Boulder Opal is a type of opal that is still connected to its host rock, which is usually an iron stone or fossilized sandstone.
The natural formation of opal creates subtle differences in appearance, ensuring each ring is as unique as its weater.

-18k yellow gold with Boulder opal 
-Carat total weight 0,08
-Boulder opal - approximately 9 mm x 6 mm

Hand made to order in Florence, available in any sizes. Please specify ring size at checkout.