TenFit Jewelry Engagement Rings Round Cut in Sterling Silver Wedding Jewelry TenFit Jewelry is a US registered trademark and Tenfit is the only owner for this brand.we produce fashion styles and good quality jewelry always. Matrial:100% sterling silver with NSCD diamond diamond size:4.5mm, Ring size 5.5/6/6.5/7/7.5/8 Packing with gift box as a gift It is a great present for a birthday,Wedding, anniversary, valentine's day,Mother's Day, Christmas, New Year or another significant event.