INSPIRED DESIGN: A Perfect Blend of Art & Technology. Every style Simplex Diamond creates is the result of detailed research and contemplation. Simplex strives to seek those product categories that are the most popular and engineer only the most popular designs in that category. VALUE: Pursuing a centuries old belief that jewelry should retain value without sacrificing beauty. Jewelry is not only a luxury item but has been collected for generations as a store of value. Few other luxury items share this distinction.