Natural mined in the USA Kingman turquoise is prong set with 0.12ctw natural mined white diamonds in .925 solid sterling silver. Rhodium plated. Diamonds add a touch of sparkle to the robins egg blue turquoise. *Kingman Turquoise - Oval (5x3mm), round (3mm); mined in USA *White Diamond - Round; 0.12ctw; Color: H-I, Clarity: I2 Ring face is approximately 11mm by 15mm or just over 1/2”. Polished band tapers to 2mm. Measures at size 6 on mandrel. Stamped TH JCL 925 for solid 92.5% sterling silver. Made in Thailand. Last photo is brand/ stock photo, not actual piece