20.25 Carat Natural Australian Boulder Opal — Loose Gemstone


You are looking at a stunning natural Australian boulder opal weighing 20.25 carats with mesmerizing play-of-color that shifts and flashes under light.


• Weight: 20.25 carats

• Type: Boulder Opal

• Origin: Australia

• Dimensions: [25mm × 14mm × 7.5mm]

• Shape: pear

• Dominant Color: green, blue, red, brown