An 18 Karat Gold, Boulder Opal, Diamond and Colored

Opal and Diamond Ring.  This 18 karat yellow gold ring features a 13.93 carat, polished freeform beautiful genuine boulder opal that is bezel-set in a frame of .75 carats round, brilliant-cut, G-

An Opal & Diamond Ring. 18 karat yellow gold freeform mounting contains one bezel set boulder brown opal which weighs approximately 9.60 carats. Surrounding the opal are six prong set round brilliant

A 14 Karat Yellow Gold, Boulder Opal and Diamond Ring, containing one freeform boulder opal measuring approximately 36.00 x 25.80 mm and 126 round brilliant cut diamonds weighing approximately 1.25 ca

with opal dial; mechanical movement; containing 30 full cut diamonds [G-H/VS] weighing approximately 1.20 carats total; the case back stamped '9190A6 / 199725'; 60.9 grams; 7 inches long; Condition: b

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

white gold brooch center bezel set with one oval cabochon cut White Opal, approximately 54.80 carats, accented with 46 full cut round Diamonds [I/I-1], approximate total weight 0.48 carats, 27.1 grams

An 18 Karat Yellow Gold, Cultured Golden South Sea Pearl, Diamond and Colored Diamond Ring, containing one golden South Sea pearl measuring approximately 16.96 x 16.75 mm, 32 round brilliant cut diamo

A Diamond and 14 Karat Yellow Gold Ring. Together with an opal, diamond and 18 karat yellow gold ring (size: 8.5) Diamond ring size: 7 Wt of both: 3.3 grams

These cosmic boulder opal cufflinks are crafted in 18-karat yellow gold, weighing 26.4 grams and measuring 22mm x 15mm. Showcasing a pair of rectangle prong-set boulder opals, weighing approximately,

Approx. 2.14 Carat Opal,3.38 Carats Diamonds and 18 Karat White Gold Pendant. Stamped 18K. Measures 1-1/4" x 1-1/4". Approx. weight 6.15 grams. Condition: As New Condition. Estimate: $500.00 - $700.00

Ladies' vintage 18 karat yellow gold Casbah cocktail ring, set to the center with large marquise cut opal stone, encircled by approx. seventeen round brilliant cut diamonds and seventeen round opal ac

Approx. 12.81 Carat Opal, .93 Carats Diamonds and 18 Karat White Gold Pendant. Stamped 18K. Measures 1-5/8" x 1-1/2". Approx. weight 10.68 grams. Condition: As New Condition. Estimate: $800.00 - $1200

An 18 Karat Yellow Gold Opal Ring, containing one oval cabochon cut opal measuring approximately 9.85 x 6.88 x 4.06 mm and six round brilliant cut diamonds weighing approximately 0.18 carat total. Sta

This is a GIA graded rare colored greenish, yellow diamond, set in a beautiful 18 karat white gold diamond halo mounting. Browse through the photos to see the amazing colors this diamond exhibits. The

GRIMA: BOULDER OPAL AND DIAMOND DRESS RING, 1977 The oval boulder opal in a pierced mount of textured wire with brilliant-cut diamond accents, mounted in 18 carat gold, signed Grima, workshop mark HJC

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

14 Karat yellow gold pendant bezel set with one oval cabochon cut Sugar-treated Opal, approximately 69.07 carats, accented with 18 full cut round Diamonds [H/VS], approximate total weight 0.54 carats

An Opal and Diamond Cocktail Ring. 18 karat yellow gold ring designed as a gold loop on one side with a two-piece opal loop on the opposite side, connected by a pave set white gold diamond element Siz

A 14 Karat White Gold, Opal and Diamond Ring, containing one oval cabochon cut opal measuring approximately 12.12 x 10.18 x 4.42 mm and four round single cut diamonds. Stamp: 14K (maker's mark). 3.00

18 karat yellow gold ring with one oval cabochon semi-Black Opal with gray background that weighs 15-1/2 carats. 41 round full cut diamonds at 0.84 NEIMAN MARCUS. Appraised Fair Market Value (FMV) is

An unusual vintage ear-clips made in Germany, circa 1960s. Crafted for Spritzer & Furhmann, with an undulated shape of twisted wires made of 18 karats yellow gold and suited, with omega backs. Mounted

Vintage Large White Opal, Approx. 2.50 Carat TW Marquise Cut Ruby, 1.50 Carat TW Oval Cut Diamond and 18 Karat Yellow Gold Cluster Ring. Opal with good play of multi color. Diamonds D-E color, VS1-VS2

AMETHYST, OPAL AND DIAMOND BEE BROOCH Oval mixed cut amethyst, round brilliant cut diamonds and round cabochon opals. 18 karat yellow gold. 1 1/2 inches x 1 inch. Stamp: SB 18K 765. Gross wei

A Multi-Colored Sapphire and Diamond Bracelet. 18 karat white gold bracelet is mounted with alternating floret links containing pink, yellow and blue sapphires. The center of each floret is mounted wi