An opal ring. The oval opal cabochon to the bifurcat

OPAL AND DIAMOND CLUSTER RING The oval opal cabochon, within a brilliant-cut diamond surround, ring size approx. M

OPAL AND DIAMOND CLUSTER RING The oval opal cabochon, in a double tiered, brilliant-cut diamond surround, one diamond deficient, several possible diamond simulants, ring size approx. K (sizing band)

An early 20th century 18ct gold diamond and opal dress ring. The oval-shape opal cabochon line, with old-cut diamond spacers. Hallmarks for Birmingham, 1916. Ring size N1/2. Weight 3.5gms. Overall con

An early 20th century 18ct gold opal and diamond ring. The oval opal cabochon, to the single-cut diamond and circular opal cabochon sides. Weight 3.2gms.

A single stone black opal ring, A single stone black opal ring, an oval cabochon opal, approximately 9.00mm x 13.00mm, claw set to a plain collet, to trifurcated shoulders, and a plain shank. Tested a

A 9ct gold opal and diamond ring. The oval opal cabochon, with single-cut diamond sides, to the bifurcated shoulders with grooved bar terminals. Hallmarks for Birmingham. Weight 1.9gms.

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

An opal and diamond cluster ring. The oval opal cabochon, with brilliant-cut diamond scalloped surround and similarly-cut diamond line shoulders. Estimated total diamond weight 0.15ct. Ring size N. We

OPAL RING Containing one oval cabochon opal measuring approximately 13.75 x 18.75 mm. Mounted in yellow gold and silver. Ring size 6. Gross weight: 11.60 dwt. Property from a Private Collection

A late Victorian 18ct gold opal five-stone ring. The graduated oval opal cabochon line, with rose-cut diamond spacers. Hallmarks for Birmingham, 1896. Ring size O1/2. Weight 4.4gms.

An 18ct gold opal and diamond cluster ring. The oval opal cabochon, within a single-cut diamond surround, to the tapered band. Estimated total diamond weight 0.35ct. Hallmarks for London, 1978. Ring s

An opal and diamond cluster ring. The oval opal cabochon, with rose-cut diamond surround. Ring size L. Weight 3.7gms.

An early 20th century 18ct gold opal and diamond ring. The graduated oval opal cabochon line, with old-cut diamond line spacers and tapered shoulders. Hallmarks for Birmingham. Ring size Q1/2. Weight

An 18ct gold opal and diamond three-stone ring. The oval opal cabochon line, with single-cut diamond double spacers, to the scrolling sides and plain band. Hallmarks for London, 1961. Weight 4.9gms.

A five stone opal ring, A five stone opal ring, five graduated oval cabochon opals all claw set to a scalloped gallery, to solid shoulders and a 'D' section band. Tested as approximately 9ct gold, 3.2

An opal and diamond dress ring. The oval opal cabochon, to the brilliant-cut diamond scalloped sides and plain band. Estimated total diamond weight 0.10ct. Weight 4.3gms.

An early 20th century 18ct gold opal five-stone ring. The graduated oval opal cabochon line, with diamond point double spacers. AF. Hallmarks for Birmingham, partially indistinct. Ring size O. Weight

An Edwardian 18ct gold opal five-stone ring. The oval-shape opal cabochon graduated line, to the openwork gallery and tapered band. Hallmarks for Chester, 1901, partially indistinct. Weight 2.4gms.

A 9ct gold opal and gem-set ring. The oval opal cabochon cluster, with circular-shape blue gem highlights. Hallmarks for Birmingham, 2012. Ring size N. Weight 3.3gms.

Gold, Opal, and Diamond Ringthe oval cabochon opal (15.88 x 11.06 x 5.50 mm) prong set and with full cut round diamond melee set to shoulders, stamped 14K. Ring size 5.75 4.1 dwt. Opal displays a whit

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}

Black Opal Ring: An oval cabochon black opal is bezel set on a simple band. Size - 6 1/4 $200 - $400 Shipping: We are able to pack and

Opal & Tourmaline 14K Gold Ring, oval cabochon opal weighing .75 carat with red and orange fire play, surrounded by 16 marquise shape pink tourmalines totaling 3.20 carats, 14K yellow gold, with appra

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