Australian Black Opal Evening Ring

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 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

14k Yellow Gold Opal and Diamond Ring: Lovely triangle cut opal and 12 round diamonds. Size 6.75 and weight is 8.6 grams.

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

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

950-purity platinum ring with a 6.339-carat cabochon-cut black Australian opal center stone accented by 0.14 carats of round-cut emeralds and 0.06 carats of round-cut sapphires. Stamped 6.339, 0.14, 0

One Oval-shape, Cabochon-cut Austrailian black opal 159.70 Carats in weight. Intense blue very even play of color, very good finish\\\' no blemishes ,38mmX33mmX23mm, in 14K gold, 3.40 ct diamond.If in

An Art Deco single stone black opal ring, An Art Deco single stone black opal ring, with diamond set shoulders. A circular tallow cabochon cut black opal, milligrain set to each shoulder, to a ridged

DESCRIPTION: An antique black opal pendant necklace. Features a 16-18 Carat Opal, further completed with diamond set platinum bow in a 14kt yellow gold setting. Complete with a 14kt yellow gold box ch

Fine Australian Black Opal & Diamond Pendant in 14K Yellow Gold includes 14K Gold Chain 11.25ctw * (estimate/approximately)

DESCRIPTION: An Antique beaded necklace comprised of Australian black opal, graduating in size, alternating with 18k yellow gold spacers and closure. Approx. 326 carats CIRCA: Early-Mid 20th Century O

AN ARTS AND CRAFTS BLACK OPAL RING, a pear-cut black opal in a double claw setting and spaced by fruiting vines. Ring size M

DESCRIPTION: A Vintage beaded necklace crafted with oblon and spherical Black Australian opal, completed with a 18k yellow gold closure, stamped "18k". Total Weight: 202 carats CIRCA: Mid 20th Century

Art Nouveau ring with opal. Features a floral form with oval 13mm x 10mm bezel set cabochon. Marked 14k Potter Mellen. Weighs 10 grams. Measures 20mm wide. Size 6. Good overall condition with minor we

METAL: Platinum. GEMSTONES: Diamonds, Black opal - 25mm x 16.8mm. (opal has fine line scratches). MEASUREMENTS: Ring size 7. MARKED: LRW, PLAT. WEIGHT: 9.9 grams. Gemstones have not been graded for co

18K yellow gold ring featuring an amoeba shaped black opal measuring approx. 18 x 7 mm, bezel set, sz 7, 15.1 grams

Title: Australian Black Opal Certified - 4.02 ct Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 4.02 ct Size/Dimensions: 12.17 x 12.02 x 3.63 mm Additional Information: Nat

Title: Australian Black Opal Certified- 4.57 ct Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 4.57 ct Size/Dimensions: 19.57 x 12.48 x 2.81 mm Additional Information: Natu

14KYG Black Opal Ring size 8, oval cabochon black opal doublet approx. 17.5mm x 11.0mm, engraved leaf and vine design ring stamped and tested 14K, gross weight approx. 6.45dwt

14KYG Black Opal Ring size 5, leaf motif stamped and tested 14K ring holding an oval cabochon black opal doublet approx. 13.0mm x 10.0mm, gross weight approx. 3.60dwt

An 18k yellow gold, diamond and black opal ring, 48 total diamonds, black opal 12.7mm x 9.525mm with 4 prong setting; 15 grams total weight. Overall good condition. Ring size 8.

Estate 1960's White Gold Diamond and Black Opal Ring; 14k white gold; 3.3dwt/5.13g; 12 round diamonds = 1.25cts; 1 black peacock opal = 1.75cts; Ring Size 5 3/4 Reserve: $872.00 Shipping: Domestic: Fr

Antique 14k gold ring with black opal (15.6mm x 9mm). Ring size - 5. Ring top - 17mm x 10mm. Marked: 14k. Weight - 3.7 grams.