Home

Explore

View Cart

Deals

Saved

Suggested searches

Plant-based protein powders
Vegan leather handbags
Bedroom decor
Waterproof jackets
Hoodies

Learn more about how we use your data to personalize your experience and ads. Recommendations are for informational purposes only.

Opals by Steed

Products

Products

Opals by Steed

3.3ct Boulder Opal

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$353.00

Color

Black

Quantity

Product description loading

Product description loading

This is the product description text that will appear here.

Shopping designed around you.

Start selling

For brands

For creators

Build your store

Information

Shop Pay

Help center

Social

X (Twitter)

Instagram

Legal

Terms of Service

Privacy Policy

Your Privacy Choices

Powered by

|

Start selling for free

Language

© Shopify Inc. 2026

Quantity

1

Description

SKU: B20 Item Information
Dimensions (mm) 12.5 x 8 x 4mm Weight (carats) 3.3 carats Colours Green-Gold-Blue-Purple A beautiful boulder opal from Winton, Queensland.

This stone has clean, bright, 3D green/gold colour...

Delivery & Returns

Opals by Steed

5 (5)

You might also like

Opals by Steed

3.6ct Boulder Opal

Opals by Steed

2ct Coober Pedy Crystal Opal

Opals by Steed

2.7ct Andamooka Crystal Opal

Opals by Steed

5.2ct Coober Pedy Crystal Opal

Opals by Steed

3.9ct Coober Pedy Light Opal

This is a Dakota Stones 4mm Australian Boulder Opal Gemstone strand with round beads in 15-16 inch strand.

Dakota Stones

Australian Boulder Opal 4mm Round - 15-16 Inch

Opals by Steed

2.1ct Coober Pedy Crystal Opal

Zandysjewelrysupply

Boulder Opal Cabochons

(1)

3x5mm Oval Opal Cabochon - OP44 Multi-Grape Purple Green - Opal & Findings

Opal & Findings

3x5mm Oval Opal Cabochon - OP44 Multi-Grape Purple Green

29% off

Otto Frei

Closeout No Opalescence Australian 30mm x 20mm Oval Boulder Opal

Coffee + Gems

Peruvian Pink Opal Cabochon Smooth (20x15mm Oval) - Choose your Stone (W2)

Sten Bumlingen

Wollo opal 3 mm

Aurora Astral Opal™ Round Cabochon 8mm | The Opal Dealer

The Opal Dealer

Aurora Astral Opal™ Round Cabochon

(1)

Opals by Steed

3.7ct Boulder Opal

Opals by Steed

3.9ct Coober Pedy Crystal Opal

Opals by Steed

1.5ct Andamooka Crystal Opal

Opals by Steed

2ct Coober Pedy White Opal

Opals by Steed

5.7ct Coober Pedy White Opal

Opals by Steed

1.5ct Andamooka White Opal

Opals by Steed

1.6ct Lightning Ridge Black Crystal Opal

Zandysjewelrysupply

Blue Opal Cabochons

(2)

44% off

Opal & Findings

6mm Round Synthetic Opal Cabochon - OP32 Black Opal 2

Opals by Steed

3.2ct Lightning Ridge Black Opal

Pearl White Astral Opal™ Oval Cabochon | The Opal Dealer

The Opal Dealer

Pearl White Astral Opal™ Oval Cabochon

(1)

Zandysjewelrysupply

Common Green Opal Cabochons

18MM (1684) MEXICAN OPAL CABOCHONS

MrStones

18mm (1684) Mexican Opal Cabochon

Opals by Steed

5ct Boulder Opal

Opals by Steed

5.9ct Coober Pedy Crystal Opal

Opals by Steed

5.6ct Andamooka Crystal Opal

Opals by Steed

18.5ct Coober Pedy Parcel

Opals by Steed

4ct Coober Pedy White Opal

Opals by Steed

2.2ct Andamooka White Opal

Opals by Steed

8.3ct Opal Doublet

Ultra Violet Astral Opal™ Round Cabochon 8mm | The Opal Dealer

The Opal Dealer

Ultra Violet Astral Opal™ Round Cabochon

(1)

This is a Dakota Stones Australian Boulder Opal4mm Gemstone strand with faceted round beads in 15-16 inch strand.

