Boulder Opal, or opal on rock, is found nowhere else on Earth except in the state of Queensland, Australia. Formed during the Cretaceous period, 94 million years ago, in the inland fresh waters of the Eromanga Sea. Queensland opals are the most robust and stable opals in the World, with strength, durability and stability provided by the ironstone. Queensland opals are waterproof and stable - suitable for extended wear, requiring little or no special care. Mohs hardness 5.5 - 6
15mm x 8.2mm Boulder Opal N8 B3 - approximate weight 4.00ct
Purple, Green & Blue.
Handcrafted from solid 9ct yellow gold.
Finished weight 5.01gm
Ring size is O - free ring personalisation.
Designed by Multi-Award Winner Rita Williams. A unique, one-off. Never to be replicated.
Independently inspected and valued at $0000
Carefully handcrafted from ecologically sustainable 9ct yellow gold and sterling silver. We never use Earth-mined metal; instead, we source existing jewellery and recycle it into its pure form.
Solid 9ct gold and sterling silver are waterproof, allergy-free, bacteria-resistant, doesn’t fade, flake or rust and is odour-free.
100% Australian Made in Moffat Beach on Queensland's iconic Sunshine Coast, where our studio has been established for over half a century.
Crafted so well, it comes with a 25-year written guarantee with an unrivalled free aftercare plan as detailed https://www.sunstatejewellers.com.au/our-guarantee
Boulder Opal, or opal on rock, is found nowhere else on Earth except in the state of Queensland, Australia. Formed during the Cretaceous period, 94 million years ago, in the inland fresh waters of the Eromanga Sea. Queensland opals are the most robust and stable opals in the World, with strength, durability and stability provided by the ironstone. Queensland opals are waterproof and stable - suitable for extended wear, requiring little or no special care. Mohs hardness 5.5 - 6
15mm x 8.2mm Boulder Opal N8 B3 - approximate weight 4.00ct
Purple, Green & Blue.
Handcrafted from solid 9ct yellow gold.
Finished weight 5.01gm
Ring size is O - free ring personalisation.
Designed by Multi-Award Winner Rita Williams. A unique, one-off. Never to be replicated.
Independently inspected and valued at $0000
Carefully handcrafted from ecologically sustainable 9ct yellow gold and sterling silver. We never use Earth-mined metal; instead, we source existing jewellery and recycle it into its pure form.
Solid 9ct gold and sterling silver are waterproof, allergy-free, bacteria-resistant, doesn’t fade, flake or rust and is odour-free.
100% Australian Made in Moffat Beach on Queensland's iconic Sunshine Coast, where our studio has been established for over half a century.
Crafted so well, it comes with a 25-year written guarantee with an unrivalled free aftercare plan as detailed https://www.sunstatejewellers.com.au/our-guarantee