Oval Black Opal Gold Ring - 10 x 12 mm

An oval black opal with board blue/green color play, 12.10 x 9.20 mm, set horizontally in RBC diamond pave gallery, hoop, 1.65 cts. TW. 18k. Size 4 1/2. 4.0 dwt.

10 ct. Lightning Ridge opal and diamond dinner ring set in 14K white gold mounting. Oval black opal measuring 13 mm x 10 mm x approx. 3.7 mm and containing 12 round brilliant diamonds with a total wei

BLACK OPAL AND DIAMOND RING Containing one oval cabochon black opal measuring 10.85 x 9.00 mm and 12 round brilliant cut diamonds weighing approximately 1.20 carats total. Mounted in yellow gold. Ring

Vintage Oval Cabochon Black Opal and 14 Karat Yellow Gold Ring. Opal measures 12mm x 6.5mm. Unsigned. Very good vintage condition. Ring size 6. Approx. weight: 4.4 grams. Shipping $28.00 (estimate $10

Black opal and gold ring, an oval cabochon-cut opal measuring 22 x 10 x 7.3 mm in a gold decorated mount, stamped 585. Tested as 14 ct

A black opal and eighteen karat gold ringdesigned as an oval opal, measuring approximately 17.80 x 12.00 mm, bezel-set within substantial gold mount. 8.0 dwt; size: 6 1/2

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

A un-treated black opal, diamond and eighteen karat bi-color gold ringdesigned as an oval cabochon black opal, measuring 14.49 x 12.65 x 6.51 mm, within pierced and millegrained round brilliant-cut di

Art Deco 14K white gold and Opal Ring with delicate pierced and millegrained oval mount, maker unknown, c. 1925 -1930, top of ring is 17 mm X 15 mm, oval opal measuring 12mm X 10 mm, marked 14 K on in

Centering an oval-cut opal cabochon measuring approximately 12.0 x 10.0 mm, accented by twenty-six full-cut and eighteen baguette-cut diamonds weighing a total of approximately 0.57 cttw., set in a 14

A black opal, diamond and eighteen karat gold ringdesigned as an oval opal, measuring approximately 13.3 x 10.9 x 3.5 mm, within marquise and round brilliant-cut diamond mount; estimated total diamond

LUNA FELIX GOLDSMITH, YELLOW GOLD AND OPAL RING Containing one oval cabochon opal measuring approximately 17.50 x 12.00 mm with granulation detail. Ring size 7. Stamp: Luna 22K 18K. 10.75 dwt. Propert

stamped 9ct, mid 20th century, featuring a large oval cut solid white opal of approx. 19mm x 12mm, in a bezel setting, on a thick and stately 9ct yellow gold band, total weight 10.5gm, size U

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

YELLOW GOLD, OPAL AND DIAMOND RING Containing one oval cabochon opal measuring approximately 12.00 x 8.40 mm and 10 round brilliant cut diamonds weighing approximately 0.15 carat total. Ring size 6. S

(Lot of 3) Opal, diamond and yellow gold jewelry items comprised of one oval opal, diamond and 14k yellow gold ring, opal approximately 11 x 10 mm, diamond weight approximately 0.30 ct., size 8; one p

14K YELLOW GOLD LONDON BLUE TOPAZ SOLITAIRE RING 14K yellow gold solitaire ring with an oval cut 10 x 12mm London blue topaz.  Size: 6.75 Weight: 4.5g

14k gold and opal ring, 20mm L x 12mm W cabochon white opal, ring size 6

14K yellow gold ring with very fine oval opal displaying even blue, green and yellow colors measuring 16 x 12mm, six full cut diamonds set in the side, sz 7.25, 3 grams

Opal, 15k Yellow Gold Ring. Featuring one oval opal cabochon 16 x 10 mm, set in a 15k yellow gold mounting. {Size 5, Gross Weight: 2.0 dwts}

Opal, Diamond, 14k Yellow Gold Ring. Featuring one oval opal cabochon measuring approximately 10 x 8.5 mm, flanked by six full-cut diamonds weighing a total of approximately 0.10 cttw., set in a 14k y

Opal, 14k Yellow Gold Ring. Centering one oval opal cabochon measuring approximately 10 x 8.2 mm, surrounded by twelve round opal cabochons measuring approximately 2.7 mm, set in a 14k yellow gold mou

Two gemstone and 14k gold rings comprising an oval opal cabochon, measuring 10.73 x 7.45 mm, in textured mounting, and an oval-cut amethyst, measuring 9.65 x 7.90 x 4.73 mm; 6.43 gross dwt; sizes: 5 a

14 kt White Gold, Black Opal and Diamond Ring. One 14 kt white gold ring containing 1 oval black opal cabochon and 32 round single cut diamonds. The opal measures 9.05 mm L x 7.41 mm W x 3.54 mm D, an