Generally opals with a black or dark body tone are more valuable than those with a white, light, or crystal body tone, because a stone with a darker body tone tends to display colours more vibrantly. Black opal is the most prized opal and may realise prices over AUD $15,000 a carat.
Opals are delicate but well worth the extra care. They have a great sensitivity to changes in temperature as well as a â€œcrazingâ€ tendency, which means they can .
See many different types of opal, understand their names, learn about synthetics. And, since pictures are worth a thousand words, we share our favorite opal .
Find out the value of your opal at Australian Opal Cutters. We have extensive experience in cutting & valuing opals for 35 years. Contact us now to find out.
Here we explain a little bit about the process of valuing opal. Both the brightness and body tone scales are displayed as explained fairly in detail.