Opal

Miller Gold & Co offers a curated selection of loose opals in South Africa. Explore distinctive gemstones selected for their colour, character and individual beauty.

Our Opal collection may include:

Loose opals • Boulder opals • Oval gemstones • Blue and green play-of-colour • Stones for bespoke jewellery

Each gemstone is inspected and verified before listing. Please refer to the individual product description for its weight, dimensions, characteristics, disclosed treatments and any accompanying identification certificate.

Choose an opal for your gemstone collection or contact us to explore a bespoke jewellery design. We deliver throughout South Africa. Get in touch if you are searching for a particular shape, size or colour.

Sort by

Boulder opal, 70.680 ct oval mixed cut, with blue and green play-of-colour Clearer GEMLAB certificate for Boulder Opal supplied certificate details preserved.
Boulder Opal 70.680ct Certified
R 11,500.00
R 11,500.00
Natural opal, 9.798 ct oval mixed cut, with orange and predominantly green play-of-colour Clear GEMLAB identification certificate for Natural Opal
Opal 9.79ct Certified
R 5,500.00
R 5,500.00