18 Karat Diamond Collar Necklace

An 18 Karat Bicolor Gold and Diamond Tubogas Collar Necklace, Micheletto, in a yellow gold flexible design, the white gold endcaps containing 86 round brilliant cut diamonds weighing approximately 2.1

An 18 Karat Yellow Gold, Sapphire and Diamond Invisibly Set Collar Necklace, KEVORK, containing 274 baguette cut sapphires weighing approximately 28.00 carats total, and 86 baguette cut diamonds weigh

gold collar design necklace channel set with 116 princess cut Diamonds [I/SI], approximate total weight 5.80 carats, 117.2 grams, 15-3/4" long by 7.00 mm. wide;

the 18 karat gold collar necklace containing 26 full cut diamonds [H/VS] weighing approximately 0.64 carats total (48.3 grams); the 14 karat 'V-shape' beveled herringbone chain necklace containing nin

the 14 karat yellow gold woven collar style necklace having an 18 karat white gold slide pendant, which contains 21 full cut diamonds [H/VS] weighing approximately 0.21 carats total, with white gold d

Very Fine 18 Karat Ruby And Diamond Necklace Weighing 131.1 grams Set with 305 Diamonds weighing app. 55.00 Ct. Along with 95 Diamonds weighing app. 12.00 Ct. F-H Color, VVS1-VS1 Clarity Along with 25

center bezel set in the necklace is one marquise brilliant cut diamond [H/SI-1], approximately 1.90 carats, enhanced with two tapered baguette cut diamonds [G-I/VS], approximately total weight 0.36 ca

containing 145 full-cut diamonds [G-H/VS-SI] weighing approximately 6.50 carats total; 93.0 grams; 18 inches long

containing 294 square modified brilliant cut invisibly set diamonds [G/VS] weighing approximately 18.84 carats total 100.3 grams (with one extra link weighing 3.6 grams) 16 inches wide x 9.30-9.00 mm

Including an 18 karat yellow gold necklace set with 15 full cut round diamonds[G-I/SI], total approximate weight 1.60 carats; necklace measures 20 inches long and weighs 4.8 grams; and one 18 karat ye

An 18 Karat Yellow Gold Collar Necklace, Lalaounis, designed as a sculpted graduated ribbed design, with open back and side hinges. Stamp: 750 LALAOUNIS A.210 (partially indistinct). 65.70 dwts. Estim

gold flexible brick link necklace bead set with 138 full cut round Diamonds [I/VS], approximate total Diamond weight 2.76 carats, 69.8 grams, 17" long by 8.00 mm. wide;

the diamonds weighing approx. 5.72 total carats [average H, VS] 33.9 grams 18 1/2 inches long

the diamonds weighing approx. 2.12 total carats [H, VS] 15.5 grams the chain: 16 inches long; the pendant, 2 5/8 x 1 3/8 inches

set with a single graduated row of seven full cut round diamonds [I-K/I-1], total approximate weight 0.91 carats; measures 14-¼ inches long; weighs 4.7 grams

Containing twenty-one briolette cut diamonds weighing approximately 4.06 carats total. 17" long. 1.6 dwt.

in the 'Alhambra' style containing 279 full cut diamonds [H-I/VS] weighing approximately 1.80 carats total 32.6 grams 36 inches long

The cable-link chain adjustable length necklace set with one cut-corner rectangular step cut diamond [H-J/VS], approximately 0.20 carats 18 inches long, 2.2 grams

one necklace containing twelve full-cut round diamonds [I-J/SI] weighing approximately 0.12 carats (18 inches long, 4.8 grams); and one necklace containing 20 full-cut round diamonds [I-J/SI] weighing

Heavy vintage 18 karat yellow gold collar necklace measuring approx. 16" in length and 3/4" in width. Marked "750". In excellent condition. Total weight: 952 grams. Property of a Boca Raton estate. Sh

An 18 Karat White Gold and Diamond Necklace, Stefan Hafner, containing 172 round brilliant cut diamonds weighing approximately 4.60 carats total. Stamp: (Italian hallmark and maker's mark) 750. 16.70

18 karat white gold and diamond necklace by Buccellati, Italy, of graduated swag design composed of twisted white gold rope links accented by 59 round diamonds weighing approximately 2.50 carats, gros

This classically distinct and timelessly elegant Tahitian pearl necklace incorporates 37 highly lustrous, graduated South Sea Tahitian pearls of an exotic Peacock green-black color. The eye-catching '

containing 153 full cut diamonds [I/VS] weighing approximately 4.80 carats total 47.9 grams 17 3/4 inches long