Managing optical characteristics of gemstones with diffractive structures

G Maltezos, ML De Naray - US Patent 11,185,138, 2021 - Google Patents
Methods, apparatus, and systems for managing optical characteristics of gemstones with
diffractive structures are provided. In one aspect, a method includes obtaining a three …

3D experience with virtual gemstones for online customer

JJ Grimaud - US Patent 10,354,437, 2019 - Google Patents
Current real-time rendering techniques of virtual representations of jewelry with gemstones
do not address the shimmer and sparkle of real gemstones. Embodiments of the present …