... : AAA, AA+, AA, A,grade (from the top to the bottom);2. Size options: 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm ... , in loose beads, full drilled, half drilled, small or large holes, or according to your requirement;4. Pearl shape options: round pearls, rice ... , cheap shell pearls;6.OEM and ODM orders are welcomed. AAA round white freshwater pearl necklace