This is a very beautiful and delicate ring. The highest quality in world pearl jewelry. Product Information Origin Japan Material Akoya Pearl, 18k White Gold, and Natural Diamonds Dimensions Customize Pearl Shaped: Round Size: 4-5mm Quality: AAA Nacre: Very Thick Color: White Luster: Very High Accessories Metal: 18k White Gold Other: SI Quality Natural Diamonds We Also Recommend the Same Series of Jewelry: 4-5mm Baby Akoya Pearl Fashion Earring, 18k Gold w/ Diamond - AAAA 3-4.5mm Baby Akoya Pearl Pendant, 18k Gold w/ Diamond - AAAA