Explore opals by type

Black Opals

Boulder Opals

Pipe Opals

Crystal Opals

White Opals

Opal Jewelry

Explore opals by shape

Oval

Teardrop

Heart

Round

Square

Freeform

Add to Wishlist

10.8ct Cherry Blossom Dark Opal

AU$19,201

Opal Details:

Type: Natural, Solid, Untreated Dark Opal
Weight: 10.8ct
Dimensions: 23.6×14.6×4.9mm
Source: Lightning Ridge, NSW, Australia

Add to Wishlist

32.86ct Natural Boulder Opal – Blue Green Fire

AU$17,135

Opal Details:
Type: Natural, Solid, Untreated, Polished Boulder Opal

Origin: Winton, Australia

Dimensions: 45 × 17 × 5 mm (approx.)

Weight: 32.86ct (approx.)

Save 5% with International Bank Transfer

This Opal is eligible to purchase on a Payment Plan

Add to Wishlist

39.22ct Natural Boulder Opal – Blue Green Fire

AU$17,135

Natural Solid Untreated Australian Boulder Opal Polished Stone
Weight: 39.22 carats
Dimensions: 50.5x16x6 mm
Source: Winton, QLD, Australia
Size and weight are approximate

Save 5% with International Bank Transfer

This Opal is eligible to purchase on a Payment Plan

Add to Wishlist

13.18ct Natural Boulder Opal – Vivid Multicolor Fire

AU$16,897


Opal Details:


Type: 100% Natural Solid Boulder Opal, Untreated, Polished

Origin: Winton, Queensland, Australia

Dimensions: 28 × 11 × 4 mm (approx.)

Weight: 13.18ct (approx.)

Save 5% with International Bank Transfer

This Opal is eligible to purchase on a Payment Plan

Add to Wishlist

3.73ct Natural Black Opal – Vivid Rainbow Fire

Original price was: AU$27,649.Current price is: AU$16,897.

Opal Details:
Type: 100% Natural Solid Black Opal, Untreated, Polished
Origin: Lightning Ridge, NSW, Australia
Dimensions: 19 × 11 × 3.5 mm (approx.)
Weight: 3.73ct (approx.)

Save 5% with International Bank Transfer

This Opal is eligible to purchase on a Payment Plan

Add to Wishlist

28.62ct Natural Boulder Opal – Vivid Blue Green Fire

AU$15,909

Opal Details:

Type: Natural, Solid, Untreated, Polished Boulder Opal

Origin: Winton, Australia

Dimensions: 33 × 20 × 5 mm (approx.)

Weight: 28.62ct (approx.)

Save 5% with International Bank Transfer

This Opal is eligible to purchase on a Payment Plan

Add to Wishlist

1.56ct Natural Black Opal – Neon Green Gold Yellow

AU$14,378

Type: 100% Natural Solid Black Opal, Untreated, Polished
Origin: Lightning Ridge, NSW, Australia
Dimensions: 9.6 × 7.5 × 3.6 mm (approx.)
Weight: 1.56ct (approx.)

Save 5% with International Bank Transfer

This Opal is eligible to purchase on a Payment Plan

Add to Wishlist

36.28ct Top Gem Crystal Boulder Opal Heart

AU$13,932

Opal Details:

Natural Solid Untreated Australian Boulder Opal Polished Stone
Weight: 36.28 carats
Dimensions: 22x25x11 mm
Source: Winton, QLD, Australia
Size and weight are approximate

Add to Wishlist

Australian Multicolor Black Opal Platinum Ring 1.75 ct

AU$13,825

Opal Type: Natural Australian Black Opal
Opal Weight: 1.75 carats
Opal Colors: Fiery orange, yellow, green with deep play-of-color
Diamond Total Weight: 0.83 carats
Diamond Cut: Round brilliant & pear-cut
Diamond Clarity: VS-SI (high quality, excellent sparkle)
💍 Ring Details:
Metal: Solid Platinum (Pt850)
Total Ring Weight: 33.95 ctw
Ring Size: US #6 (Resizing may be available – please inquire)
Setting Style: Classic halo with floral-inspired design

Save 5% with International Bank Transfer

This Opal is eligible to purchase on a Payment Plan

Add to Wishlist

Purple Winton Crystal Boulder Opal for Pendant 31.95 ct

AU$13,825

Opal: Natural, Solid, Untreated, Polished
Source: Winton, QLD, Australia
Weight: 31.95 ct
Dimensions: 42x18x8 mm
Size and weight are approximate

Save 5% with International Bank Transfer

This Opal is eligible to purchase on a Payment Plan

Add to Wishlist

1.53ct Solid Black Opal Gold Flash Rainbow Teardrop

AU$13,671

Opal Details:

Type: Natural Solid Untreated Polished
Origin: Lightning Ridge Australia
Dimensions: 13.3×7.7×2.7mm (approx.)
Weight: 1.53ct (approx.)

