Some stones in 1.5mm and 2mm will look clear or very faint. Examples are: lavender, champagne, amber yellow, aquamarine, blue zircon, and tanzanite.
14g has a 2mm stone. 12g has a 2mm stone. 10g has a 3mm stone. 8g has a 4mm stone. 6g has a 4mm stone. 4g has a 6mm stone. 2g has a 6mm stone. 0g has a 6mm stone. 00g has a 9mm stone