57.50ctw Tanzanite & 18.75ctw Diamond 18K Necklace

56.50ct Tanzanite, 6.00ctw VS2-SI1 Yellow & White Diamond Solid 18K White/Yellow Gold 20" Necklace (Comes W/$115,000 Appraisal) - This stunning necklace was finely crafted of solid 18k white and yello

Lady's 16.8ct Tanzanite & Diamond 18k Pendant Necklace 16''. Includes a pear shaped mixed cut tanzanite zoisite measuring 17.6x14.1x10.12mm. It is transparent dark violetish blue of medium-high intens

34.50ct Tanzanite, 6.85ctw Multi-Color Diamond Solid 18K White & Yellow Gold 20" Necklace - This gorgeous necklace was finely crafted of solid 18k white gold and is comprised of a 1.5" pendant which h

Mikimoto Tanzanite, Diamond & Pearl Choker Necklace in 18k White Gold

METAL: 18k Gold. MEASUREMENTS: Pendant is 40mm in diameter. Necklace is 16" long. GEMSTONES: Tanzanite, Diamonds approx. 342 stones. MARKED: 750. WEIGHT: 16.9 grams.Gemstones have not been graded

18K gold, tanzanite and diamond necklace featuring a central cushion cut tanzanite, 16.50 cts. approximate accented by 126 round brilliant, marquise and pear shaped diamonds, 7.0 cts. approximate tota

METAL: 18k Gold. MEASUREMENTS: Necklace is 16" long, pendant is 9.5 x 7.5mm. GEMSTONES: Tanzanite, Diamonds approx. 0.13ctw. MARKED: 750 Italy. WEIGHT: 2.3 grams.Gemstones have not been graded fo

Gem: Creation Diamond/Tanzanite ) Creation Diamond: 1.00 carat Oval (Clarity: VSI, Color: E) Center stone: 2.08Carat Oval Shape (Clarity: VSI, Color: Blue/Violet) Metal: 18k white gold over 925 silver

Gem: Creation Diamond/Tanzanite ) Creation Diamond: 1.00 carat Oval (Clarity: VSI, Color: E) Center stone: 2.08Carat Oval Shape (Clarity: VSI, Color: Blue/Violet) Metal: 18k white gold over 925 silver

Gem: Creation Diamond/Tanzanite ) Creation Diamond: 1.00 carat Oval (Clarity: VSI, Color: E) Center stone: 2.08Carat Oval Shape (Clarity: VSI, Color: Blue/Violet) Metal: 18k white gold over 925 silver

18K White Gold 15.42ct Tanzanite & 3.76ctw Diamond Necklaces & Pendants

Modernist Diamond, Multi-Stone, Platinum, 18k Yellow Gold Pendant Necklace. Featuring one cushion-cut, faceted-top tanzanite measuring approximately 9.25 x 7.42 x 6.4 mm, accented by three full-cut di

Crafted in 18K white gold, featuring a magnificent cushion modified brilliant-cut tanzanite weighing 50.60 carats, surrounded by 45 round brilliant-cut diamonds, weighing a total of approximately 0.67

Crafted in 18K gold; set with a 7.40-carat triangular-shaped tanzanite; accented by triangular-shaped diamonds, weighing a total of approximately 1.30 carats, with H-J color and VS-SI clarity; omega n

Cartier Maillon Panthere 7.50ctw VS1-VS2/E-F Diamond Solid 18K White Gold 16.5" Necklace - This beautiful necklace from Cartier's Maillon Panthere collection was finely crafted of solid 18k white gold

80.00ctw Cabochon Emerald, 25.00ctw VS1-VS2/F-G Diamond & Solid 18K White Gold 14mm Wide Cocktail Necklace (Comes W/$72,000 Appraisal) - This stunning cocktail necklace was finely crafted of solid 18k

Orlandini Couture 2.00ctw Diamond Solid 18K Yellow and White Gold Lace Sphere Triple Row Necklace - This spectacular couture Orlando Orlandini necklace was finely crafted of 18k yellow and white gold

Barry Kieselstein-Cord 2001 1.50ctw VS1-VS2/F-G Diamond Solid 18K Yellow Gold 16" Necklace - This beautiful necklace was made in 2001 by renowned designer Barry Kieselstein-Cord. The necklace was fine

Verdura 15mm-17mm Tahitian South Sea Pearl, 2.25ctw Cognac Diamond and Solid 18K Yellow Gold 36" Necklace - This beautiful necklace was made by Verdura and was finely crafted of solid 18k yellow gold.

Roberto Coin 1.50ctw VS1-VS2/G-H Diamond and Solid 18K Yellow/White Gold Woven Collar Necklace - This exquisite necklace was made in Italy by Roberto Coin. The necklace was finely crafted of solid 18k

Cartier Maillon Panthere 1.40ctw VVS2-VS1/E-F Diamond Solid 18K White Gold 16" Necklace W/Certificate - This beautiful necklace from Cartier's Maillon Panthere collection was finely crafted of solid 1

Roberto Coin 7.25ctw VS1-VS2/G-H Diamond Solid 18K Tri-Color Gold 16" 3-Row Necklace - This lovely necklace by Roberto Coin has a 3-row design comprised of yellow, white and rose gold. The necklace is

Fred Paris 3.00ctw VS1-VS2/F-G Diamond Solid 18K Yellow Gold Collar Necklace (Comes W/$22,000 Appraisal) - This gorgeous necklace was made by world renowned jewelry designer Fred of Paris. The necklac

Chanel Camelia 1.00ctw VVS2-VS1/E-F Diamond Solid 18K White Gold 16" Collar Necklace - GUARANTEED FREE SHIPPING WILL ARRIVE BEFORE CHRISTMAS IF PAYMENT RECEIVED WITHIN 72 HOURS. This exquisite necklac