Iolite
Iolite is easily recognized by its intense trichroism: colorless, light blue and sapphire-blue. Iolite can be found in India, Brazil, Burma, Norway, Finland, Sri Lanka and in the Malagasay Republic.
| ROUND AA | OVAL AA | OCTAGON AA | MARQUISE AA | PEAR AA | SQUARE AA |
| 2.00mm $2.00 | 5x3mm $2.50 | 5x3mm $5.75 | 4x2mm $2.00 | 5x3mm $3.00 | 3x3mm $3.50 |
| 2.50mm 2.50 | 6x4mm 4.50 | 6x4mm 7.00 | 5x2.5mm 3.00 | 6x4mm 5.00 | 4x4mm 6.00 |
| 3.00mm 3.00 | 7x5mm 5.50 | 7x5mm 12.00 | 6x3mm 4.00 | 7x5mm 9.00 | 5x5mm 10.00 |
| 3.50mm 4.00 | 8x6mm 15.50 | 8x6mm 20.00 | 8x4mm 7.00 | 8x5mm 12.00 | 6x6mm 18.00 |
| 4.00mm 4.50 | 9x7mm 32.00 | 9x7mm 30.00 | 10x5mm 11.25 | 9x6mm 20.00 | |
| 5.00mm 5.00 | 10x8mm 50.00 | 10x8mm 75.00 | 12x6mm 20.00 | 10x7mm 35.00 | |
| 6.00mm 10.00 | 11x9mm 65.00 | 11x9mm 95.00 | 12x8mm 60.00 | ||
| 7.00mm 21.00 | 12x10mm 95.00 | 12x10mm 150.00 | |||
| 8.00mm 35.00 | TRILLION AA | HEART AA | |||
| 5x5mm $5.00 | 4x4mm $4.00 | ||||
| 6x6mm 7.50 | 5x5mm 6.00 | ||||
| 7x7mm 15.00 | 6x6mm 9.00 | ||||
| 8x8mm 25.00 | |||||