84.4cts - “Big Blue King of the Gems” This is it! Solid Australian Queensland Boulder Pipe Crystal Opal jewellery green and blue colouration in

green and blue colouration in playful flag and pinfire patterns

Once purchased we will choose your bag at random

A magnificent Australian Boulder Opal from the Koroit nut formation

setting - bezel setting in genuine 14k white gold

Stone - Queensland Boulder Opal Doublet

84.4cts - “Big Blue King of the Gems” This is it! Solid Australian Queensland Boulder Pipe Crystal Opal jewellery green and blue colouration inExperience the ultimate in gemstones with this breathtaking, 84. 4ct Australian Queensland Boulder Pipe Crystal Opal, known as the "Big Blue King of the Gems". Mined in Opalton, Central Queensland, this rare and exquisite gem displays vivid green and blue hues in stunning flag patterns, suspended within pure transparent crystal opal. The high dome freeform cabochon cut and impeccable finishing polish make this a truly exceptional collector's item for