White Gilson Opal measures 5mm. Round shape with a flat bottom.

White Gilson Opal Sphere measures 3mm. Sold per Sphere

Black Gilson Opal measures 5mm with round shape and flat bottomed

White Gilson Opal measures 5mm. Disc shape with a flat bottom, flat top and flat sides. These are cut as thin as possible, about 1mm thick.

Gilson Opal Trillion 4mm White. Sold by the piece.

Gilson Opal Trillion 4mm Black. Sold by the piece.

Gilson Opal Square 3mm White. Sold by the piece.

White Gilson Opal Sphere measures 4mm. Sold per Sphere

Black Gilson opal Sphere measures 3mm. Sold per sphere

Gilson Opal Rectangle 6x2mm Black. Sold by the piece.

White Gilson Opal measures 4mm with a round shape and a flat bottom. Priced per piece.

White 8X5mm PEAR cut Gilson Opal