Ice, ice baby
"Glace Luxury Ice is a meticulously designed and differentiated ice brand specifically designed for use in premium drinks and cocktails. The Glace Mariko Sphere is a perfectly spherical 2.5" piece with a melting rate of 20-30 minutes. The Glace G-Cubed, a symmetrical 2.5" cube, has a dilution rate of 20-40 minutes. Glace Ice pieces are individually carved from a 300 lb. block to ensure flawless quality and a zero-taste profile, never contaminating the essence of premium liquors and drinks."
— An advertisement for "premium ice cubes" from the Dean & DeLuca gourmet shop. A package of 10 drink-sized cubes is $75.