Caribbean Quartz is the one of the many new color changing stones that are very popular. It sizzles with sparkle and shine. Blues and purples blend harmoniously in a bright 7x9mm cushion cut stone that is set in a sterling silver pendant. Total length is 1 1/8". Offerings Jewelry. A division of Sajen located in Putney Vermont, is designed by Marianna and Richard Jacobs and is handcrafted in Bali by trained artisans.