An opal and diamond cluster ring, the large oval opal

Vintage Large White Opal, Approx. 2.50 Carat TW Marquise Cut Ruby, 1.50 Carat TW Oval Cut Diamond and 18 Karat Yellow Gold Cluster Ring. Opal with good play of multi color. Diamonds D-E color, VS1-VS2

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 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

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

BOULDER OPAL AND DIAMOND CLUSTER RING The oval boulder opal within a radiating surround set with brilliant-cut diamonds, ring size approx. N

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-shape opal, within a vari-cut diamond surround and shoulders. Ring size N. Weight 7.7gms. Overall condition fair to good. Some surface scratches/ wear, disco

LARGE OPAL AND DIAMOND CLUSTER RING, Set with a large opal of approx. 6.92 ct. Surrounded with diamonds totalling approx. 0.52 ct. L. head 20.5 mm. Size N. 5.7 grams.

A BLACK OPAL AND DIAMOND CLUSTER RING LONDON 1975The oval cabochon black opal within a surround of brilliant cut diamonds, approximately 0.48 carats total, the 18 carat gold shank stamped with sponsor

An opal and diamond cluster ring claw-set with an oval opal cabochon, in a single border of ten round brilliant-cut diamonds, indistinctly marked(Ring size: Q/R)

This is a vintage 14K white gold ladies ring featuring a large oval Australian opal cabochon with stunning blue, red, and green fire. The opal is flanked by a total of six full cut diamonds. The diamo

An opal and diamond cluster ring claw-set with an oval cabochon opal, in a border of old round-cut diamonds, unmarked(Ring size: U)

An opal and diamond cluster ring claw-set with an oval cabochon opal in a border of round-cut diamonds, to a plain band, stamped 18ct(Ring size: K)

14K Yellow Gold Ring, set with a large oval opal and six small round faceted diamonds, size 7 1/2, 6.0 dwt tw. Good condition.

Size 4, large oval opal, with 20 small round diamonds, and 4 larger round accent diamonds weighs 7 gramsSize 4, large oval opal, with 20 small round diamonds, and 4 larger round accent diamonds weighs

Vintage men's signet statement ring. Size 13.5. Total of 22 diamonds (11 on each side of an opal). Marked inside 14K Yellow Gold. Weight 14 grams. Comes with a box and a receipt with original price $3

3 ANTIQUE OPAL AND GOLD RINGS: 1.) Romany (Hans Stern Romany)14K Opal and Diamond Cluster Ring, in shades of blue and green, fur oval opal cabochons surround a prong set center diamond, size 8,stamped

14K yellow gold ring featuring large oval boulder opal with very good blue and green play of color, 14 x 20mm, with 6 additional smaller diamonds set on the sdie of opal, sz 7.5, 7.2 grams

Ring.18kt yellow gold modernist cocktail ring with large oval opal with a surround of 7 round brilliant cut diamond accents. Stamped, "18k", with unidentified maker's mark of "D". Total approx. diamon

AN OPAL AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cabochon opal in a cluster of rose cut diamonds, French import mark, size O / 7, 3.9g.

Size 7 1/2 with large oval fire opal center stone, surrounded by 18 round brilliant diamonds each .02cts, for a total of about .40cts. The diamonds are clear and white . . Property of a Williams Islan

Ladies estate 14 karat yellow gold ring set around the bezel with twenty-eight small round Opal stones encircling the large oval shaped Opal center stone, accented with four small round brilliant cut

14K YELLOW GOLD , OPAL TRIPLET, RUBY, AND DIAMOND RING: This beautiful ring features a large oval, black opal triplet. The opal measures approx. 25 x 15mm. Surrounding the opal are 14 rubies and 14 di