宝石重量
According to the sizes
Name
PO 06 Round Cabochon Opalet For Jewelry Making
Other Name
Synthetic opal/ lab-created opal/ opal stone price
Bottom layer
Bello Opal ( Lab-grown synthetic opal )
Price reference
Lower than solid opal, opal doublet & opal triplet
Advantage
Reduce cost for big size design & faster lead time than solid opal
Disadvantage
Only can promise no yellowing problem within 5 years.