Highline: Aurora Classic Luxury Ring Product Information OriginSouth Sea Pearl Jewelry Processed in Japan MaterialSouth Sea Pearl, 18k Gold, and Natural Diamonds DimensionsCustom Pearl Shaped: Round Size: 12-13 mm Quality: AAAA Nacre: Very Thick Color: White Luster: Aurora Accessories Metal: 5.7 g of 18k White Gold Other: 0.73 ct of SI Quality Natural Diamonds