An 18 Karat Bicolor Gold Convertible Bracelet/Necklace,

A Vintage 18 Karat Bicolor Gold and Cultured Pearl Convertible Necklace, Mario Buccellati, consisting of two sections that can be worn as separate necklaces or combined, consisting of one necklace con

A Pair of 18 Karat Bicolor Gold, Colored Diamond and Diamond Earclips, containing numerous round brilliant cut diamonds and mixed cut colored diamonds (origin of color not tested) weighing approximate

An 18 Karat Bicolor Gold, Pink Sapphire and Diamond Bracelet, Hasbani, containing 31 oval shape mixed cut pink sapphires weighing approximately 13.25 carats total and 42 round brilliant cut diamonds w

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 Bicolor Gold Wristwatch, Bvlgari, 26.00 mm case diameter, matte black dial, gold baton and Arabic numerals, gold baton hands, polished bezel double signed BVLGARI, snap on case back, quart

An 18 Karat Bicolor Gold and Diamond Curb Link Necklace, consisting of yellow gold curb links accented centrally with three white links containing 14 round brilliant cut diamonds weighing approximatel

An 18 Karat Bicolor Gold Necklace, Italian, consisting of a 'Parentesi' style link measuring approximately 17.00 mm wide, accompanied by an additional section of removed links. Stamped ITALY 750. 74.4

An 18 Karat Bicolor Gold Ref. BB 23 2T 'Tubogas' Wristwatch, Bvlgari, 23.00 mm case diameter, black dial, gold baton and Arabic numerals, gold pencil hands, polished gold bezel signed BVLGARI, snap on

An 18 Karat Bicolor Gold, Aquamarine and Diamond Ring, containing one octagonal step cut aquamarine measuring approximately 20.47 x 14.87 x 10.42 mm and four round brilliant cut diamonds weighing appr

An 18 Karat Bicolor Gold and Diamond Ring, Italian, containing 73 round brilliant cut diamonds weighing approximately 2.92 carats total, with ribbed textured gold surround. Stamp: 18K ITALY. 15.70 dwt

* An 18 Karat Bicolor Gold and Diamond Necklace, Italian, containing 25 round brilliant cut diamonds weighing approximately 0.90 carat total. Stamp: 18K ITALY. 28.20 dwts. Estimate $1,200-1,800 Proper

An 18 Karat Bicolor Gold, Diamond and Ruby Bee Brooch, Herbert Rosenthal, the head and legs of textured yellow gold design, the body and wings in white gold, containing two round mixed cut ruby eyes a

An 18 Karat Bicolor Gold, Tsavorite Garnet and Diamond Ring, Italian, containing one oval mixed cut tsavorite garnet measuring approximately 8.85 x 5.66 x 3.55 mm, 12 round mixed cut tsavorite garnets

An 18 Karat Bicolor Gold Panther Motif Ring, consisting of a yellow gold panther motif in a walking pose against a matte white gold background. Stamp: (maker's mark) 18K. 9.65 dwts. Estimate $ 400-600

An 18 Karat Bicolor Gold and Diamond Acorn Motif Brooch, Italian, consisting of a cluster of five acorns containing 44 round single cut diamonds weighing approximately 0.22 carat total and six texture

An 18 Karat Bicolor Gold, Sapphire and Diamond Fish Motif Brooch, Hammerman Brothers, containing one round mixed cut sapphire measuring approximately 3.05 mm in diameter, 10 round brilliant cut diamon

A Pair of 18 Karat Bicolor Gold Earclips, H. Stern, consisting of a polished yellow gold and matte white gold ribbed design. Stamp: 750 (maker's mark for H. Stern). 11.60 dwts. Property from the Estat

An 18 Karat Bicolor Gold and Diamond Ring, Lang, containing ten baguette cut diamonds weighing approximately 0.70 carat total. Stamp: 750 LANG 18K. 5.30 dwts. Estimate $ 400-600 The ring is approximat

* An 18 Karat Bicolor Gold and Diamond Floral Motif Brooch, consisting of yellow gold open textured petal design, the white gold center containing 13 round brilliant cut diamonds weighing approximatel

A Pair of 18 Karat Bicolor Gold Panther Motif Earclips, consisting of a yellow gold panther motif in a walking pose against a matte white gold background, posts with clip backs. Stamp: (maker's mark)

An 18 Karat Bicolor Gold and Diamond Ring, containing 24 round brilliant cut diamonds weighing approximately 1.20 carats total. Stamp: 750 TLI. 5.60 dwts. Estimate $ 400-600 The ring has scattered sup

A Pair of 18 Karat Bicolor Gold and Diamond Earclips, containing six square step cut diamonds weighing approximately 0.24 carat total and 20 round brilliant cut diamonds weighing approximately 0.40 ca

An 18 Karat Bicolor Gold and Diamond 5-Row Band Ring, Birks, consisting of alternating yellow gold rope texture and white gold bands containing 36 round brilliant cut diamonds weighing approximately 0

An 18 Karat Bicolor Gold and Aquamarine Ring, Italian, containing one oval cabochon cut aquamarine measuring approximately 9.35 x 7.22 x 6.27 mm. Stamp: (Italian hallmarks) 750. 8.75 dwts. Estimate $3