Empirial Blue Australian Black Opal

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

Title: 54.64 ct Lightning Ridge Australian black opal Color/Clarity: red,blue ,green flashing/opaque Gemstone Type: natural/untreated Carat Weights: 54.64 Size/Dimensions: 47.17 x 26.22 x 6.43 MM Orig

Title: 15.28 ct natural lightning ridge australian black opal Color/Clarity: red,blue.green flashing/opaque Gemstone Type: natural/untreated Carat Weights: 15.28 Size/Dimensions: 25.46 x 17.69 x 4.52

Title: 15.28 ct natural lightning ridge australian black opal Color/Clarity: red,blue.green flashing/opaque Gemstone Type: natural/untreated Carat Weights: 15.28 Size/Dimensions: 25.46 x 17.69 x 4.52

4.92 ctw Matched Pair Australian Fairy Opals, rounded square cabochons with blue, black & green colors. Natural precious opal embedded in sandstone. Mined in Queensland, Australia and has been carboni

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

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

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

Title: Lightning Ridge Australian Black Opal Certified- 2.68 ct Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 2.68 ct Size/Dimensions: 11.43 x 8.56 x 4.30 mm Additional In

Title: Australian Black Opal - 1.75 ct Metal Purity: Natural Gemstones: Australian Opal Carat Weights: 1.75 ct Size/Dimensions: 11.00 x 8.20 x 2.85 mm Additional Information: Natural Australian Lightn

Title: Lightning Ridge Australian Black Opal Certified - 1.10 ct Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 1.10 ct Size/Dimensions: 9.68 x 7.74 x 2.15 mm Additional In

Title: Lightning Ridge Australian Black Opal Certified - 1.28 ct Brand: None Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 1.28 ct Size/Dimensions: 9.63 x 7.29 x 2.86 mm A

Title: Lightning Ridge Australian Black Opal Certified- 1.12 ct Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 1.12 ct Size/Dimensions: 9.13 x 7.50 x 2.74 mm Additional Inf

Ladies 14k gold and opal earrings. Features a pair of geometric reticulated earrings with triangular inlaid panel of Australian black opal. Marked 14k. Weighs 6.7 grams. Size 21mm x 12.5mm. Omega back

Title: Lightning Ridge Australian Black Opal - 1.15 ct Metal Purity: Natural Gemstones: Australian Opal Carat Weights: 1.15 ct Size/Dimensions: 8.10 x 7.70 x 2.90 mm Additional Information: Natural Au

Title: Lightning Ridge Australian Black Opal Certified - 1.45 ct Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 1.45 ct Size/Dimensions:10.35 x 7.86 x 2.94 mm Additional In

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

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

Title: Lightning Ridge Australian Black Opal - 2.95 ct Metal Purity: Natural Gemstones: Australian Opal Carat Weights: 2.95 ct Size/Dimensions: 14.30 x 8.30 x 4.00 mm Additional Information: Natural A

DESCRIPTION: A Large Carved Koala Pendant crafted from Australian black opal. CIRCA: 20th Century ORIGIN: Australia (Total Weight: 26 Grams) CONDITION: Great condition. See lot description for details

Title: 9.7 ct Australian Black Opal Doublet Gemstones: Opal Doublet Carat Weights: 9.7 Size/Dimensions: 21.6 mm x 16.9 mm x 3.7 mm Additional Information: Doublet Reserve: $250.00 Shipping: Domestic: