This is a special lot of opals that is the result of a stone cutting and polishing demonstration, seen in the video below. You'll receive all 6 stones shown in the pictures. The smallest round orange stone has some pitting on the back, but is clean on the front. It is 1.78 carats and measures 9.5 x 8.75mm.
The largest stone is 19.08 carats and measures 15.3 x 19.3mm
The entire lot is 36.9 carats
These are all solid Mexican opals with no treatments.