... own factory 5.Quality assurance Item NameNew product sterling silver blue topaz ring jewelryBrand nameluckyshineMaterialSilver (have 925 stamp on the item)Main stoneblue topazEarring ... :We specialise in main material of 925 sterling silver fashion jewelry.Such as,necklace,earring, promise ring ,,wedding ring, bracelet,pendant,ring, main gemstone contains,rose quartz ,green ...