1970's 18Kt YG & Black Australian Opal Ring

This is a 1970's 18Kt YG 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 exhibit

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

1970's 14Kt YG Australian Opal Ring. The ring is centrally set with a large oval cabochon cut jelly opal. It measures 20.00MM x 15.00MM and exhibits a fine peacock blue and green play-of-color. It is

A beautiful 14K Y/G ring, center a large Australian opal wt. approx. 10.0ct, accented by blue stones (possible tanzanite), wt. 9.7gm, size 7.5

Fine 14K Y/G black opal ring, opal wt. approx. 3.60ct, accented with 8 excellent quality brilliant cut diamonds, tdw approx. 0.50ct, wt. 18.1gm, size 8

14K Y/G ring, center a fine Australian fire opal, wt. approx. 1.20ct, wt. 6.3g, size 5.5

1970's Platinum Black Opal & Diamond Ring. The ring is centrally set with a large oval cabochon cut black peacock opal. It exhibits a fine blue to green harlequin play of color. It weighs approx. 5.99

Amazing women's estate ring custom made of 14k yellow gold featuring two oval cut black opals (the smaller of the two appears to be a doublet) and accented with 6 round cut diamonds approx. 0.60tcw. M

Ladies' vintage 18 karat yellow gold Casbah cocktail ring, set to the center with large marquise cut opal stone, encircled by approx. seventeen round brilliant cut diamonds and seventeen round opal ac

Stunning large exceptional quality black Australian opal and diamond ring. Crafted out of platinum. Features a large natural solid black opal cabochon with an explosion of colors ranging from green, b

Vintage 18 karat Yellow Gold ring, in classic band design. Set to the center with an oval cut Blue Opal cabochon. Ring size 7. Weighs approx. 7.0 grams ( 4.5dwt). Shipping to be $20 + insurance in US.

Nice Australian black opals. Pair of ear rings, 1" stones. Silver chain with .75" charm..Date: Country (if not USA): State: City: Provenance:

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

1970's 14K Yellow Gold Australian Opal and Diamond Ring 4.3dwt; 6 round diamonds weighing 0.10cts, 1 OPal 17.7mm x 13.5mm; Size 9 ½

Rare 1970's Yellow Gold and Black Opal Free Form Ring. The ring is centrally set with a large black opal triplet that measures 24mm x 15mm in width. It has an exhibition and vibrant harlequin play-of-

14K Y/G ring with black opal measure 6x5mm, wt. 5.2gm, size 5, opal craze

14K Y/G ring, center an Australian opal wt. approx. 1.02ct, size 6.5

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

1940's 5mm-6.5mm Australian Fiery Opal & Solid 14K Yellow Gold Handmade 10mm Ring W/Ornate Miligree Details - This piece is made of solid 14k yellow gold and has contains (3) oval-cut Australian Fiery

14K yellow gold modern ring having a central cab oval grey Australian opal (approx. 17.50 ctw, medium play of color - green, red blue) and 36 natural modern round brilliant halo diamonds (approx. 1.80

2.19 very fine Australian black opal with platinum settings and 0.44 Diamonds F-VS

18 karat yellow gold ring with one oval cabochon semi-Black Opal with gray background that weighs 15-1/2 carats. 41 round full cut diamonds at 0.84 NEIMAN MARCUS. Appraised Fair Market Value (FMV) is

1970/80s weigth 29,9 gr., with brilliant cut diamonds set on white gold, signed inside the stem, size 7.5

Ladies 18kt yellow gold ring. appraised at Black Starr & Frost in the 80's for about 10k today's value would be about $15,000. size 6 It contains a fabulous pear shape Ceylon Ruby that measures 2.53 c