Opal, Diamond and 18K Necklace

Vintage Large and Magnificent Oval Cabochon Opal, Round Brilliant Cut Diamond and 18 Karat Yellow Gold Necklace. Opal measures 1-1/8" L, 13/16" W. Diamonds F-G color, VS1-VS2 clarity. Stamped 750. Mea

Fire Opal, Diamond, 18k Yellow Gold Necklace. Featuring one rectangular, faceted-top fire opal measuring approximately 15.9 x 10.1 mm, suspending three faceted fire opal bead tassels, wrapped in an 18

1.50ctw VS1-VS2/G-H Diamond, 18K White Gold and 3mm-8mm Opal Bead 7-Strand Necklace - This beautiful necklace has a 7-strand design lined with a plethora of 3mm-8mm genuine solid opal beads. The neckl

Opal Bead, Diamond, 18k Yellow Gold Necklace. Featuring opal beads ranging in size from approximately 7.5 mm to 4.7 mm, completed by a diamond, 18k yellow gold bean shaped clasp, forming a graduated 1

18K Opal Diamond Necklace, 8.1g. Marked 750. Receipt Marked: "Curtis Jewelers Opal Guarantee... Opal type: Crystal, Carat Weight 20.68ct." Pendant Approximately 2.0L x 0.875W in. Opal Approximately 1.

METAL: 18k Gold. GEMSTONES: Diamonds approx. 0.15ctw. Opal. MEASUREMENTS: Necklace is 18" long, pendant - 50mm long x 28mm. MARKED: Illegible designers marks, Joiers, B-193 750. WEIGHT: 28.9 gram

Fine diamond & opal pendant. Crafted of 18k white gold. Features a tear drop shaped cabochon of opal measuring 12mm x 8mm. The opal has excellent play of color with rich greens, blues, reds,and yellow

Edwardian 18k gold opal and diamond necklace, 17" chain with small center piece holding chain two round pendant measuring 9/16" in diameter, fifteen mine cut diamonds measuring between 0.04 to 0.06 ca

Stone: Creation, Diamond/Opal Stone: 61 pieces, Clarity: VS1, Color: F, Shaped: Round Brilliant Opal Item: Octopus Necklace Opal Length: 17 Opal Pendant Dimensions: 26mm x 29mm Opal Metal: 18K white g

Stone: Creation, Diamond/Opal Stone: 61 pieces, Clarity: VS1, Color: F, Shaped: Round Brilliant Opal Item: Octopus Necklace Opal Length: 17 Opal Pendant Dimensions: 26mm x 29mm Opal Metal: 18K white g

Stone: Creation, Diamond/Opal Stone: 61 pieces, Clarity: VS1, Color: F, Shaped: Round Brilliant Opal Item: Octopus Necklace Opal Length: 17 Opal Pendant Dimensions: 26mm x 29mm Opal Metal: 18K white g

18k Gold w/ Large Opal & Diamond Necklace, marked 750, approx 15.7g total weight -

132050 14K NECKLACE, EARRINGS & 18K DIAMOND PENDANT - 3 14K yellow gold necklace, diamond and opal earrings, and 18K yellow gold diamond and opal pendant- lot of 3. To include one 14k pair of 0.2ct (0

DESCRIPTION: An antique middle eastern double stranded necklace, comprised of Ethiopian opals terminating at a center 18k yellow gold pendant, garnished with approx .50 cts of Diamonds. Further design

83.10ct Yellow-Orange Fire Opal, 11.25ctw Multi-Color Tourmaline, 2.25ctw VS1-VS2 Multi-Colored Diamond & Solid 18K Yellow Gold 18" Necklace (W/$30,000 Appraisal) - This stunning necklace was finely c

A TIFFANY & CO. 18K YELLOW GOLD, DIAMOND, OPAL, AND BAROQUE SEED PEARL NECKLACE, 1970s-1980s, design attributed Angela Cummings, an 18k yellow gold clasp set with a pavé of thirty-five round cut di

18k Yellow Gold Opal and Diamond Necklace. Pendant set with diamond in weight of about 0.03ct and opal (8x6mm). Marked. Chain length: 41cm. Pendant: 22x7mm. 5.85gr.

18K and 14K white gold Australian opal and diamond pendant necklace, pendant with one 16.65ct. oval-cut 25 x 21mm Australian opal accented with six round brilliant-cut diamonds approx: 0.12 ct tw., co

Roberto Coin 18k Rose Gold pendant necklace with GIANT oval flame opal, blue sapphire, and diamonds. One oval flame opal measuring 36.00 x 21.00mm displaying red, orange, blue and green play of color.

METAL: 18K white gold GEMSTONE(S): opal approx. 9.45 carats; round brilliant-cut diamonds approx. 0.80 carats total, most I-J/SI-I1; onyx MEASUREMENTS: necklace length 18-5/8 inches, pendant 2 x 7/8 i

Crafted in platinum and 18K gold; set with a trapezoid cabochon-cut black opal, measuring approximately 12.40 x 9.30 x 4.65 mm; lozenge-shaped sapphire, weighing approximately 2.60 carats; accented by

18k yellow gold; Pendant stamped: PAF / British Assay marks; Necklace stamped: Gioconeli / 750 / Assay marks Including a rigid collar necklace (0.375" W x 15.0" L) with a detachable pendant by design

13mm Black Opal & Solid 18K White Gold 18" Necklace W/Diamond Accents - This lovely necklace was finely crafted of solid 18k white gold and is comprised of a 0.75" pendant which hangs on an 18" chain.

including amethyst and diamond ring, two onyx pendants, two diamond pearl enhancers and two pairs of earrings, both for pierced ears together with an 18k gold necklace set with an opal doublet, 24 dwt