Check the listing for details. 6 Prong Setting Pre Notched Round 9mm Semi Mount Ring Sterling Silver Non-Plated. Condition: New without tags, Made in China. Listed at 25.98 USD. *Metal:Sterling Silver *Metal Purity:925 *Surface Finish:Polishing Finish(Non-Plated) *Hallmarked/Stamped:S925 *Main Stone:No Main Stone *Main Stone Shape:Round *Main Stone Size For Stone Size(s): 9mm ★PRICE IS FOR ONE ★Settings are sold by the stone size that will fit into the setting, not the dimensions of the setting ★Available in 10kt/14kt/18kt White Gold/ Yellow Gold/Rose Gold On Request ★Pre Notched, Finished and Ready For Stone Setting ★Use properly proportioned faceted stones only. Any deviation from standardized stone sizes may require a different size setting than initially expected. If you are at all unsure what size setting your stone requires, please message us and our on-staff jeweler will help you choose the correct setting for your stone. SKU:JYFJ001030.