Australian Opal

Bruce Harding is celebrated for combining exceptional Australian gemstones with refined craftsmanship, and this ring is a striking example of his artistic vision.

A BUNDA 'Caelum' Opal pendant made in 18 carat white gold. The boulder opal featuring with blue and green colours enhanced with thread-set diamonds. Stamped BUNDA. Serial number 2401...

Stone Information Natural Boulder Opal Origin: Australia Measurements Condition: Pre-Owned

This striking Pendant is bezel set with large Australian Boulder Opal (the second most valuable type of opal) from Winton mine, Queensland measuring impressive 18.00ct approx. (16mm...

A BUNDA Square 'Hollywood' Australian Boulder Opal pendant, handcrafted in 18ct white gold and 18ct yellow gold, on an 18ct white gold trace chain.

This glorious, unique piece is a spider web necklace, featuring an exquisite 12.03ct oval cut Lightning Ridge black opal, surrounded by 16.19ct total weight in fine round diamonds fo...

Interesting Facts: Boulder opals are uniquely formed in Queensland, Australia, where opal veins naturally grow within ironstone.

These magnificent Pendant features Australian White Solid Opal of impressive & rarely encountered size: 20.00ct approx. (40mm x 23mm in its widest part), of very unusual triangle s...

This refined ring showcases a natural Australian crystal opal, selected for its transparency and vivid play of color.

These retro cufflinks are designed as chain link cufflinks with bullet backs Finely crafted in 9K Solid Rose Gold, beautifully engraved to the front Each set with an Oval Opal (...

Seascapes. This 7ct Australian Boulder Opal necklace is a one-of-a-kind masterpiece, blending organic beauty with fine jewelry craftsmanship.

Statement silver ring with natural Black Opal with deep blue opalescence size of the ring - 8 1/4 US, diameter 18.25 mm, N 18, 58 circumference ring weight - 12 grams stone measureme...

18K yellow gold necklace with natural fine quality Harlequin pattern Opal opal origin - Australia pendant weight - 4.8 grams pendant height - 1.29 in / 36 mm gemstone size - 0.59 x 0...

Silver pendant with natural Black Opal gemstone origin - Australia gem size is 0.12 x 0.43 x 1.26 in / 3 x 11 x 32 mm stone weight - 9.9 carats pendant lenght - 1.61 in / 41 mm pend...

Large 18K gold plated silver pendant with natural fine quality Boulder Koroit Opal gemstone origin - Australia gem size is 20 x 32 mm stone weight - 58 carats pendant length - 48 mm ...

Details: 17mm by 31mm Pendant -- 3ct Genuine Australian Boulder Opal Natural Diamonds and Sapphires 18in 18k Box Chain Necklace.

This elegant Boulder Opal ring is crafted in solid 925 sterling silver and 18K gold features a fine-quality natural opal sourced from Queensland, Australia, renowned for producing st...

An unisex ring showcasing a natural Australian boulder opal of impressive scale, measuring 0.55 × 0.75 in (14 × 19 mm).

Stunning Australian Black Opal Oval Cabochon Halo design ring with Diamond accents.

Stunning Australian Black Opal Oval Cabochon Halo design ring with Diamond accents.

Of Australian provenance, the pendant is crafted in 9K yellow gold, in lovely filigree motif, measuring 28mm (including bail) x 17mm bezel set with Australian doublet opal of oval ...

Black Opal 18K gold ring, can be a perfect engagement ring weight of the ring - 7.4 gr size of the opal gemstone - 11 x 13 mm opal weight - 4 ct size of the ring - 56 / 7.5 US / diam...

Statement silver ring with very bright, unique natural Boulder Opal of 4.21 carats with the rarest color of opalescence - red Opal origin - Australia color of opalescence - red, blue...

This Fine Antique Edwardian (early XXc) Oval Locket is of Australian provenance, it’s meticulously crafted in 15K Yellow Gold.

This Magnificent Cultured Pearl Strand is of desirable princess length – 45cm (17.7 inches), comprising 43 well-matched Cultured Pearls, ranging in size from 8mm to 10mm (approx.) ...

18k Yellow Gold 16.5 grams Oval Opal from Australia size 13 x 9 Diamonds approx 0.75 carat nice white G-H-SI Blue Enamel as you can see in the filigree design.

A BUNDA 'Pavo' ring in 18ct white gold, featuring a bezel set, rich orange, Volcanic opal, and pave set, round brilliant cut diamonds. Characteristics of Volcanic Opal: 1 = 1.78ct. ...

A stunning 14ct white gold pendant necklace with a 2.8 carat natural untreated pear cut Ethiopian crystal opal, bezel set with a halo surround of 28 brilliant cut natural diamonds, a...

Notice the profile design with alternating round Tsavorite Garnets and Marquis Diamonds. The Australian Black Crystal Opals are accompanied with reports from the most reputable co...

