Package:1 X Ring Metal: 10KT Black Gold Filled(Keep longer than Gold Plated)Main Gemstone : Multicolor Topaz Main Stone Carats: 5ct Stone :8mm*8mmStone Material: AAA Zircon+White OpalClarity: I.F-V.V.SRing Size(approx): 6/7/8/96=(16.51mm) ，7=(17.35mm)， 8=(18.19mm)，9=(18.89mm)Weight: about 18gOccasion: Anniversary， Wedding， Engagement， Gift， Party