Merrin - Pearl of the Sea in Cornish Grade A Freshwater Pearl Choker This collection celebrates the beauty and significance of freshwater pearls in all their glory. Each choker measures approximately 16 inches in length, making it the perfect piece to layer and stack with other favourites—especially when paired with Morvoren Treasure gold-plated charm necklaces. Crafted with care, these special chokers feature Grade A freshwater rice pearls, chosen for their natural lustre and elegant shape. Available in- Grade A freshwater pearl beads with a gold plated toggle clasp. Grade A freshwater pearl beads with a gold plated toggle clasp and grade A baroque freshwater pearl pendant. Grade A freshwater pearl beads with a gold plated toggle clasp and charms, including a grade A pearl pendant.