Silver pendant with natural Boulder Opal gemstone origin - Australia gem size is 10 x 16 mm Opal weight - 5.20 ct pendant length - 25 mm pendant weight - 2.17 gr ref No 25005 All pic...

The Following Item we are offering is this Beautiful Rare Important and Fine 18KT White Gold South Sea Pearl and Australian Black Opal Diamond Necklace. Magnificent adorned with Glit...

Stunning Australian Black Opal Oval Cabochon Halo design ring with Diamond accents.

Matte finish silver 18K gold plated ring with fine quality blue Boulder Opal gemstone origin - Australia ring weight - 4.61 grams ring size - 8 1/2 US gemstone size - 0.12 х 0.16 x ...

Silver ring with natural unusual patterned Dark Opal Opal origin - Australia weight of the Opal - 3.6 carat gemstone measurements 10 х 17 mm ring weight - 10.8 grams ring size - 8 1/...

Making a bold yet refined statement, the Forget Me Knot Brooch with Fire Opal and Yellow Diamonds is crafted as a one-of-a-kind jewel, centred around a luminous fire opal embraced by...

Stamped 14k, Plat, and weighs 3.5 grams gross weight. The Australian black opal has excellent, bright green and blue colors.

Displayed is a ravishing, Australian black opal and diamond right hand ring. This piece is as chic as it is beautiful.

A striking vintage 18ct gold ring featuring three beautiful natural Australian solid crystal opals, interspersed with two pairs of sparkling natural diamonds.

Beautifully crafted in 9ct gold, it is adorned with rich rubies set as its eyes, lustrous seed pearls across its wings, and three glowing Australian crystal opals running down the bo...

Natural 3.50 Carat Australian Black Opal & Diamond Set Platinum 900 Statement Ring, Size 7.75.

This lovely pendant features Australian boulder opals set in rich 22-karat gold.

Dalben design One of a kind 18 kt rose gold ring with three bezel-set pink - blue Australian Crystal Opals weight 2,8 carats . Ring size US 7 1/4 - EU 55 re-sizable .

This stunning modernist necklace by Paul Binder of Zurich, is set with a sublime Australian boulder opal surrounded by brilliant white diamonds.

Australian boulder opal is a unique and rare gemstone that is only found in a few places in the world, with the majority coming from Queensland, Australia.

An impressive unisex matte finish silver ring with natural large cabochon-cut Black Opal Opal origin - Australia stone measurements - 0.35 х 0.43 in / 9 х 11 mm ring weight - 7.19 g...

Flashes of electric hints of indigo, and subtle sparks of purple, gold and greens emerge from the natural ironstone matrix, creating a living canvas of light. Australian Boulder opa...

An impressive unisex matte finish 925 sterling silver ring with natural medium large cabochon-cut Black Opal Opal origin - Australia stone measurements - 0.35 х 0.43 in / 9 х 11 mm ...

Stamped 14k and weighs 9.9 grams. The Australian boulder opal has blue, green and a little red color play of color.

Handmade in Japan by visionary jewelry artist Shinobu Marotta of Talkative Atelier, this one-of-a-kind ring is fabricated in satin-finished 22k yellow gold, featuring an extraordinar...

The White Gold body holds the Boulder Opal in a unique prong setting that reflects its outstanding elegance. 14K white gold ring with natural Boulder Opal opal origin - Australia g...

Black Opal gold ring 18K yellow gold opal origin - Australia stone measurements - 0.08 х 0.2 х 0.35 in / 2 х 5 х 9 mm opal weight - 0.75 carat ring weight - 2.07 grams ring size - 6...

Dalben design One of a kind 18 kt rose gold ring with three bezel-set blue-green-pink Australian Boulder Opals weight 4,34 carats . Ring size US 7 1/4 - EU 55 re-sizable .

Fine opal ring featuring a 12c approximate weight Australian square shaped gray crystal opal with green, blue and orangish red play of color mounted in an 18k gold mounting full of b...

The ring can be worn alone or stacked. Australian Black Opals are rare gemstones, each with a distinctive personality.

This unique optical effect, known as “opalescence,” is caused by microscopic silica spheres within the stone, which diffract light into spectral colors. Found primarily in Australia,...

One of a kind silver ring with natural precious Opal in irregular oval cabochon-cut Opal origin - Australia colors of opalescence - red, blue, green, yellow, orange gemstone measurem...

Opalized wood (origin: Australia) is featured in these stylish dangle earrings.

Dalben design One of a kind 18 kt rose gold ring with a 3,02 carat bezel-set deep light blue navette shape Australian Boulder Opal . Ring size 7 1/4 - EU 55 re-sizable .

A beautiful ring featuring a 1.21 Carat, Natural, Australian Black Opal and 0.57 Carats of Diamond Accents set in Platinum.

An original pair of Art Nouveau 14K yellow gold diamond and opal chandelier earrings. Each earring is mounted with one natural Australian pear shaped opal suspended at the center, su...