9x7 Oval Cabochon Dreamy Aquamarine With 0.42ctw Round White Zircon Rhodium Over Sterling Silver Ring. 0.79"L x 0.35"W. Primary Stone Gemstone Color: Blue Gemstone Classification: Natural Gemstone CTW: 0.42 Gemstone Dimensions: 9.00mm L x 7.00mm W Gemstone Enhancement: Heated Gemstone Full Name: Aquamarine Material Composition: Natural Origin Country: Brazil Gemstone Shape: Oval Accent Stone(s) Gemstone Color: White Gemstone Classification: Natural Gemstone CTW: 0.42 Gemstone Dimensions: 1.00mm L x 1.00mm W Gemstone Enhancement: Heated Gemstone Full Name: Zircon Material Composition: Natural Origin Country: Tanzania Gemstone Shape: Round