This elegant brilliant round diamond is invisibly set in solid 18k yellow gold using Maria Tash's patented method, without prongs or belles covering the top of the stone. Includes a 6.5mm ball threaded back in matching yelllow gold. 18k solid gold frontal, 14k solid gold post, nickel free and hypoallergenic. Stone is a white diamond, 0.03ct VS2/G hearts and Arrows. Purchased in Feb (see photo of the receipt) and gently worn less than a dozen times. No flaws that I can see with the naked eye. MSRP $330+tax. Sold as a single.