Shop Ronni Simon Designs › Multi-Color Pearl Knotted Necklace Image 1 of 1 Multi-Color Pearl Knotted Necklace $275.00 46” Continuous strand of 8-12 mm freshwater pearls. It can be worn single or doubled. Add To Cart Added! 46” Continuous strand of 8-12 mm freshwater pearls. It can be worn single or doubled.