Timeless design 18k white gold Aquamarine halo diamond ring Metal: 18k white gold Aquamarine: oval cut Aquamarine 9.20 mm x 11.20 mm; approximately 3.49 ct. t.w., gemstone horizontally-set Diamond: approximately 1.074 ct. t.w., VS/G,H color Rhodium: Yes; increase shine, luster and durability and help with scratch resistant. Ring cannot be resized All carat weights are approximate Almost all gemstones have been treated to enhance color and clarity and require special care. All Lo Spazio Jewelry has been custom designed and handcrafted in California, USA