René Lalique (1860-1945) was a renowned French crystal designer and jeweler, celebrated for his contributions to both the Modern Art and Art Deco movements.  His glass art and jewelry creations are considered legendary.  In general, high led content gives crystal unmatched clarity, weight, and brilliance.   Cut crystal scatters light in rainbow prisms, giving it a luxurious sparkle while finely detailed cuts create tactile beauty and optical drama.