Certified Large Australian Opal Boulder 50x46mm, 33.40

Oceania, Australia, Cretaceous Period, ca. 110 million years ago. This is a stunning piece of milky opal in a stone matrix. The matrix is professionally prepared and cut to show off the splendor of th

This large Australian opal pendant has a 14K gold setting and is on a 14K gold serpentine chain. The opal measures 1.5" tall x 1" across x .5" deep.

A tremendous amount of color is exhibited through this GIA certified Australian opal. Placed in an exquisite hand made art deco platinum ring that has been designed with clean, white diamonds. Size 5-

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

This is an antique stick pin dating to the 19th century. Rendered in solid 10K rose gold, this pin features a large Australian opal oval cabochon finial. The opal exhibits good red and green fire. 3"

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

This is a vintage 14K gold ladies ring featuring a large prong set Australian fire opal cabochon.

Certified Pink Australian Opal Necklace .17" Long.Weight : 106.00 Cts Dimensions : Approx 9 X 11 mm.Please See Certificate For Further Details

Title: Lightning Ridge Australian Opal Certified - 1.33 ct Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 1.33 ct Size/Dimensions: 10.85 x 6.89 x 3.01 mm Additional Informa

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 Opal Certified - 2.30 ct Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 2.30 ct Size/Dimensions: 10.68 x 8.53 x 4.08 mm Additional Information: Natural Ce

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 Opal Certified - 1.01 ct Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 1.01 ct Size/Dimensions: 9.33 x 8.04 x 1.99 mm Additional Informat

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

Handmade 14K Yellow Gold Dinner Ring set with (1) large oval Australian opal surrounded by (9) round diamonds and (9) rubies, ca. 1970, size 7 1/2. Good condition.

Title: Lightning Ridge Australian Opal Certified - 1.66 ct Brand: None Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 1.66 ct Size/Dimensions: 10.11 x 8.22 x 3.27 mm Additi

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 Opal Certified - 1.33 ct Brand: None Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 1.33 ct Size/Dimensions: 10.51 x 8.22 x 2.48 mm Additi

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

the gold mounted pendant set with an oval opal approx. 34x18mm, overall length 2", stamped '18K DSG', on a 15.5" bar link chain stamped 750, (pendant 9.4gms., chain 4gms.), gross weight 13.4gms., Open

Title: Australian Opal Certified - 2.15 ct Purity: Natural, Certified Gemstone: Australian Opal Carat Weight: 2.15 ct Size/Dimensions: 12.77 x 8.86 x 3.03 mm Additional Information: Natural Certified

This is an antique Art Nouveau 14K gold stickpin featuring a fine Yowah Australian boulder opal cabochon and two Old European cut diamonds. The diamonds are I clarity and HI color. It is 2 1/2" long 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