18K Bi-Color Opal Ring

Fine 18K bicolor ring set with one small diamond, wt. 5.2gm, size 12

bezel-set with 8 round brilliant-cut diamonds in textured white gold, weighing 0.40ct., G-H/VS, in textured yellow gold; signed Gianmaria Buccellati Italy; weighing 4.4 grams; width: 7.0mm; size: 4 (v

Large bicolored purple & yellow ametrine (approx 14mm x 12mm) set in a heavy 18KT yellow gold mounting. It is a size 7 1/2 and weighs 11.8 grams (7.5 DWT).

18K BICOLOR DIAMOND RING comprising 9 pave set square cut diamond melee, overall head 12x12mm, in white and yellow gold stamped 750, size 3.75, 8.2gms.

accented with 6 bezel set diamonds, height 10mm, stamped 750, size 7, 5.8gms.

18K yellow and white gold ring set with a large 12.7mm rose cut citrine surrounded by round cut diamond accents. Ring size 6.5. Stamped 750. Approx. weight 9.1 grams.

18k white and yellow gold ring band set with eight round diamonds. Ring size 7 1/2. Hallmarked 750 and engraved F - F 25.1.2009. Approx. overall weight 8.6 grams.

18K Yellow Gold Weight 11.1gr 1970Õ Bicolor Turmaline Approx 4ct Diamond Ring Size 8 Measurements 0.6ÓX0.8Ó

AN 18K BI-COLOR GOLD AND SAPPHIRE RING • 18k white and yellow gold • 1 oval sapphire weighing 6.29 carats • Size 7 1/2 • Estimated gross weight: 8.5 grams Footnotes: Accompani

18K white and yellow gold ring set with a 11.11mm 6ct sapphire center stone surrounded by multi size sapphires and diamond accents. Ring size 6. Stamped 18K. Approx. weight 8.3 grams.

AN 18K BI-COLOR GOLD AND DIAMOND RING Featuring three rows of graduated diamonds weighing approximately 1.05 carats on a 'V' shape design with bi-color stripes, size 6 3/4

A Bicolor Gold, Opal and Diamond Ring, containing one oval cabochon cut opal measuring approximately 15.40 x 12.25 mm and 12 round brilliant cut diamond weighing approximately 0.96 carat total. 9.30 d

A gorgeous lapis lazuli and ruby cocktail ring, in bicolor 18K gold, circa 1970's - 1990's. This delightful piece has been crafted out of, two tone, 18 karat yellow and white gold and been set with an

comprising 5 round inset diamonds approx. 0.25 carats, in white and yellow gold, stamped '18KP', height 9mm, size 6.25, 12.3gms.

Van Cleef & Arpels 18K yellow and 18K white gold ring with a large domed oval shaped naturally color-changing turquoise center stone. Stamped VCA with serial numbers. Details and measurements: Turquoi

AN 18K BI-COLOR GOLD, SAPPHIRE AND DIAMOND RING Centering an oval mixed-cut sapphire weighing approximately 4.35 carats, accented baguette diamonds weighing approximately 0.90 carat, size 8

AN 18K BI-COLOR GOLD, SAPPHIRE AND DIAMOND RING • 18k white and yellow gold • 13 oval sapphires • 17 round diamonds • Size 7 1/2 • Estimated gross weight: 15.9 grams Foot

AN 18K BI-COLOR GOLD AND DIAMOND LEAF RING In a leaf design set with round diamonds with an estimated weight of 2.10 carats, size 7 3/4

MARCO BICEGO: AN 18K BI-COLOR GOLD AND DIAMOND 'MARRAKECH' RING, ITALY Featuring round diamonds set in a woven textured gold band, signed Marco Bicego, Italian registered trademark, size 7 3/4 This l

A pair of 18K bicolor gold earrings with matching ring, LLBA designed as a set of oval-shaped bicolor, eighteen-karat polished yellow gold, and sandblasted white gold earrings, together with a matchin

AN 18K BI-COLOR GOLD, YELLOW SAPPHIRE AND DIAMOND RING Centering an oval yellow sapphire weighing approximately 6.15 carats accented by round diamonds set in a swirling openwork shank, size 8 1/2

A PAIR OF 18K BI-COLOR GOLD, RUBY AND DIAMOND EARRINGS AND RING • 18k yellow gold and white gold • 12 marquise shaped rubies • 10 oval rubies • 12 round diamonds • Both w

A DIAMOND RING Centering a round brilliant-cut diamond weighing approximately 1.85 carats, mounted in 18k bi-color gold, size: 11 1/4

View a video of this lot: Click HereSummary of Key Characteristics • Metal: 18K bi-color gold • Gemstone(s): round brilliant cut diamonds approx. 0.3