18kt white gold 16" Vintage Mikimoto pearl & ombre blue sapphire "Elements of Life" bar pendant on round omega necklace. Mikimoto pearls represent the pinnacle of luxury luxury pearl jewelry, celebrated globally for pioneering the creation of the world's very first cultured pearls in 1893. Founded by Kokichi Mikimoto, the brand is renowned for its uncompromising selection process, sourcing only from the top 1% of the annual Akoya pearl harvest.