1.02 carat Ecolor SI1clarity NILcut EXpolish EXsymmetry NONfluorescence diamond |Halo 4-prong Parallel 18K White Diamond Ring|Engagement Ring Setting - Ting Diamond | Hong Kong Diamond Jewelry‎ Stones(GIA Diamond Price、Engagement Rings、Proposal Rings、Wedding Rings)

1.02 carat Ecolor SI1clarity NILcut EXpolish EXsymmetry NONfluorescence diamond |Halo 4-prong Parallel 18K White Diamond Ring|Engagement Ring Setting

Diamond waist number is like a person ID card, used to confirm the diamond 4Cs, what exactly those levels.