Jewellery set with opal doublets. Yellow gold of various alloys.

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. 

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

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

Opal Doublet, 14k Yellow Gold Jewelry Suite. Including one paisley-shaped 14 x 9.6 mm opal doublet, set in a modern 14k yellow gold pendant measuring 26 mm in length;three free-form opal doublets set

A SET OF 14K YELLOW GOLD TUXEDO STUDS AND CUFFLINKS, set with opal doublets. Total approximate weight: 15.4 grams.

Ladies 14kt yellow gold opal and diamond slide pendant featuring a bezel set freeform opal doublet displaying green and orange fire. Accented with channel set round brilliant cut diamonds weighing app

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

An Opal & Diamond Ring. 14 karat yellow gold mounting contains one bezel set oval opal doublet, three Old Mine cut diamonds and four Old European cut diamonds Size: 6 Wt: 13.2 grams

Centering one abstract-shape opal doublet highlighted by eight full-cut diamonds weighing a total of approximately 0.13 cttw., set in a 14k yellow gold ring mounting, size 6 1/2. Gross weight: 5.5 gra

15ct Yellow gold opal set bar brooch, silver bangle, silver toothpick and other costume jewellery

The trillion cut pink tourmaline, approx. 1.36 cts. by formula, and opal doublet bezel set in gold bypass. 14k. Size 8. 5.7 dwt.

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.

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

An Opal & Diamond Ring. 14 karat yellow and white gold mounting contains one bezel set oval opal doublet flanked by three round diamonds on either side Size: 5.75 Wt: 8.7 grams

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.

VINTAGE 18KT YELLOW GOLD AND OPAL RING ~ SIZE 7.75 TAPERED CONCAVE SHANK WITH BRUSHED FINISH, BEZEL SET, LIGHT TRIPLET/DOUBLET OPAL CENTER STONE WITH STRONG RED, BLUE AND GREEN PINFIRE SURROUNDED BY R

One ladies opal doublet ring stamped 18kt yellow and white gold weighing 8.5 grams. Bezel set with 1 oval opal doublet measuring approximately 12.75mm x 9.50mm x 3.45mm, also set with 4 old mine cut d

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

18K yellow gold contemporary split shank ring featuring oval opal doublet measuring 8.2 x 11.6 mm bezel set in center with diamonds weighing approx. 0.30 ctw bezel set on either side, sz 7, 10.6 grams

Featuring an abstract-shape boulder opal doublet highlighted by one full-cut diamond weighing approximately 0.01 ct., set in a 14k yellow gold enhancer style pendant mounting measuring approximately 3

Ladies 14kt yellow gold opal and diamond pendant featuring various sizes of prong set oval cabochon cut opals and displaying green and orange fire. Accented with a circle of prong set round diamonds w

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 (

14k yellow gold freeform pendant containing one freeform boulder opal, one oval cabochon doublet, four gemstones of various cuts and colors and one round brilliant cut diamond weighing approximately 0

Antique Fourteen/Ten-Karat Yellow Gold and Gold-Filled Slide Bracelet, the assembled bracelet composed of fourteen Victorian slides set with various gems, including garnets, opals, seed pearls, glass