matching earrings all crafted in 18 carat yellow gold .

**Item is available in 18 karat rose gold/white gold/yellow gold, please send private message to confirm the gold color.** 0.40 Carats 12-Station Diamond by the yard necklace set in...

This pendant features a beautiful 12.56 carat tanzanite cabochon with the rich, lavendar-blue color that tanzanite is famous for! This gorgeous jewel hangs suspended from sparkling t...

Magnificent Vivid Diamonds Cluster Brooch crafted in platinum, showcasing a total of 87 mixed pear shape, baguette, and marquise cut diamonds weighing approximately 12 carats total, ...

A substantial 18k yellow gold diamond and citrine Adler pendant. The pendant comprises of a cushion cut citrine approximately 12ct with a yellowish-brown hue throughout. Complementin...

Tiffany & Co. necklace from the Circlet collection finely crafted in platinum featuring a one round brilliant cut diamond set in a bezel in the center surrounded by a halo of channel...

A stunning display of cushion sapphires, assembled into the shape of a cross and bordered in a thin bezel of 18 karat yellow gold. The cross is then further framed in a platinum diam...

14kt White Gold Seahorse Pendant, Sapphires .30cttw and Diamonds .12cttw, 16 Inch Chain, Like New, 14mm x 19mm Size, 3.5 Grams w/ Chain. The chain .5mm wide has a lobster clasp and ...

This elegant opal pendant features a 9-carat central stone, notable for its unique ability to reflect and refract light, presenting a vivid display of blue and green hues to the nake...

Diamond watch pendant is very stately and showy in size measuring 2.39" long and hangs from a white gold 12 carat diamond line or tennis necklace chain which can be worn separately.

It features sixteen faceted organic shape citrines set in silver and accented with round diamonds (total weight approximately 12 carats). The necklace is 37 inches (94 cm) long, 1-...

Vintage Estate Graduated Riviera Necklace with 12ctw Diamonds in 14K Yellow Gold This Vintage Estate Graduated Riviera Necklace with 12 carats of diamonds is a true testament to ele...

Raymond Yard Strand Diamond Necklace Circa 1950 in 18 Karat Yellow Gold featuring 140 round brilliant cut diamonds G color VS clarity with a total estimated weight of 12 carats.

The hand carved shell cameo is set with .12 carats (.07 earring, .05 necklace) of single cut diamonds that are conservative G color Si clarity.

This gorgeous designer necklace is accompanied by a signature Tiffany & Co. presentation box. Brand: Tiffany & Co. Designer: Elsa Peretti Collection: Open Heart Metal Content: 18k...

Simply Beautiful! Featuring an Awesome Cushion Kunzite, weighing approx. 12 Carats. Securely Hand set and accented by Diamonds. approx. 0.04tcw. Finely detailed Hand crafted 18K Whit...

An iconic brand new Pomellato toggle necklace showcasing Black Jet weighing 12ct in brushed 18k rose gold. The necklace weighs 66 grams. Pomellato Retail Price: $15,800 Sku: 2210

The details for this beautiful necklace are listed below: Metal Quality: 14K Yellow Gold Total Gram Weight: 10.7 gr Chain Type: Paper Clip Chain Length: 20 in Clasp: Open Chain w...

Exquisite 12 Carat Morganite and Diamond Pendant Necklace.

12 Carat Emerald Cut Emerald and Diamond Pendant Necklace Enhancer This spectacular Pendant Necklace consisting of a single Emerald cut emeralds approximately 12 Carat.

A glamorous antique-style pendant with a chain with a dazzling 12-carat oval ruby. The jewelry is made of 18K Yellow with a high-quality polish. It comes with an IGI certificate and ...

This pendant is just gorgeous! It is pre-owned but in new condition. It was very well cared for. The cut of the stone is just magnificent. The base cut of the amethyst is pear cu...

Large Fine Natural Blue Aquamarine Pendant Necklace. 12 Carat Aquamarine with a stunning bright blue colour and excellent clarity, set in a fine 14k yellow gold solitaire pendant.

Made from perfectly cut hearts and arrow diamonds, this tennis single-line necklace guarantees luster and sparkle, like none other. Diamond Details Shape: Round Color: F Clarity: ...

It is a beautiful checkerboard cut Ruby and measures 15.5 x 16 x 7.7 mm. It is 12 carats and is wrapped with a 10k yellow gold and diamond loop.

14K yellow gold fire agate pendant with chain. The pendant has 2 fire agate cabochons that are chocolate brown with red, green and rainbow iridescence. The rounder fire agate weighs ...

"The Absolute Perfect Gift for Mom" Crafted in Italy, This 18 karat yellow gold bootie shoe charm is designed with light blue enamel and pink/purple flowers. The shoe is further enha...

Purple Amethyst have been a symbol of women for centuries! In the 1900's women would wear an accent of purple as a sign or sneaky way to say they support women's rights and deserve m...

*Custom design to order * Our showstopper natural Emerald "Forget Me Knot" ring is smothered in diamonds set in a combination of 22ct yellow gold and platinum Please message our...

These artistic multi-tier earrings feature vibrant Australian opals highlighted with sparkling diamonds and colorful gemstone accents including emeralds, rubies, and sapphires. Craft...

A fabulous 2 piece set in white lace from Christian Dior. It consists of a scoop neck camisole tank style top and straight midi length skirt in alternating lines of lace and sheer. ...

An icon of high jewelry, the Panthère de Cartier bracelet (Large Size) embodies the fierce spirit of Cartier’s most legendary motif. This striking design is crafted in platinum and f...

A fabulous black silk dress from an early collection of Alexander McQueen. It skims the body has a scoop neckline and 3 rows of ruffles beginning at knee level in the front and 8 sta...

Platinum Victoria Diamond and Aquamarine Pendant Necklace by Tiffany & Co. With 4 diamonds VS1 clarity, G color total weight approximately .64ct 1 round 7mm aquamarine approximately...

Dolce & Gabbana; black silk spandex figure hugging evening dress. - Lambskin leather grommet trim - Open on both sides with lace up fastenings - Invisible side zip closure ...

Oversized Chanel quilted logo letters duffel bag leather travel tote. 1992 {VINTAGE 30 Years} White lamb "CHANEL" lettering stitched on both sides Quilted supple black lambskin Tw...

This is an absolutely sumptuous natural brown Sable fur coat, by Revillon for Saks Fifth Avenue. This coat has a large notched collar, two front slit pockets, an open front and is ...

Beautiful GIANNI VERSACE COUTURE SS 2000 silk blouse Finest purple silk Versace SS 2000 Jungle Collection Extremely versatile Sexy deep cleavage Swarovski crystal buttons Made in ...

Chanel Vintage Beach Bag CC Tote Towel Rare Piece 1989 {VINTAGE 33 Years} White terry "CC" lettering stitched on one side Black leather lined interior Interior zippered and open poc...

Indulge in timeless elegance with this exquisite three-strand Akoya cultured pearl necklace. Meticulously crafted with 14 karat white gold, this statement piece features 189 luminous...