Dakota Stones

Australian Boulder Opal 4mm Faceted Round - 15-16 Inch

Opals by Steed

8.9ct Coober Pedy Parcel

Opal & Findings

6mm Round Synthetic Opal Cabochon - OP05 Blue Pacific

Round Genuine Opal Cabochon - Otto Frei

Otto Frei

Round Genuine Opal Cabochon

3mm Round Opal Cabochon - OP85 Unicorn Blue - Opal & Findings

27% off

Opal & Findings

3mm Round Opal Cabochon - OP85 Unicorn Blue

Opals by Steed

29.4ct Boulder Opal

Opals by Steed

3.9ct Coober Pedy White Opal

Opals by Steed

6ct Lightning Ridge Black Opal

Opals by Steed

14ct Coober Pedy Parcel

Opals by Steed

22.2ct Coober Pedy Parcel

Opals by Steed

24.6ct Andamooka Crystal Opal

Opals by Steed

11.1ct Andamooka Crystal Opal

Opal & Findings

6mm Round Synthetic Opal Cabochon - OP21 Green Olive

29% off

Otto Frei

Closeout Assorted Bag of 3 Australian Boulder Opals

Opals by Steed

28.2ct Coober Pedy Light Opal

Zandysjewelrysupply

Dendritic Opal Cabochons

(1)

3mm Round Opal Cabochon - OP38 Multi-Lavender Purple - Opal & Findings

27% off

Opal & Findings

3mm Round Opal Cabochon - OP38 Multi-Lavender Purple

Opals by Steed

9ct Boulder Opal

Opals by Steed

3.8ct Boulder Opal

Opals by Steed

6.7ct Coober Pedy Double Sided White Opal

Opals by Steed

4ct Coober Pedy White Opal

Opals by Steed

3.7ct Coober Pedy White Opal

Opals by Steed

12.3ct Coober Pedy Parcel

4mm Round Opal Cabochon - OP77 Royal Blue Grey - Opal & Findings

Opal & Findings

4mm Round Opal Cabochon - OP77 Royal Blue Grey

3x5mm Oval Opal Cabochon - OP85 Unicorn Blue Pink - Opal & Findings

Opal & Findings

3x5mm Oval Opal Cabochon - OP85 Unicorn Blue Pink

29% off

Otto Frei

Closeout No Opalescence Australian 10mm x 8mm Oval Boulder Opal

Opals by Steed

7.5ct Coober Pedy Crystal Opal

4mm Round Opal Cabochon - OP86 Magic Lake Blue Pink - Opal & Findings

Opal & Findings

4mm Round Opal Cabochon - OP86 Magic Lake Blue Pink

Turquoise Astral Opal™ Round Cabochon 8mm | The Opal Dealer

The Opal Dealer

Turquoise Astral Opal™ Round Cabochon

Opals by Steed

5.8ct Boulder Opal

Opals by Steed

6.3ct Coober Pedy Light Opal

Opals by Steed

11.8ct Coober Pedy Crystal Opal

Opals by Steed

4.9ct Coober Pedy Crystal Opal

29% off

Otto Frei

Closeout Higher Opalescence Australian 30mm x 20mm Oval Boulder Opal

Opals by Steed

3.1ct Opal Doublet

gems2cre8

Green Opal oval 10x14mm cabochon - Calibrated cabochons

4mm Round Opal Cabochon - OP33 Black Opal #3 Purple Blue - Opal & Findings

Opal & Findings

4mm Round Opal Cabochon - OP33 Black Opal #3 Purple Blue

Kernowcraft Rocks & Gems

Dendrite Opal Cabochons

Opals by Steed

6.8ct Coober Pedy White Opal

gems2cre8

Faceted Peruvian Opal oval, pear 10-17mm long cabochon

3mm Round Opal Cabochon - OP77 Royal Blue Grey - Opal & Findings

27% off

Opal & Findings

3mm Round Opal Cabochon - OP77 Royal Blue Grey