Add to Wishlist

Natural Neon Green Dark Opal Platinum Ring 4.76 ct

AU$13,517

Opal Type: Natural, Solid, Untreated Dark Opal ( mSemi Black Opal)
Opal Weight: 4.76 ct (Stamped)
Opal Colors: Vivid green, orange and golden yellow fire
Diamond Weight: 0.153 ctw (8 round brilliant diamonds)
Metal: Pt900 Platinum (Stamped)
Total Ring Weight: 37.35 ctw (Approximate)
Ring Size: US 6 (Complimentary resizing available)
Setting Type: Four-prong setting with diamond accents
Shank Style: Elegant split tapered shank
Origin: Lightning Ridge, NSW, Australia

Save 5% with International Bank Transfer

This Opal is eligible to purchase on a Payment Plan

Add to Wishlist

Rolling Green Blue Black Opal Platinum Ring 3.3 ct

AU$13,517

Opal Type: Natural, Solid, Untreated Black Opal

Opal Weight: 3.3 ct (Stamped)

Origin: Lightning Ridge, NSW, Australia

Opal Dimensions: 14.4×8.7×3 mm (Approximate)

Diamond Weight: 0.61 ctw (Baguette & Round) (Stamped)

Metal: Pt900 Platinum (Stamped)

Total Ring Weight: 41.35 ctw (Approximate)

Ring Size: US 5 3/4 (Complimentary resizing available)

Save 5% with International Bank Transfer

This Opal is eligible to purchase on a Payment Plan

Add to Wishlist

Lightning Ridge Gem Dark Opal Platinum Ring 28.39 ct

AU$12,826

100% Natural Dark Opal (Semi Black Opal) From Lightning Ridge, Australia
Opal Dimensions: 9x8x3.5 mm
Opal Weight: 2.13 ct
Whole Ring Weight: 28.39 ct
Natural Genuine Diamond: 0.34 ct (Stamped) 
PT900 (Stamped) 
Current Ring Size: US6

Save 5% with International Bank Transfer

This Opal is eligible to purchase on a Payment Plan

Add to Wishlist

91.5ct Solid Boulder Opal Specimen – Wood Replacement

AU$11,828

Natural Solid Untreated Australian Boulder Opal Polished Specimen
Weight: 91.5 carats
Dimensions: 67x31x7 mm
Source: Winton, QLD, Australia
Size and weight are approximate
The face of this opal is undulated

Save 5% with International Bank Transfer

This Opal is eligible to purchase on a Payment Plan

Add to Wishlist

2.2ct Natural Black Opal – Bright Red and Multicolor Fire

AU$11,674

Opal Details:

Type: Natural, Solid, Untreated Black Opal
Origin: Lightning Ridge, Australia
Dimensions: 14.9×8.3x3mm (approx.)
Weight: 2.2ct (approx.)

Add to Wishlist

4.99ct Natural Black Opal – Oval Metallic Multicolor

AU$11,521


Opal Details:


Type: 100% Natural Solid Black Opal, Untreated, Polished

Origin: Lightning Ridge, NSW, Australia

Dimensions: 16.5 × 9 × 5 mm (approx.)

Weight: 4.99ct (approx.)

Add to Wishlist

Green Black Opal 1.39 ct set in 18K White Gold Ring

AU$10,753

💎 Gemstone Details:
Opal Type: Natural Australian Black Opal
Opal Weight: 1.39 carats
Opal Colors: Vivid blue-green with deep body tone
Diamond Total Weight: 0.52 carats
Diamond Cut: Round brilliant
Diamond Clarity: VS-SI (high-quality, excellent sparkle)

💍 Ring Details:
Metal: Solid 18K White Gold (K18WG)
Total Ring Weight: 30.9 ctw
Ring Size: US #5 (Resizing available – please inquire)
Setting Style: Elegant diamond halo with side diamond accents

Save 5% with International Bank Transfer

This Opal is eligible to purchase on a Payment Plan

Add to Wishlist

25.66ct Natural Boulder Opal Blue Green Fire

AU$10,697

100 % Natural Solid Boulder Opal Polished Stone
Weight: 25.66 ct
Dimensions: 31x20x5 mm
Source: Winton, QLD, Australia
Size and weight are approximate

Save 5% with International Bank Transfer

This Opal is eligible to purchase on a Payment Plan

Add to Wishlist

17.4ct Natural Boulder Opal Green Blue Fire

AU$10,545

Natural Solid Untreated Australian Boulder Opal Polished Stone
Weight: 17.4 carats
Dimensions: 20x17x6 mm
Source: Winton, QLD, Australia
Size and weight are approximate

Save 5% with International Bank Transfer

This Opal is eligible to purchase on a Payment Plan

Opal Shop

When it comes to the vibrant world of gemstones, opals stand in a class of their own. At Opal Galaxy, your ultimate Australian opal shop, you’ll find an unmatched selection of these colorful treasures. Our carefully curated collection offers you the opportunity to buy opal stones that are not just beautiful but authentically sourced, ensuring quality and uniqueness every single time. Read More