56.50ct Tanzanite, 6.00ctw 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

Diamond and 18k white gold diamond collar necklace, having one (1) larger round brilliant cut, four (4) triangular cut, fifty (50) baguette cut, and approximately three hundred twenty (320) smaller ro

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