Mikimoto Necklace Black Pearl And Diamond 18ct White Gold. PPL841BDW. In 1893, Kokichi Mikimoto succeeded in creating the worlds first cultured pearl and ever since, his love for these pure lustrous gems of the sea has been his motive behind the brand of Mikimoto. He is now world renowned as the primary producer of the finest quality cultured pearls and a world leader in sophisticated and feminine pieces of jewellery. For as long as the brand has been founded, elegant women worldwide have been entranced by these mysterious gems of the sea so it is not a surprise that the brand continues to remain popular today. The Mikimoto Black South Sea Collection boasts a large range of pieces all which feature Black South Sea Cultured pearls that are celebrated for their mysterious and remarkable overtones. Their generous size combines fluently with a spectrum of gleaming rich, dark colours, ranging from slate grey and silver to midnight black with overtones of green, pink and blue. This exquisite Mikimoto Black Pearl and Diamond 18 Carat White Gold necklace is a simple but stunning piece that features a black south sea cultured pearl set on a delicate white gold chain embellished by 0.4 carat diamonds. 18ct White Gold, 11mm Black South Sea pearl, 0.4ct Diamonds.