A BLACK OPAL DOUBLET DRESS RING in 9ct yellow gold, the ring set a black opal doublet to a stylised

A BLACK OPAL DOUBLET DRESS RING in 9ct yellow gold, the ring set a black opal doublet to a stylised yellow gold band, full British hallmarks, size Q / 8.25, 3.7g. 

featuring a bezel-set (12x15mm) opal stone, likely a black opal however not guaranteed (opal not examined out of setting for possible doublet, opal scuffs), overall ring head 15x19mm, in yellow gold (

This is an 18kt yellow gold black opal doublet ring. The approximate 12mm x 8mm oval opal doublet is in a lost wax cast nugget-style setting made of 18kt yellow gold. The ring is US size 6 and weighs

22KARAT YELLOW GOLD AND BLACK OPAL DOUBLET RING, 11.11g

Black Opal and Diamond Ring 14k yellow gold, the ring mounted with a black opal doublet weighing approximately 1.76 carats, accented by round brilliant-cut diamonds weighing approximately 0.17 carats

A VINTAGE BLACK OPAL DRESS RING in yellow gold, set with a round cabochon opal, full British hallmarks for London 1974, size O / 7.25, 5.5g. 

An 18k gold band with three inset round amethyst cabochons; An oval black opal doublet in substantial 14k gold square head. Size 6. 11.1 dwt.

Comprises: 1.) 18k yellow gold etched nugget-form ring. 4.3 dwt. 2.) 14k white gold ring with mounted black opal doublet with 8 round faceted diamond accents. 8 diamonds, .04 ct each for an estimated

14kt Yellow Gold Black Opal Ring Size 5.25, reverse tapered shank ring featuring a doublet black opal measuring (10.8mm x8.9mm) in a four prong setting, stamped, tested & signed (3.2 grams tw).

with central oval stone set in a facetted band, total weight 6.32gm

NO RESERVE - AN OPAL DRESS RING, Made in 9 carat yellow gold, Oval opal doublet, 13.6mm x 9.8mm, Stamped 9ct, Size M1/2 / 6.5, Weight 2.4 grams

Amazing women's estate ring custom made of 14k yellow gold featuring two oval cut black opals (the smaller of the two appears to be a doublet) and accented with 6 round cut diamonds approx. 0.60tcw. M

A black opal doublet, diamond and 14k gold ringfeaturing a black opal doublet, measuring approximately 18.40 x 13.55 mm, accented by three round brilliant-cut diamonds, on polished band; 8.41 dwt; siz

A 14K yellow gold ring set with an oblong oval doublet opal cabochon of approximately 5.25 carats. The opal framed by a beaded brushed gold setting over an open-work design. The face measures 1.25" hi

with oof oval form in gold surround

Five natural Ethiopian black opals set in 14K yellow gold plated sterling silver ring. Dimensions: 24x23x4mm; Weight: 2.50gr; Ring size:7 US; Stone Treatment: enhanced by smoking.

A BLACK AND WHITE DIAMOND DRESS RING in 9ct yellow gold, set with black diamonds with bow motif jewelled with white diamonds, stamped 9K, size Q / 8, 4.74g.

Ladies 14kt yellow gold opal ring featuring a bezel set opal doublet measuring approx. 15 x 8mm. Accented with 4 round prong set red stones. Finger size 4.5. Weight 3.4 grams. Some scratches to the su

14K Yellow Gold and Black Opal Ring. The opal set between triangular mounts of three diamonds each, marked "Ga 14K." 4.0 g.

One opal doublet ring stamped 14kt. yellow gold weighing 16.9 grams. Set with one oval opal doublet measuring 22.13mm x 13.51mm. Size 7.

2 pair 14k yellow gold & opal pierced earrings. A) Pair of 14k yellow gold 15mm bezel set mosaic opals. WT: 2.6g. B) Pair of 14k yellow gold oval onyx stones adorned with 7 x 5mm black opal doublets i

Including one ring featuring an oval opal cabochon measuring approximately 14.00 x 9.00 mm, set in a 9k yellow gold mounting, size 5 1/2; one ring featuring three oval opal cabochons, each measuring a

AN OPAL AND DIAMOND RING in yellow gold, set with an oval cabochon opal doublet within a border of single cut diamonds, no assay marks, size Q / 8, 5.3g.

14k yellow gold Comprising a ring set with an opal and a pair of earrings set with opal doublets Ring size: 5; each earring: 3/4" 11.5 grams 3 pieces