Opal Cabochon & 18K Yellow Gold Ring

18K yellow gold ring; featuring central opal cabochon, surmounting 18 of pear form set into openwork mount; stamped "18K"; Provenance: Collection of Joel Emanuel; size 6

Mens opal and diamond 18K yellow gold ring, central opal cabochon, channel set round brilliant diamond rectangular border, marked size: 9.5 total weight: 32.9 Provenance: Property from a San Antonio

Opal, Diamond, 18k Yellow Gold Ring. Featuring one pear shaped opal cabochon measuring approximately 16.7 x 11.72 mm, accented by fourteen full-cut diamonds weighing a total of approximately 0.50 cttw

Opal, Diamond, 18k Yellow Gold Ring. Featuring one oval shaped opal cabochon measuring approximately 23.2 x 14.1 mm, accented by twelve full-cut diamonds weighing a total of approximately 0.65 cttw.,

Opal, Diamond, 18k Yellow Gold Ring. Featuring one oval shaped opal cabochon measuring approximately 11 x 8.9 mm, accented by forty-six round-cut diamonds weighing a total of approximately 0.15 cttw.,

Opal, 18k Yellow Gold Ring. Featuring one oval shaped opal cabochon measuring approximately 7.5 x 6.3 mm, surrounded by twelve full-cut diamonds weighing a total of approximately 0.10 cttw., set in an

Opal, Diamond, 18k Yellow Gold Ring. Featuring one oval shaped opal cabochon measuring approximately 18.15 x 13.1 mm, accented by four full-cut and six baguette-cut diamonds weighing a total of approx

Opal, diamond, and gold ring Of floral design, set with cabochon opals and round brilliant-cut diamonds 18k yellow gold Ring size 7.50; Gross weight 5.0 dwts

DESCRIPTION: A vintage 18k Yellow gold ring features in a brutalist design, fitted along the center with two Oval cut Emerald Stones and a center Opal Cabochon. Stamped along the inner band "18". Tota

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.

Ring made of brightly polished 18K yellow gold, featuring a prong set oval opal cabochon, weighing approx. 0.60 carat, marked: "750 and with a maker's mark". Measuring US size 4 3/4, approx. 2.4 dwt.

Men's 18K yellow gold ring with center bezel set ethiopian oval cabochon opal that weighs 12.39cts and has a yellowish orange color with orange and green color play. Bezel set on each side is a triang

Opal and gold ring Set with an oval cabochon opal weighing approx. 17.65 cts in an engraved gold mount 18k yellow gold Ring size 6 1/2; Gross weight 12.6 dwts

Unusual Opal and Diamond Ring 18k yellow gold, the ring mounted with an oval opal cabochon weighing approximately 5.80 carats, set in a gold mounting in the form of branches, accented with round brill

This is a vintage ladies ring made by the Fine Jewelers Guild (FJG). Rendered in fine 18K yellow gold, this biomorphic ring features a cluster of six Australian opal cabochons with striking red, green

18K Yellow Gold Abstract Ring, the top with a central cabochon oval opal flanked by two oval blue sapphires and three round blue sapphires, on a split shoulder band, Size 7 1/4., Total sapphire wt.- A

This is a stamped 18kt yellow gold chevron shaped custom fine opal and diamond ring. Set with five graduated marquis opal cabochons in a four rope design. Eight round diamonds measure approximately 0.

Set of 18k yellow gold diamond and opal earrings and ring including:18k yellow gold opal and diamond ring; with nine white-crystal oval cabochon cut opals and 20 round brilliant diamonds. One large ov

2.13ctw Oval Cabochon Ethiopian Opal With 1.36ctw White Zircon 18K Yellow Gold Over Sterling Silver Ring. Measures Approximately 0.85"L x 0.62"W. Not sizeable. ?Accent stones primarily zircon.? SHIPS

Superb 18K yellow gold ladies ring having a massive 18.55 carat oval cabochon cut dark fiery opal surrounded by 5.85 carat total weight brilliant cut white diamonds in a double bezel pattern. Ring is

Having an Ethiopian 20mm by 18m oval cut cabochon dyed blue opal surrounded by side-mounted round cut diamonds; marked 'k18' inside band Property from: an Illinois estate Size: 7 Weight: 16.46 dwts. (

Italian 18kt yellow gold ring, black opal triplet cabochon, approx 15.65 x 8.00 mm, in a hand-engraved modernist setting, approx size 7.25-7.5, 13.7 grams (inclusive of all materials) **Provenance: A

This is a 1970's 18k yellow gold and black Australian opal ring with a total of 6.60Cts.  The ring is centrally set with an oval cabochon cut opal that measures 17.80mm x 13.00mm x 4.99mm.  The opal

American, mid - late 20th century. Three rings to include: stamped 18K ring with center oval cabochon opal, accented with four small round rubies (possibly synthetic), small gold heart on each shoulde