Complex sentence: The James Allen brand is operated as a subsidiary of R2Net (conceived as Rough Diamonds to Internet), which operates an e-commerce and supply chain platform that connects the diamond industry's ecosystem, including manufacturers, retailers and consumers.
Split into simpler sentences: The James Allen brand is a subsidiary of R2Net (conceived as Rough Diamonds to Internet), which operates an e-commerce and supply chain platform. This platform connects the diamond industry's ecosystem, including manufacturers, retailers and consumers.