Pentamillionaires Pick Best Brands in Luxury Jewelry; Graff, Asprey and Mikimoto Take Top Honors in Luxury Institute Survey, but Tiffany Proves Most Popular NEW YORK, NY--(Marketwire - May 23, 2012) - Ultra-wealthy U.S. shoppers with at least $200,000 per year in household income and minimum net worth of $5 million rank U.K.-based Graff Diamonds...

Mikimoto Re-Defines Pearl Industry Social Media Through Monumental Blogger Ambassador Program NEW YORK, NY--(Marketwire - Dec 21, 2011) - iNDELIBLE -- In 1916, Mikimoto pearls re-defined the pearl industry by patenting the technique for cultured pearls, which are the pre-dominant pearls...