AN OPAL RING set with a pear shaped cabochon opal of 6.00 carats, stamped 925, size P / 7.5, 5.3g.

AN OPAL RING set with a pear shaped cabochon opal of 6.00 carats, stamped 925, size P / 7.5, 5.3g.

NO RESERVE - AN ANTIQUE OPAL FIVE STONE RING in 18ct yellow gold, set with five graduated oval cabochon opals, stamped 18ct, size P / 7.75, 4.8g.

AN OPAL AND DIAMOND DRESS RING in 18ct white gold, set with a pear shaped cabochon opal within a twisted mount, accented by round cut diamonds, stamped 18kt, size Q / 8, 8.6g.

18k yellow Gold Ring, set with a Pear shaped Cabochon Opal with 6 Singe cut Diamonds on the side weighing Approx. 0.60 carats. J-K color, I1 clarity. Ring size: 8. Weight: 5.8 grams.

DESCRIPTION: 14k stamped setting with 3.18 carat pear shaped opal cabochon surrounded by ninety-two round brilliant cut diamond melee. MEASUREMENTS: 11.33 carats total diamond weight. 6.6 dwt. Size 8.

A FINE ART DECO BLACK OPAL AND DIAMOND RING in white gold, set with a pear shaped cabochon opal accented by round cut diamonds, no assay marks, size I / 4.5, 3.5g.

AN ANTIQUE OPAL AND RUBY RING in yellow gold, set with a pear shaped cabochon opal within a border of cushion cut rubies, no assay marks, size O / 7, 3.2g.

AN OPAL AND DIAMOND DRESS RING in platinum, set with two cabochon opals and two old cut diamonds, the diamond both totalling 0.4-0.5 carats, stamped PT, size M / 6, 3.6g.

Rushmore Gold - Black Hills Gold ring, set with marquise shaped cabochon white opal, likely 1.25 carat stone, ring size 6.25; [1.09 dwt total], EX

AN OPAL DRESS RING in yellow gold, set with an oval cabochon opal weighing 3.05 carats, no assay marks, size N / 6.75, 4.2g.

Marked 14K gold ring set with pear shaped opal and sixteen .01 carat each round single cut diamonds. Total diamond weight approximately .16 carat (Clarity I2, Color J-K). Size 6-1/2. 5/8" wide. 3.0 dw

AN OPAL FULL ETERNITY RING in 14ct yellow gold, set all around with a row of round cabochon opals, stamped 14k, size T1/2 / 9.75, 1.2g.

AN OPAL HALF ETERNITY RING in 18ct yellow gold, set with a row of round cabochon opals totalling 1.0-1.2 carats, stamped 14k, size O1/2 / 7.25, 1.14g.

AN ANTIQUE OPAL AND DIAMOND RING in 18ct yellow gold, set with three cabochon opals punctuated by pairs of old cut diamonds, stamped 18ct, size N / 6.75, 4.2g. 

AN ANTIQUE GARNET AND OPAL RING in 15ct yellow gold, set with a cushion cut garnet between two cabochon opals, full British hallmarks for Birmingham 1921, size P / 7.75, 2.5g, together with an antique

Four Gold and Gem-Set Ringsto include one set with three oval cabochon opals, stamped 14K (ring size 7); one set with cabochon opals in a floral motif, testing 14KT (ring size 5); one set with pear cu

AN ANTIQUE OPAL AND DIAMOND RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with three cabochon opals, accented by round cut diamonds, stamped 18CT & PT, size L / 5.75, 2.7g.

NO RESERVE - AN OPAL AND DIAMOND DRESS RING, Made in yellow gold and platinum, Oval cabochon opal, weighing approximately 1.50 carats, Single cut diamonds, Stamped Plat,Size N / 6.75, Weight 2.0 grams

A PLATINUM, OPAL AND DIAMOND RING Centering an opal oval-shaped cabochon weighing approximately 4.10 carats encircled by round diamonds weighing approximately 0.75 carats, size 6 3/4

Antique ring set with a central round diamond weighing approximately 0.20ct and with a flat diamond-shaped opal cabochon . Weight: 3.3g. Size: 7.75.

Set with a marquise opal approx. 10x5mm, and 6 side diamonds approx. 0.18 carats, in yellow gold stamped 14K, size 4.75, 2.1gms.

Gold and Opal Ringin a navette design with prong set oval cabochon opals weighing approximately 1.0 total carat, with split openwork shoulders, stamped 14K and with mark S-G. 24mm; Ring size 7 4.7 dwt

Sterling and Opal Stone RingStamped and tested sterling silver/925, signed "SL", size 5.75 with engraved straight shank, 0.155 troy ounces total weight, 7.5mm opal stone cabochon at center,

Opal, emerald, and sapphire ring Set with a cabochon opal, framed by circular-cut emeralds and pear-shaped sapphires Yellow gold Ring size 9.25; Gross weight 12.7 dwts This work will ship from Lambert